Repair and Diagnosis (Single Page)
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Quick Lookups
Common Specs & Procedures
Electrical Component Locations
Technical Bulletins
Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wiring Diagrams
- Wiring Diagrams - Automatic Headlights
- Wiring Diagrams - Automatic Speed Controls
- Wiring Diagrams - Electric Sun Roofs
- Wiring Diagrams - Electric Window Controls
- Wiring Diagrams - Electric Windshield Wipers
- Wiring Diagrams - Electronic Brake Systems
- Wiring Diagrams - Heated Window Defoggers
- Wiring Diagrams - Power Door Locks
- Wiring Diagrams - Power Seat Controls
- Wiring Diagrams - Printed Circuit
- Wiring Diagrams - Seat Belt Warning Buzzers
- Wiring Diagrams - Turn Signal & Hazard Flashers
- Accessories & Equipment
- Anti-Theft Systems
- Cruise Control Systems
- Cruise Control
- Description
- Trouble Shooting & Diagnosis
- Will Not Engage - System Inoperative
- Does Not Cruise At Engagement Speed
- System Hunts, Pulses Or Surges
- System Does Not Disengage With Brake Pedal
- System Accelerates Or Applies Full Throttle When Engaged
- Cannot Adjust Speed Downward With Engage Button
- System Can Be Engaged At Idle By Depressing Switch, But Drops Out When Switch Is Released
- System Operates Correctly, But Vacuum Bleeds Off When System Disengaged
- Does Not Engage Or Engages At Speeds Lower Than 30 Mph
- Testing
- Adjustments
- Wiring Diagrams - Automatic Speed Controls
- Cruise Control
- Exterior Lights
- Gauges & Instrument Panels
- Wiring Diagrams - Automatic Headlights
- Heated Glass/Defoggers
- Horns
- Ignition Switch/Steering Lock
- Seats
- Steering Column Switches
- Warning Systems
- Window Motors & Regulators
- Power Windows
- Model Identification
- Description
- Trouble Shooting
- Testing
- Removal & Installation
- Regulator & Motor (Corvette)
- Regulator Motor (Exc. "A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor ("A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor (All Models) Glass Broken Or Not Attached To Regulator
- Front Door Window Regulator
- Rear Door Window Regulator
- Rear Quarter Window Regulator
- Power Windows - Tailgate
- Special Wiring Notes - General Motors
- Wiring Diagrams - Electric Window Controls
- Power Windows
- Wiper/Washer Systems
- Windshield Wipers - Modified Pulse System
- Description
- Operation
- Wiper System Testing
- Wiper Motor Inoperative In All Switch Positions
- Wiper Inoperative In Delay Mode But Operates Correctly In "Lo", "Med", Or "Hi"
- Wiper Will Not Delay Between Wipes Dash Switch In Delay Mode
- Wiper Will Not Go "Off" And Blades Operate Normally
- Wiper Will Not Go "Off" And Washer Pumps Continually
- Wiper Will Not Go "Off" And Blades Move In And Out Of Park Position
- Wiper Has "Hi" Speed Only
- Wiper Has "Lo" Speed Only
- Intermittent Wiper Operation Or Blades Stop At Random
- Washer System Testing
- Removal & Installation
- Windshield Wipers - Round Motor
- Windshield Wipers - Square Motor
- Wiring Diagrams - Electric Windshield Wipers
- Windshield Wipers - Modified Pulse System
- Body & Frame
- Door Locks
- Ignition Switch/Steering Lock
- Seats
- Sun Roof/T-Top/Convertible Top
- Windows
- Power Windows
- Model Identification
- Description
- Trouble Shooting
- Testing
- Removal & Installation
- Regulator & Motor (Corvette)
- Regulator Motor (Exc. "A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor ("A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor (All Models) Glass Broken Or Not Attached To Regulator
- Front Door Window Regulator
- Rear Door Window Regulator
- Rear Quarter Window Regulator
- Power Windows - Tailgate
- Special Wiring Notes - General Motors
- Wiring Diagrams - Electric Window Controls
- Power Windows
- Brakes
- Anti-Lock Brakes
- Brakes Control Systems
- Mechanical - Hydraulic
- BENDIX/DELCO-Moraine Dual Piston Master Cylinder
- Brake Systems - DELCO-Moraine Single Piston Disc - Front
- Brake Systems - Pin & Slot Automatic Adjuster
- Brake Systems - Single Piston Disc
- Hydraulic Brake Bleeding
- Hydraulic System Control Valves
- Power Brake Units - BENDIX Single Diaphragm
- Power Brake Units - BENDIX Tandem Diaphragm
- Power Brake Units - DELCO-Moraine Single Diaphragm
- Power Brake Units - DELCO-Moraine Tandem Diaphragm
- Traction Control
- Drivelines & Axles
- Differentials & Drive Axles
- Drive Axle Gear Tooth Patterns
- Drive Axles
- G.M. Limited Slip Differential (Clutch Pack Type)
- G.M. Limited Slip Differential (Cone Brake Type)
- Driveshaft & Universal Joints
- Wheel Hubs
- Differentials & Drive Axles
- Electrical
- Body Electrical
- Cruise Control
- Description
- Trouble Shooting & Diagnosis
- Will Not Engage - System Inoperative
- Does Not Cruise At Engagement Speed
- System Hunts, Pulses Or Surges
- System Does Not Disengage With Brake Pedal
- System Accelerates Or Applies Full Throttle When Engaged
- Cannot Adjust Speed Downward With Engage Button
- System Can Be Engaged At Idle By Depressing Switch, But Drops Out When Switch Is Released
- System Operates Correctly, But Vacuum Bleeds Off When System Disengaged
- Does Not Engage Or Engages At Speeds Lower Than 30 Mph
- Testing
- Adjustments
- Electric Seat Back Latches
- Electric Sunroof & Moonroof
- Heated Rear Window
- Key Warning Buzzer
- Power Door Locks - General Motors
- Power Seats
- Power Windows
- Model Identification
- Description
- Trouble Shooting
- Testing
- Removal & Installation
- Regulator & Motor (Corvette)
- Regulator Motor (Exc. "A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor ("A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor (All Models) Glass Broken Or Not Attached To Regulator
- Front Door Window Regulator
- Rear Door Window Regulator
- Rear Quarter Window Regulator
- Power Windows - Tailgate
- Rear Window Defogger Fan
- Seat Belt Warning Systems
- Switches, Gauges & Speedometers
- Turn Signal & Hazard Flasher Systems
- Windshield Wipers - Modified Pulse System
- Description
- Operation
- Wiper System Testing
- Wiper Motor Inoperative In All Switch Positions
- Wiper Inoperative In Delay Mode But Operates Correctly In "Lo", "Med", Or "Hi"
- Wiper Will Not Delay Between Wipes Dash Switch In Delay Mode
- Wiper Will Not Go "Off" And Blades Operate Normally
- Wiper Will Not Go "Off" And Washer Pumps Continually
- Wiper Will Not Go "Off" And Blades Move In And Out Of Park Position
- Wiper Has "Hi" Speed Only
- Wiper Has "Lo" Speed Only
- Intermittent Wiper Operation Or Blades Stop At Random
- Washer System Testing
- Removal & Installation
- Windshield Wipers - Round Motor
- Windshield Wipers - Square Motor
- Cruise Control
- Charging Systems
- Component Locations
- Fuses & Circuit Breakers
- Gauges
- Horns
- Motors, Switches, Relays
- Cruise Control
- Description
- Trouble Shooting & Diagnosis
- Will Not Engage - System Inoperative
- Does Not Cruise At Engagement Speed
- System Hunts, Pulses Or Surges
- System Does Not Disengage With Brake Pedal
- System Accelerates Or Applies Full Throttle When Engaged
- Cannot Adjust Speed Downward With Engage Button
- System Can Be Engaged At Idle By Depressing Switch, But Drops Out When Switch Is Released
- System Operates Correctly, But Vacuum Bleeds Off When System Disengaged
- Does Not Engage Or Engages At Speeds Lower Than 30 Mph
- Testing
- Adjustments
- Electric Seat Back Latches
- Electric Sunroof & Moonroof
- Heated Rear Window
- Key Warning Buzzer
- Power Door Locks - General Motors
- Power Seats
- Power Windows
- Model Identification
- Description
- Trouble Shooting
- Testing
- Removal & Installation
- Regulator & Motor (Corvette)
- Regulator Motor (Exc. "A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor ("A" Body Front Doors) Glass Intact & Attached To Regulator
- Regulator Motor (All Models) Glass Broken Or Not Attached To Regulator
- Front Door Window Regulator
- Rear Door Window Regulator
- Rear Quarter Window Regulator
- Power Windows - Tailgate
- Rear Window Defogger Fan
- Seat Belt Warning Systems
- Switches, Gauges & Speedometers
- Turn Signal & Hazard Flasher Systems
- Windshield Wipers - Modified Pulse System
- Description
- Operation
- Wiper System Testing
- Wiper Motor Inoperative In All Switch Positions
- Wiper Inoperative In Delay Mode But Operates Correctly In "Lo", "Med", Or "Hi"
- Wiper Will Not Delay Between Wipes Dash Switch In Delay Mode
- Wiper Will Not Go "Off" And Blades Operate Normally
- Wiper Will Not Go "Off" And Washer Pumps Continually
- Wiper Will Not Go "Off" And Blades Move In And Out Of Park Position
- Wiper Has "Hi" Speed Only
- Wiper Has "Lo" Speed Only
- Intermittent Wiper Operation Or Blades Stop At Random
- Washer System Testing
- Removal & Installation
- Windshield Wipers - Round Motor
- Windshield Wipers - Square Motor
- Cruise Control
- Starters - DELCO-REMY Enclosed Housing
- Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wiring Diagrams
- Wiring Diagrams - Automatic Headlights
- Wiring Diagrams - Automatic Speed Controls
- Wiring Diagrams - Electric Sun Roofs
- Wiring Diagrams - Electric Window Controls
- Wiring Diagrams - Electric Windshield Wipers
- Wiring Diagrams - Electronic Brake Systems
- Wiring Diagrams - Heated Window Defoggers
- Wiring Diagrams - Power Door Locks
- Wiring Diagrams - Power Seat Controls
- Wiring Diagrams - Printed Circuit
- Wiring Diagrams - Seat Belt Warning Buzzers
- Wiring Diagrams - Turn Signal & Hazard Flashers
- Body Electrical
- Engine Mechanical
- Auxiliary Emission Control Systems
- Air Injection -- Exc. Ford W/Cat. Converter
- Catalytic Converters
- Controlled Combustion System
- EGR System
- Evaporative Emissions System
- Fuel Tank Vapor Control
- Description & Operation
- Maintenance
- Chrysler Corp. Evaporation Control System
- Ford Motor Co. Fuel Vapor Emission Control
- Description
- Operation
- Fill Control/Vent System
- Vapor Vent System
- Carbon Canister
- Carburetor Venting
- Purge Control Valve (1978-79)
- Fuel Bowl Solenoid Vent Valve (1978-79)
- Fuel Bowl Thermal Vent Valve
- THERMACTOR Idle Vacuum (TIV) Valve
- Purge Regulator Valve
- Pressure & Vacuum Relief System
- Fuel Vapor Return System
- Air Cleaner Assembly
- Maintenance
- General Motors Evaporative Control System
- Positive Crankcase Ventilation System (PCV)
- Thermostatic Air Cleaners - All Manufacturers
- Variable Speed Cooling Fans
- Cooling System (Mechanical)
- Fuel System
- Mechanical
- 1400 Cc & 1600 Cc 4 CYL.
- 1400 Cc & 1600 Cc 4 CYL.
