Common Specs & Procedures Index
COMMON SPECS & PROCEDURES
| Air Conditioning | |||
| Service | APPROXIMATE FLUID CAPACITIES | ||
| Torque | Basic System FASTENER SPECIFICATIONS and Automatic System FASTENER SPECIFICATIONS | ||
| Wheel Drive Shaft Nut | |||
| Front | First Pass: 180 N.m (133 lb ft) Second Pass: Loosen 45 degrees Final Pass: 270 N.m (199 lb ft) |
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| Rear | First Pass: 150 N.m (111 lb ft) Second Pass: Loosen 45 degrees Final Pass: 290 N.m (214 lb ft) |
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| Battery | 12 V BATTERY USAGE , or BATTERY INSPECTION/TEST , or BATTERY ELECTRICAL DRAIN/PARASITIC LOAD TEST \ | ||
| Brakes | |||
| Bleeding Sequence | J61, J49 = RR/LR/RF/LF | ||
| Disc Brakes Service Specifications | DISC BRAKE COMPONENT SPECIFICATIONS | ||
| Torque | FASTENER SPECIFICATIONS | ||
| Charging | |||
| Generator | CHARGING SYSTEM TEST | ||
| Torque | FASTENER SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | Non-Adjustable Serpentine Belt | ||
| Drive Belt Routing | See graphic under "Installation Procedure" under: ACCESSORY DRIVE PRIMARY BELT REPLACEMENT for LM2 or ACCESSORY DRIVE PRIMARY BELT REPLACEMENT (L87) or ACCESSORY DRIVE PRIMARY BELT REPLACEMENT (LT4) | ||
| Engine Cooling | |||
| General Service Specifications | FASTENER SPECIFICATIONS , or APPROXIMATE FLUID CAPACITIES | ||
| Radiator Cap Pressure | RADIATOR SURGE TANK CAP TESTING | ||
| Thermostat R & I | |||
| WATER PUMP INLET REPLACEMENT (L87)
, WATER PUMP INLET REPLACEMENT (LM2)
or WATER PUMP INLET REPLACEMENT (LT4) NA |
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| Water Pump R & I | |||
| WATER PUMP REPLACEMENT (L87) , WATER PUMP REPLACEMENT (LM2) , WATER PUMP REPLACEMENT (WITH MANIFOLD) (LT4) or WATER PUMP REPLACEMENT (WITHOUT MANIFOLD) (LT4) | |||
| Engine Mechanical | |||
| Compression | ENGINE COMPRESSION TEST for LM2 or ENGINE COMPRESSION TEST for L87 or LT4. | ||
| 3.0L: Oil Pressure - 19-126°C (66-259°F) | @ 1000 RPM: 152-218 kPa (22-32 psi) @ 2500 RPM: 177-280 kPa (26-41 psi) @ 4000 RPM: 320-400 kPa (46-58 psi) |
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| 6.2L: Oil Pressure - Minimum - Hot | @ 1000 RPM: 152 kPa (22 psi) @ 2000 RPM: 207 kPa (30 psi) @ 3000 RPM: 228 kPa (33 psi) |
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| Overhaul | 3.0L LM2: ENGINE MECHANICAL SPECIFICATIONS 6.2L L87: ENGINE MECHANICAL SPECIFICATIONS (L87) 6.2L LT4: ADHESIVES, FLUIDS, LUBRICANTS, AND SEALERS (LT4) |
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| Torque | 3.0L LM2: BOLT TIGHTENING SEQUENCE 6.2L L87/LT4: BOLT TIGHTENING SEQUENCE |
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| Fluid Specifications | See FLUIDS under MAINTENANCE/FLUIDS tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button. | ||
| Flex Plate | |||
| 3.0L Flex Plate Torque | First Pass: 35 N.m (26 lb ft) Final Pass: 70 degrees AUTOMATIC TRANSMISSION FLEX PLATE BOLT SEQUENCE (LM2) |
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| 6.2L Flex Plate Torque | First Pass: 30 N.m (22 lb ft) