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Specifications Index

LUCERNE SPECIFICATIONS INDEX

System Specification/Procedure
Air Conditioning
Service REFRIGERANT SYSTEM CAPACITIES
Torque Automatic System FASTENER TIGHTENING SPECIFICATIONS
Manual System FASTENER TIGHTENING SPECIFICATIONS
Axle Nut/Hub Nut
Front 118 ft. lbs. (160 N.m)
Battery BATTERY USAGE
Brakes
Bleeding Sequence RR-LF-LR-RF. See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL)
Disc Brakes
Service Specifications DISC BRAKE COMPONENT SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Charging
Generator GENERATOR USAGE
Torque FASTENER TIGHTENING SPECIFICATIONS
Drive Belts
Adjustment Serpentine drive belts are not adjustable
Belt Routing 3.8L See illustration under DRIVE BELT REPLACEMENT
4.6L See illustration under DRIVE BELT REPLACEMENT and WATER PUMP BELT REPLACEMENT (LD8)
Engine Cooling
General Service Specifications NA
Radiator Cap Pressure Specification is stamped on pressure cap
Thermostat R & I
3.8L ENGINE COOLANT THERMOSTAT REPLACEMENT (L26)
4.6L ENGINE COOLANT THERMOSTAT REPLACEMENT (LD8)
Water Pump R & I
3.8L WATER PUMP REPLACEMENT (L26)
4.6L WATER PUMP REPLACEMENT (LD8)
Engine Mechanical
3.8L
Compression No cylinder reading should be less than 100 psi (689 kPa).
The lowest reading should not be less than 70 percent of the highest reading.
See ENGINE COMPRESSION TEST
Oil Pressure Oil Pressure - @ 1850 RPM 60 psi (414 kPa)
Overhaul ENGINE MECHANICAL SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
4.6L
Compression No cylinder reading should be less than 140 psi (965 kPa).
The lowest reading should not be less than 70 percent of the highest reading.
See ENGINE COMPRESSION TEST
Oil pressure Oil Pressure - Minimum @ Idle 5 psi (35 kPa)
Oil Pressure - Minimum @ 2,000 RPM 35 psi (250 kPa)
Overhaul ENGINE MECHANICAL SPECIFICATIONS (LD8) or ENGINE MECHANICAL SPECIFICATIONS (L37)
Torque FASTENER TIGHTENING SPECIFICATIONS
Fluid Specifications See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate/Drive PlateTorque
3.8L
Step 1 11 ft. lbs. (15 N.m)
Final Step + an additional 50 degrees
4.6L
Step 1 22 ft. lbs (30 N.m)
Final Step + an additional 50 degrees
Fuel System
Pressure Specification 3.8L 50-60 psi (345-414 kPa)
4.6L 55-62 psi (384-425 kPa)
Fuel Pressure Test Procedure 3.8L See Fuel Pressure Gage Installation and Removal and FUEL SYSTEM DIAGNOSIS
4.6L See Fuel Pressure Gage Installation and Removal and FUEL SYSTEM DIAGNOSIS
Fuel Filter Location 3.8L The fuel strainer attaches to the lower end of the fuel sender inside the fule tank
4.6L The fuel strainer attaches to the lower end of the fuel sender inside the fule tank
Fuel Filter R & I 3.8L For California vehicles, see FUEL SENDER ASSEMBLY REPLACEMENT (RPO NU6) or for federal vehicles, see FUEL SENDER ASSEMBLY REPLACEMENT (NT7)
4.6L FUEL SENDER ASSEMBLY REPLACEMENT
Ignition
Firing Order & Cylinder Identification
3.8L FIRING ORDER & CYLINDER IDENTIFICATION
4.6L FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance) 3.8L 3000 ohms per ft
4.6L Coil on plug
Ignition Wires (Routing)
3.8L See illustrations under SPARK PLUG WIRE REPLACEMENT
4.6L Coil on plug
Spark Plug
3.8L (Type GM P/N 12568387)
Gap 0.060 in (1.52 mm)
Torque 11 lb ft (15 N.m)
4.6L (Type)
Gap 0.050 in (1.27 mm)
Torque Used cylinder head 11 lb ft (15 N.m)
New cylinder head 15 lb ft (20 N.m)
Starting
Starter NA
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel Alignment
Adjustment Specifications WHEEL ALIGNMENT SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque 100 ft lb (140 N.m)