- Notes
- Engine Identification
- Engine Removal
- Cylinder Head
- Valve Arrangement
- Valve Guide Servicing
- Valve Stem Oil Seals
- Valve Springs
- Valve Spring Installed Height
- Valve Stem Installed Height
- Hydraulic Valve Lash Adjusters
- Oil Pan
- Piston & Rod Assembly
- Fitting Pistons
- Piston Pins
- Main & Connecting Rod Bearings
- Thrust Bearing Alignment
- Rear Main Bearing Oil Seal
- Engine Front Cover
- Front Cover Oil Seal
- Timing Belt Replacement
- Camshaft
- Camshaft Bearings
- Cam Lobe Lift
- Engine Oiling System
- Oil Pump
- Torque Specifications
- 1400 Cc & 1600 Cc 4 CYL.
- Engine Identification
- Engine Removal
- Oil Pan Removal
- 1400 Cc & 1600 Cc 4 CYL.
- Starters - DELCO-REMY Enclosed Housing
- Timing Belt Replacement - 1.4L & 1.6L
- Auxiliary Emission Control Systems
- Engine Performance
- Emissions
- EGR Function Testing - General Motors Cars
- Emission Applications - 1966-83 - Except Diesel
- Emission Control Abbreviations
- State Emission Standards - Diesel
- State Emission Standards - Gas
- ALASKA
- ARIZONA
- CALIFORNIA
- Colorado
- CONNECTICUT
- DELAWARE
- District Of COLUMBIA
- GEORGIA
- IDAHO
- ILLINOIS
- INDIANA
- KENTUCKY
- MARYLAND
- MASSACHUSETTS
- MISSOURI
- NEVADA
- New Jersey
- New MEXICO
- New YORK
- North CAROLINA
- OHIO
- OREGON
- PENNSYLVANIA
- RHODE Island
- TENNESSEE
- TEXAS
- UTAH
- VIRGINIA
- WASHINGTON
- WISCONSIN
- U. S. EPA ASM2525 & ASM5015 Start-Up Emission Standards
- U. S. EPA Revised Final ASM Emission Standards (ASM5015 & ASM2525)
- U.S. EPA Im240 Emission Standards
- Fuel Delivery
- Ignition System
- Tune-Up
- DELCO-REMY High Energy Ignition
- Distributor Applications
- Distributor Specifications
- Emission Control Application
- Tune-Up Procedures - 4-Cylinder
- Engine Identification
- Tune-Up Notes
- Engine Compression
- Valve Clearance
- Valve Arrangement
- Spark Plugs
- High Tension Wire Resistance
- Distributor
- Ignition Timing
- Hot (Slow) Idle Rpm
- Idle Mixture
- Mixture Screw Plug Removal
- Tachometer (Lean Drop) Procedure
- Propane Enrichment Procedure
- Fuel Metering Feedback (Idle Needle) Diaphragm
- Cold (Fast) Idle Rpm
- Automatic Choke
- Ignition
- Carburetion
- Notes
- Other Data & Specifications
- Engine Identification
- Tune-Up Notes
- Engine Compression
- Valve Clearance
- Valve Arrangement
- Spark Plugs
- High Tension Wire Resistance
- Distributor
- Ignition Timing
- 1978-79 Models
- Hot (Slow) Idle Rpm
- Idle Mixture
- Tachometer (Lean Drop) Procedure
- Cold (Fast) Idle Rpm
- Automatic Choke
- Fuel Pump
- Ignition
- Fuel System
- Tune-Up Specifications
- Vacuum Diagrams
- Wiring Diagrams
- Emissions
- General Information
- Abbreviations
- Basic Trouble Shooting
- Air Conditioning Servicing
- Basic Trouble Shooting - General Information
- Commonly Used Abbreviations - General Information
- Emission Control Abbreviations
- Engine Performance - Trouble Shooting - General Information
- Brakes
- Anti-Lock Brake Safety Precautions - General Information
- Map - Brake Systems
- Brake Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Accelerometers
- Accumulators
- Anchor Pins
- Anti-Lock Brake Control Assembly(Module)
- Anti-Lock Brake Controller
- Anti-Lock Brake Systems
- Axle Seal
- Backing Plates
- Bleeder Screw
- Brake Abs Active Light (Blue)
- Brake Fluid
- Brake Friction Material
- Brake On - Off Switch
- Brake Pads
- Brake Pedals
- Brake Shoe Hardware
- Brake Shoes
- Brake Stoplight Switches
- Brake Warning Light (Amber)
- Brake Warning Light (Red)
- Bulb Sockets
- Bulbs And LEDS
- Caliper Hardware
- Caliper Mounting Pin
- Caliper Piston
- Caliper Shim
- Caliper Slider Pin (Bolt) Dust Boot
- Caliper Slider Pin (Bolt)
- Calipers
- Combination Valve
- Controllers
- Digital Ratio Axle Controllers And Buffers (Drab And Dram)
- Disable Switches
- Drums
- Electrical Brake Pumps
- Electrical Park Motor
- Electrical Pumps And Motors
- Electro-Magnetic Interference
- Electronic Brake Control Modulator
- Electronic Brake Distribution
- Electronic Brake Traction Control Module
- Electronic Controllers
- Electronic Traction Control
- External Brake Cable
- Flow Control Valve
- Fluid Level Sensor Switches
- Fluid
- Four Wheel Drive Switches
- Friction Material
- G Sensors
- Gaskets
- Gravitational Switches
- Grease Seal
- Height Sensing Proportioning Valve
- High Pressure Accumulator
- Hoses
- Hub
- Hydraulic Control Unit
- Hydraulic Modulators
- Hydro-Boosters
- Hydro-Electric Boosters (POWERMASTER)
- Ignition Disable Switches
- Lamp Driver Relay
- Lateral Acceleration Switches
- LEDS
- Lenses
- Low Pressure Accumulator
- Lug Nut
- Master Cylinder Cover Gasket
- Master Cylinders
- Modulators
- Motor Pack
- Motors
- Pads
- Parking Brake Cable
- Parking Brake Mechanism
- Parking Brake Shoes
- Parking Brake Switches
- Parking Brake Systems
- Pedal Travel Switches
- Pedals
- Power Distribution Center
- POWERMASTER
- Pressure Differential Switches
- Pressure Switches
- Pressure Transducers
- Proportioning Valve
- Pumps
- Relays
- RELUCTOR (Speed) Ring
- Rotors
- Self-Adjusting Systems
- Shoe Hardware
- Shoes
- Sockets
- Speed Sensor (RELUCTOR) Ring
