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Common Specs And Procedures Index

IMPALA COMMON SPECS AND PROCEDURES

System Specification/Procedure
Air Conditioning
Service REFRIGERANT SYSTEM SPECIFICATIONS
Torque Manual - FASTENER TIGHTENING SPECIFICATIONS
Axle Nut/Hub Nut
Front 155 lb ft (210 N.m)
Rear N/A
Battery BATTERY USAGE
Brakes
Bleeding Sequence Manual  - RIGHT REAR, LEFT REAR, RIGHT FRONT, LEFT FRONT. See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL) .
Pressure  - RIGHT REAR, LEFT REAR, RIGHT FRONT, LEFT FRONT. See HYDRAULIC BRAKE SYSTEM BLEEDING (PRESSURE) .
Disc Brakes
Service Specifications DISC BRAKE COMPONENT SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Charging
Generator GENERATOR USAGE
Torque FASTENER TIGHTENING SPECIFICATIONS
Drive Belts
Adjustment Serpentine belt used, not adjustable
Drive Belt Routing See figure under DRIVE BELT REPLACEMENT .
Engine Cooling
General Service Specifications N/A
Radiator Cap Pressure Pressure stamped on cap
Thermostat R & I
3.6L ENGINE COOLANT THERMOSTAT REPLACEMENT
Water Pump R & I
3.6L WATER PUMP REPLACEMENT
Engine Mechanical
3.6L
Compression No cylinder reading should be less than 965 kPa (140 psi).
The lowest reading should not be less than 70 percent of the highest reading.
See ENGINE COMPRESSION TEST
Oil Pressure Minimum @ Idle - 69 kPa (10 psi)
Minimum @ 2,000 RPM - 138 kPa (20 psi)
Overhaul ENGINE MECHANICAL SPECIFICATIONS (LFX)
Torque FASTENER TIGHTENING SPECIFICATIONS
Fluid Specifications See FLUIDS under MAINTENANCE/FLUIDS tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate/Drive Plate Torque Automatic Transmission 
First Pass  - 22 lb ft (30 N.m)
Final Pass  - additional 45 Degrees
Fuel System
Pressure Specification (3.6L) Not Running  - 345-690 kPa (50-100 psi)
See CIRCUIT/SYSTEM VERIFICATION .
Fuel Pressure Test Procedure See CIRCUIT/SYSTEM VERIFICATION
Fuel Filter Location Fuel filter is part of the fuel tank fuel pump module.
Fuel Filter R & I FUEL TANK FUEL PUMP MODULE REPLACEMENT
Ignition
Firing Order & Cylinder Identification FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance) Individual Ignition Coil/Module Assemblies
Ignition Wires (Routing)
3.6L Coil on plug.
Spark Plug
3.6L (Refer to Electronic Parts Catalog)
Gap 0.0375-0.0433 in (0.95-1.10 mm)
Torque 13 lb ft (18 N.m)
Starting
Starter N/A
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel Alignment
Adjustment Specifications WHEEL ALIGNMENT SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque Aluminum Wheels  - 93 lb ft (126 N.m)
Steel Wheels  - 103 lb ft (140 N.m)
For tightening sequence, see Wheel Nut Tightening Sequence figure under INSTALLATION PROCEDURE .