- Speed Sensors (Electronic Wheel And Vehicle)
- Star Wheel
- Steel Brake Lines
- Stoplight Switches
- Stroke Sensor
- Switches
- Tires
- Tone Ring
- Toothed Rings (Tone Wheel)
- Traction Control System (TCS)
- Transfer Tubes
- Vacuum Boosters
- Vacuum Hoses
- Valves
- Wear Indicator
- Wheel Attachment Hardware
- Wheel Bearings, Races And Seals
- Wheel Cylinders
- Wiring Harnesses
- Yaw Rate Sensor
- Brake System CHECKSHEET
- Reason Code Explanation
- Automotive Terminology & Definitions
- Brake Systems
- Map - Routine Inspection Reference Guide
- Routine Inspection Reference Guide
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Maintenance Overview
- Antifreeze/Coolant
- Visual Inspection
- Radiator Cap Test
- Engine Fan
- Cooling System Power Flush And Refill
- Belts (Except Timing Belts)
- Belt TENSIONER
- Automatic Transmission Fluid
- Automatic Transmission Fluid Exchange & Filter Replacement
- Engine Oil
- Air Filters
- Cabin Air Filter
- Brake Fluid
- Battery
- Battery Cables
- Power Steering
- Power Steering Fluid
- Wiper Blades
- Routine Inspection CHECKSHEET
- Routine Inspection - UICS
- Brake Systems
- Drivetrain And Transmission
- Notes
- Automatic Transmission Fluid
- Clutch Master Cylinders
- Cooler Lines
- Coolers
- Differential Fluid
- Drain Plugs And Gaskets
- Filters And Screens
- Fluids And Lubricants
- Hoses, Lines, And Tubes
- Hydraulic Fluid
- Lubricants
- Manual Transmission Fluid
- Mounts (Engine, Transaxle And Transmission)
- Transfer Case Fluid
- Vacuum Hoses
- Electrical Systems
- Engine Performance And Maintenance
- Notes
- Accessory Belts
- Air Filter Elements
- Air Filter Gaskets
- Air Filter Housings And Gaskets
- Air Pump Belts
- Batteries
- Battery Connectors
- Belt Idler Assemblies (Accessory And Cam Belts)
- Belt TENSIONERS (Accessory And Cam Belt)
- Chemical Engine DECARBONIZATION
- Combustion Chamber Cleaning
- Coolant Recovery Tanks
- Coolant
- Distributor Caps
- Distributor Rotors
- Engine Cooling Systems
- Engine DECARBONIZATION
- Engine Oil Drain Plugs And Gaskets
- Engine Oil Filters And Canisters
- Engine Oil
- Fuel Filters
- Fuel Injector Cleaning
- Fuel Injectors
- Fuel System Cleaning Service
- Hose Clamps
- Hose Connectors
- Hose Couplers
- Hoses And Tubes (Fuel Lines, Radiator, Vacuum, By-Pass, Heater, Recovery Tank And Oil Coolers)
- Ignition Wires (Secondary)
- Intake Cleaning
- O2 Sensors
- PCV Breather Elements
- PCV Valves
- Radiator Caps And Pressurized Expansion Tank Caps
- Spark Plugs
- Thermostats And Housings
- Throttle Body Cleaning
- Timing Belts
- Vacuum Hoses, Tubes And Connections (Non-Metallic)
- Exhaust Systems
- Heating, Ventilation And Air Conditioning Systems
- Steering And Suspension, Wheel Alignment, Wheels And Tires
- Wheel & Tire Supplement
- Reason Code Explanation
- Automotive Terminology & Definitions
- Routine Inspection Reference Guide
- Check Lists
- Driveline/Axles
- Drive Axle Noise Diagnosis - General Information
- Gear Tooth Contact Patterns - General Information
- Map - Drive Train & Transmission
- Drive Train & Transmission Systems
- Drivetrain And Transmission
- Notes
- Actuators (Electrical)
- Actuators (Vacuum)
- Automatic Transmission / Transaxle Assemblies/CVTS
- Automatic Transmission Fluid
- Axles
- Bearings And Races
- Bell Cranks
- Bell Housings
- Bushings (External)
- Cables (Speedometer)
- Cables (TV, Detent And Shift)
- Carrier Bearings
- Clutch Cables And Cable Housings
- Clutch Discs (Manual Transmissions)
- Clutch Forks
- Clutch Linkages (Mechanical)
- Clutch Master Cylinders
- Clutch Pedals
- Clutch Pivots
- Clutch Pressure Plates
- Clutch Release Bearings
- Clutch Slave Cylinders (Concentric)
- Clutch Slave Cylinders (Conventional Or External)
- Companion Flanges
- Connectors
- Cooler Bypass Valves
- Cooler Lines
- Coolers
- CV Joints
- Differential And Final Drive Assemblies
- Differential Fluid
- Dip Stick Tubes
- Dip Sticks (Fluid Level Indicators)
- Dowel Pins, Guides And Pilot Holes
- Drain Plugs And Gaskets
- Drive Shaft Flanges
- Drive Shafts And Half Shafts
- Dust Boots
- Engine Mounts
- Exciter Rings
- Filler Tubes
- Filters And Screens
- Flanges
- Flex Plates
- Fluid Level Indicators
- Fluids And Lubricants
- Flywheels
- Force Motors
- Gaskets
- Guides
- Half Shafts
- Hoses, Lines, And Tubes
- Housings (Bell, Case, Tail(Extension) And Auxiliary)
- Hydraulic Fluid
- Intermediate Shaft Support Bearings
- Key Interlock Systems
- Limited Slips
- Lines
- Linkages (External)
- Locking Hub Assemblies
- Locking Hub Control Knobs
- Lubricants
- Manual Transmission Fluid
- Manual Transmission/Transaxle Assemblies
- Metal Clad Seals
- METALASTIC Joints
- Modulator Pins
- Modulators
- Mounts (Engine, Transaxle And Transmission)
- Odometer Drives (Mechanical)
- Odometer Heads (Mechanical)
- Oil Pans
- Pans
- Pilot Holes
- Pressure Plates
- Pressure Switches
- Races
- Rubber Joints (METALASTIC)
- Screens
- Seals (Metal Clad)
- Seals
- Selector Interlock Systems
- Sensors
- Servos
- Shift Interlock Systems (Selector And Key Interlock Systems)
- Side Covers
- Slip Yokes
- Solenoids
- Speed Sensors (Electronic Wheel And Vehicle)
- Speedometer- Driven Gear Housing
- Speedometer/Odometer Drives (Mechanical)
- Speedometer/Odometer Heads (Mechanical)
- Speedometers/Odometers (Electronic)
- Switches
- Tone Wheels
- Toothed Rings (Tone Wheel)
- Torque Converters
- Transaxle Mounts
- Transducers (Transmission)
- Transfer Case Assemblies
- Transfer Case Fluid
- Transmission Coolers
- Transmission Mounts
- Transmission Pans
- Transmission Range Indicators (PRNDL)
- Tubes
- Universal Joints (CARDAN Or Cross Type)
- Vacuum Controls
- Vacuum Hoses
- Vacuum Motors
- Vacuum-Operated Switches
- Vehicle Speed Sensors
- Vents
- Vibration Dampers
- Wheel Attachment Hardware
- Wheel Speed Sensors
- Wiring Harnesses And Connectors
- Yokes And Slip Yokes
- Reason Code Explanation
- Automotive Terminology & Definitions
- Trouble Shooting - Clutches - General Information
- Electrical
- Map - Electrical Systems
- Electrical Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Actuator Motors (Electric)
- Actuator Motors (Vacuum)
- Air Bags
- Alternators And Generators
- Amplifiers
- Antennas
- Batteries
- Battery Cables, Wires And Connectors
- Battery Cables
- Battery Trays And Hold Down Hardware
- Battery Wires
- Belts
- Bulb Sockets
- Bulbs, Sealed Beams And LEDS
- Cd Players
- Cigarette Lighter Assemblies
- Circuit Breakers
- Clutch Switches
- Connectors
- Control Modules
- Cruise Control Brake Switches
- Cruise Control Cables
- Cruise Control Clutch Switches
- Cruise Control Linkages And Cables
- Cruise Control Reservoirs
- Cruise Control Tubes
- Cruise Control Vacuum Dump Release Valves
- Cruise Control Vacuum Hoses, Tubes And
- Cruise Control Vehicle Speed Sensors
- Defoggers
- Defrosters
- Delays
- Dimmers
- Electric Heaters
- Equalizers
- Fuse Blocks
- Fuse Boxes And Blocks
- Fuses, Fusible Links And Circuit Breakers
- Fusible Links
- Gauges
- Generators
- Ground Cables And Straps
- Ground Straps
- Headlight Adjusters
- Heating Elements (Defrosters, Defoggers, Electric Heaters And Seats)
- Horns And Sirens
- Ignition Switches
- Indicator Lights
- Keyless Entry Keypads And Transmitters
- Keyless Entry Transmitters
- LEDS
- Lenses
- Microphones
- Mirrors (ELECTROCHROMATIC And Heated)
- Motors
- Neutral Safety Switches
- Odometers, Speedometers And Tachometers (Cable Driven)
- Odometers
- Power Distribution Center
- Pulleys
- Receivers, Amplifiers, Equalizers And Sub-Woofer Volume Controls
- Relay Boxes
- Relays
- Sealed Beams
- Seat Heaters
- Security Alarm Sensors
- Sirens
- Solenoids
- Speakers And Microphones
- Speedometer And Tachometer Linkages And Cables
- Speedometer Cables
- Speedometers
- Starters
- Sub-Woofer Volume Control
- Switches
- Tachometer Cables
- Tachometers
- Tape Players And Cd Players
- TENSIONERS
- Timers
- Transceivers
- Transducers
- Vacuum Accumulators (Reservoirs)
- Voltage Regulators
- Washer Fluid Level Senders
- Washer Pumps
- Wiper Arms And Blades
- Wiper Blades
- Wiper Hoses And Nozzles
- Wiper Linkages
- Wiper Nozzles
- Wiper Pump Reservoirs
- Wiring Harnesses And Connectors
- Battery, Starting & Charging System CHECKSHEET
- Reason Code Explanation
- Automotive Terminology & Definitions
- Electrical Systems
- Using lemon2025'S System Wiring Diagrams
- Map - Electrical Systems
- Engine
- Engine Overhaul Procedures - General Information
- * Please Read This First *
- Description
- Engine Identification
- Inspection Procedures
- Cleaning Procedures
- Component Cleaning
- Cylinder Head Replacement
- Cylinder Head Overhaul
- Pistons, Connecting Rods & Bearings
- Crankshaft & Main Bearings
- Camshaft
- Timing Chains & Belts
- Timing Gears
- Oil Pump
- Break-In Procedure
- General Cooling System Service - General Information
- Engine Overhaul Procedures - General Information
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Engine Performance And Maintenance (Including Exhaust Systems)
- Engine Performance & Maintenance CHECKSHEET
- Engine Performance And Maintenance
- Notes
- Accelerator Pedal Position Sensor
- Accessory Belts
- Accessory Pulleys
- Air Conditioning Cycling Switches
- Air Conditioning Pressure Sensors
- Air Ducts And Tubes
- Air Filter Elements
- Air Filter Gaskets
- Air Filter Housings And Gaskets
- Air Fuel Ratio Sensors
- Air Injection Control Solenoids
- Air Plenums
- Air Pump Belts
- Air Pumps (Electric Driven)
- Air Tubes
- Aspirator, Check And DECEL Valves
- Baffles
- Ballast Primary Supply Resistor Wires
- Ballast Resistors And Primary Supply Resistors
- Barometric Pressure Sensors
- Batteries
- Battery Cables, Wires And Connectors
- Battery Connectors
- Battery Trays And Hold Down Hardware
- Battery Wires
- Belt Idler Assemblies (Accessory And Cam Belts)
- Belt TENSIONERS (Accessory And Cam Belt)
- Belt-Driven Air Pumps
- Boost Control Mechanism
- Camshaft Position Sensors
- Carburetors And Chokes
- Casting Core Plugs And Expansion Plugs
- Charge Air Coolers ""INTERCOOLERS"" (CAC)
- Check Valves
- Chemical Engine DECARBONIZATION
- Chokes
- Clutch Pedal Position Switches
- Cold Start Injectors
- Combustion Chamber Cleaning
- Connectors
- Coolant Recovery Tanks
- Coolant
- Cooling Fan Motor Modules
- Cooling Fan Motor Relays And Modules
- Cooling Fan Motor Resistors
- Cooling Fan Motor Sensors And Switches
- Cooling Fan Motor Switches
- Cooling Fan Motors
- Crankshaft Position Sensors
- Cylinder Deactivation Solenoid
- Cylinder Head Assemblies
- DECEL Valves
- Deflectors
- Dip Stick Tubes
- Dip Sticks And Tubes
- Distributor Advances And Retarders (Mechanical And Vacuum)
- Distributor Boots And Shields
- Distributor Caps
- Distributor Retarders (Mechanical And Vacuum)
- Distributor Rotors
- Distributor Shields
- Distributors
- Early Fuel Evaporation Valves (Heat Riser Assemblies)
- EGR Coolers
- EGR Exhaust Manifold Passages
- EGR Intake And Exhaust Manifold Passages
- EGR Plates And Coolers
- Electronic Spark Control Modules
- Electronic Transmission Control Devices
- Electronic Transmission Feedback Devices
- Engine Coolant Temperature Sensors
- Engine Cooling Systems
- Engine Covers (Oil Pan, Valve Cover, Timing Cover)
- Engine DECARBONIZATION
- Engine Oil Canisters
- Engine Oil Coolers (External)
- Engine Oil Drain Plugs And Gaskets
- Engine Oil Filters And Canisters
- Engine Oil Gaskets
- Engine Oil Pressure Gauges (Mechanical)
- Engine Oil
- Evaporative Emissions (EVAP) Canister Filters
- Evaporative Emissions (EVAP) Canister Purge Devices
- Evaporative Emissions (EVAP) Canisters
- Evaporative Emissions (EVAP) Feedback Devices
- Exhaust Gas RECIRCULATION Devices
- Exhaust Gas RECIRCULATION Feedback Devices
- Expansion Plugs
- Fan Control Sensor
- Fuel Accumulators And Dampers
- Fuel And Cold Start Injectors
- Fuel Caps
- Fuel Dampers
- Fuel Delivery Check Valves
- Fuel Distributors (BOSCH Cis)
- Fuel Filler Necks And RESTRICTORS
- Fuel Filters
- Fuel Injector Cleaning
- Fuel Injectors
- Fuel Level Senders
- Fuel Pressure Regulators
- Fuel Pumps (In-Tank, External, Electrical Or Mechanical)
- Fuel Rails
- Fuel RESTRICTORS
- Fuel System Cleaning Service
- Fuel Tanks
- Fuel
- Gaskets
- Grommets (Valve Cover)
- Harmonic Dampers
- Heater Control Valves
- Heater Cores
- Hose Clamps
- Hose Connectors
- Hose Couplers
- Hoses And Tube Couplers, Connectors And Clamps
- Hoses And Tubes (Fuel Lines, Radiator, Vacuum, By-Pass, Heater, Recovery Tank And Oil Coolers)
- Housings
- Idle Air Controls
- Idle Speed Control Actuators
- Ignition Boots
- Ignition Coil Towers
- Ignition Coils
- Ignition Control Modules (ICM)
- Ignition Switches
- Ignition Terminals
- Ignition Wires (Secondary)
- Inertia Fuel Shut-Off Switches
- Intake Air Temperature Sensors
- Intake Cleaning
- Intake Manifolds
- In-Tank Fuel Strainers
- INTERCOOLERS
- Knock Sensors
- Liquid Vapor Separators
- Long Block Assemblies
- Manifold Absolute Pressure (Map) Sensors
- Mass Air Flow (MAF) Sensors
- Metal Air Manifolds And Pipes
- Metal Air Pipes
- Mix Control Solenoids
- Motor Mounts
- O2 Sensors
- Oil Pans
- Oil Pressure Sending Units
- Oil Pump Pick-Up Screens
- Oil Pumps
- O-Rings, Gaskets, Seals And Spring Locks
- Park Neutral Position Switches
- PCV Breather Elements
- PCV Orifices
- PCV Valves
- Pick-Up Assemblies (Includes Magnetic, Hall Effect And Optical)
- Power Steering Pressure Sensors
- Powertrain Control Modules (Pcm) And Prom
- Powertrain Control Prom
- Pressurized Expansion Tank Caps
- Radiator / Cooling Fan Blades
- Radiator / Cooling Fan Clutches
- Radiator Caps And Pressurized Expansion Tank Caps
- Radiators
- Roll Over Valves
- Sealing Compounds
- Seals
- Secondary Air Injection System Management Devices
- Sensors
- Short Block Assemblies
- Shrouds, Baffles And Deflectors
- Spark Plugs
- Spring Locks
- Super Chargers
- Switches
- Thermal Vacuum Valves
- Thermostatic Air Door Assemblies
- Thermostats And Housings
- Throttle Bodies
- Throttle Body Cleaning
- Throttle Cables
- Throttle Linkages And Cables
- Throttle Position Sensors
- Throttle Position Switches
- Timing Belt Sprockets
- Timing Belts
- Timing Covers
- Torque Struts
- Transmission Range Switches
- Tube Clamps
- Tube Connectors
- Tube Couplers
- Tubes
- Turbo Chargers
- Vacuum Connections
- Vacuum Hoses, Tubes And Connections (Non-Metallic)
- Vacuum Regulator Solenoids
- Vacuum Tubes
- Valve Covers
- Vehicle Speed Senors
- Volume Air Flow Sensors
- Waste Gate And Boost Control Mechanisms
- Waste Gate Control Solenoids
- Water Pumps (Electric)
- Water Pumps (Non-Electric)
- Wiring Harnesses And Connectors
- Reason Code Explanation
- Automotive Terminology & Definitions
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- ALASKA
- ARIZONA
- CALIFORNIA
- Colorado
- CONNECTICUT
- DELAWARE
- District Of COLUMBIA
- GEORGIA
- IDAHO
- ILLINOIS
- INDIANA
- KENTUCKY
- MARYLAND
- MASSACHUSETTS
- MISSOURI
- NEVADA
- New Jersey
- New MEXICO
- New YORK
- North CAROLINA
- OHIO
- OREGON
- PENNSYLVANIA
- RHODE Island
- TENNESSEE
- TEXAS
- UTAH
- VIRGINIA
- WASHINGTON
- WISCONSIN
- U. S. EPA ASM2525 & ASM5015 Start-Up Emission Standards
- U. S. EPA Revised Final ASM Emission Standards (ASM5015 & ASM2525)
- U.S. EPA Im240 Emission Standards
- Waveforms - Injector Pattern Tutorial - General Information
- * Please Read This First *
- Purpose Of This Article
- Is A Lab Scope Necessary?
- The Two Types Of Injector Drivers
- The Two Ways Injector Circuits Are Wired
- Interpreting Injector Waveforms
- Current Waveform Samples
- Notes
- Example #1 - Voltage Controlled Driver
- Example #2 - Voltage Controlled Driver
- Example #3 - Voltage Controlled Driver
- Example #4 - Current Controlled Driver
- Example #5 - Current Controlled Driver
- Example #6 - Current Controlled Driver
- Example #7 - Current Controlled Driver
- Example #8 - Current Controlled Driver
- Voltage Waveform Samples
- Notes
- Example #1 - Voltage Controlled Driver
- Example #2 - Voltage Controlled Driver
- Example #3 - Voltage Controlled Driver
- Example #4 - Current Controlled Driver
- Example #5 - Current Controlled Driver
- Example #6 - Current Controlled Driver
- Example #7 - Current Controlled Driver
- Example #8 - Current Controlled Driver
- Map - Exhaust Systems
- Exhaust Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Catalytic Converters
- Exhaust And Tail Pipes
- Exhaust Connections
- Hangers
- Heat Risers (Mechanical EFE Devices)
- Heat Shields
- Manifolds (Cast And Tube Type)
- Mechanical EFE Devices
- Muffler Valve
- Mufflers And Resonators
- Reason Code Explanation
- Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Map - Heating, Ventilation, & Air Conditioning
- Heating, Ventilation & Air Conditioning Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Accumulators
- Actuators (Electrical)
- Actuators (Vacuum)
- Air Conditioning Fittings
- Air Conditioning Hoses
- Air Conditioning Metal Lines
- Air Control Doors
- Air Dams (External)
- Air Distribution System
- Belts
- Blend Doors
- Blower Fans (Blower Wheel Or Squirrel Cage)
- Blower Motors
- Blower Resistors
- Blower Switches
- Cabin Air Filters
- Circuit Breakers
- Compressor Clutch Assemblies
- Compressors
- Condenser Air Seals
- Condenser Fan Motors
- Condensers
- Connectors
- Control Cables
- Control Heads (Function Selectors)
- Control Linkages
- Control Modules
- Coolant
- Cooling Fan Blades
- Cooling Fan Clutches
- Cooling Fan Motors
- Evaporator Drain Tubes
- Evaporator Filters
- Evaporator Pressure Regulators (EPRS)
- Evaporators
- Expansion Valves
- Function Selectors
- Fuses, Fusible Links And Circuit Breakers
- Fusible Links
- Gaskets
- Heater Cases
- Heater Control Valves
- Heater Cores
- Heater Hoses
- High Pressure Relief Valves (HPRV)
- Idlers
- In-Line Filters
- Metal Fittings
- Metal Lines
- Mix And Air Control Doors (Blend Doors)
- ORIFACE Tubes
- O-Rings
- Pilot-Operated Absolutes (POAS)
- Plenums
- Pressure Control Valves
- Pressure Sensors
- Pulleys
- Radiators
- Receiver-DRIERS
- Refrigerant Oil
- Refrigerant
- Relays
- Seals
- Service Ports
- Spring Lock Couplings
- Suction Throttling Valves (STVS)
- Switches (Electrical)
- TENSIONERS
- Thermistors And Pressure Sensors
- Thermostats And Housings
- Vacuum Hoses And Tubes
- Vacuum Reservoirs
- Vacuum Tubes
- Valves In Receiver (VIRS)
- Water Pumps (Electric Auxiliary)
- Wiring Harnesses And Connectors
- Heating, Ventilation & Air Conditioning System CHECKSHEET
- Reason Code Explanation
- Automotive Terminology & Definitions
- Heating, Ventilation & Air Conditioning Systems
- Map - Heating, Ventilation, & Air Conditioning
- Hoist/Jack
- Identification
- Metric Conversions
- Specifications Index
- Steering
- Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
- Steering & Suspension Systems
- Wheel And Tire
- Steering & Suspension CHECKSHEET
- Wheels & Tires CHECKSHEET
- Steering And Suspension, Wheel Alignment, Wheels And Tires
- Notes
- Active Handling
- Active Suspension Control Modules
- Active Variable Ratio Steering
- Active Yaw Control
- Adaptive Cruise Control
- Advance TRAC
- Air Bags
- Air Ride Control Modules
- Air Ride Suspension Torsion Springs (Counter Balancing)
- Air Ride Suspension
- Air Ride Tubes
- Air Shocks And Air Struts
- Air Spring Valves
- Air Springs
- Air Suspension Control Valves
- Air Suspension DRIERS
- Axle Acceleration Sensor
- Ball Joints
- Body Acceleration Sensor
- Bushings
- Center Links
- Compressors
- Continuous Damping Control
- Control Arm Shafts
- Control Arms
- Control Modules
- Distance Regulation Control Module
- Distance Regulation Sensor
- Drag Links
- Dynamic Stability Control
- Dynamic Stability Traction Control
- Electronic Ride Control Shocks And Struts
- Electronic Stability Control
- Electronic Suspension System
- Flex Couplers
- Gaskets
- Height Sensors
- Hydraulic Hoses
- Hydraulic Power Steering Pumps
- Hydraulic Suspension Hoses
- Hydraulic Suspension Pumps
- Idler Arms
- Intermediate Shaft U-Joints
- King Pins
- Modules
- Pitman Arms
- Power Steering Belts
- Power Steering Coolers
- Power Steering Fluid
- Power Steering Hoses
- Power Steering Lines (Steel)
- Power Steering Pumps - Electric
- Power Steering Pumps
- Radar Sensor
- Radius Arms
- Relay Rods
- Relays
- Sensors
- Shock Absorbers, Strut Cartridges And Strut Assemblies
- Spindles
- Springs, Coil, Leaf And Torsion Bars
- STABILITRAC
- Stability Management System
- Steering Angle Sensor
- Steering Arms
- Steering Couplers
- Steering Dampers
- Steering Gears (Except Rack And Pinion)
- Steering Gears, Rack And Pinion
- Steering Knuckles
- Strike Out Bumpers
- Strut Bearing Plate Assemblies
- Strut Rods
- Suspension Pumps (Hydraulic)
- Sway Bar Links
- Sway Bar Mounting Bushings
- Sway Bars
- Switches
- Tie Rod Ends (Inner And Outer)
- Tire Pressure Monitoring System
- Tire Pressure Sensors
- Tires
- Torque Sensor
- Torsion Springs
- Track Bar Bushings
- Track Bars
- Trailing Arm Bushings
- Trailing Arms
- Valve Stems
- Vehicle Dynamics Control
- Vehicle Speed Sensor
- Vehicle Stability Assist
- Vehicle Stability/Skid Control
- Warning Lamps
- Wheel Alignment
- Wheel Attachment Hardware
- Wheel Bearings, Races And Seals
- Wheels (Rims)
- Wiring Harnesses And Connectors
- Reason Code Explanation
- Automotive Terminology & Definitions
- Wheel Alignment Theory & Operation - General Information
- Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
- Towing Procedure
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- General Servicing
- Air Conditioning Servicing
- Component Replacement
- General Motors - Buick
- General Motors CADILLAC
- General Motors CHEVROLET
- General Motors OLDSMOBILE
- General Motors PONTIAC
- Component Replacement Cautions
- HVAC Control Systems
- Automatic Temperature Control
- Description
- Components & Functions
- Operation
- Functional Test
- Theory Of Operation, Testing & Adjusting
- Trouble Shooting
- Blower Inoperative
- Blower, Programmer & Compressor Inoperative
- High Blower Only; "HI", "AUTO", or "DEF" Give Max Heat
- Low Blower Only With Max Heat
- Low Blower Only With Selector At "A/C" or "HEAT"
- No Low Blower in "OFF", "ECONOMY" & "LO" Positions
- Immediate Blower (Cold Engine), In-Car Temp Below 70°F
- High Blower, "DEF" Only; In-Car Tamp Below 70°F
- Compressor Inoperative Above 40°F Ambient Temp
- Compressor Operates Below 25°F
- Max Heat Mode in "LO", "AUTO" or "HI", No Temp Control; No Automatic Blower Changes
- In "AUTO" Range, No Temp Control, No Automatic Blower Changes
- In "AUTO" Heat Mode (All Positions), No Temp Control, No Automatic Blower Changes
- In Max "HEAT" Mode, Cold Air From Heater Outlet
- Max A/C In All Positions
- Max Heat In All Positions
- Max A/C Only In "AUTO" Range; Cold Air From Outlets
- Erratic Temperature Control
- Temp of Discharge Air Too Hot or Too Cool At Mode Change
- Insufficient Heat
- No Mode Change In "AUTO" Range From A/C To Heat
- Excessive Temp Difference At Outlets In "BI-LEVEL" Operation
- Partial Air Flow To Windshield in "DEF"; No Air Flew To Windshield in "BI-LEVEL"
- No Air Flow To Windshield In Either "BI-LEVEL" Or "DEF"
- Manual Temperature Control
- Automatic Temperature Control
- General Servicing
- Maintenance
- Procedures
- Ball Joint Checking
- Hydraulic Brake Bleeding
- Power Steering General Servicing
- Wheel Alignment (Inspection)
- Wheel Alignment (Procedures)
- Wheel Bearing Adjustment
- Schedule
- Procedures
- Restraints
- Steering
- Manual Steering
- Power Steering Gears - SAGINAW Ball Bearing Worm & Nut
- Power Steering Gears - SAGINAW Rotary Valve
- Power Steering Gears - SAGINAW Vane
- Power Steering General Servicing
- Steering Gears - Rack & Pinion
- Steering Linkage
- Power Steering
- Power Steering Gears - SAGINAW Ball Bearing Worm & Nut
- Power Steering Gears - SAGINAW Rotary Valve
- Power Steering Gears - SAGINAW Vane
- Power Steering General Servicing
- Steering Gears - Rack & Pinion
- Steering Linkage
- Steering Column
- Movable Steering Columns
- Steering Columns
- Steering Wheel, Horn Button, Turn Signal Switch Removal
- Steering Gear
- Power Steering Gears - SAGINAW Ball Bearing Worm & Nut
- Power Steering Gears - SAGINAW Rotary Valve
- Steering Gears - Rack & Pinion
- Steering Linkage
- Manual Steering
- Suspension
- Front Suspension
- Rear Suspension
- Wheel Alignment
- Transmission
- External Pages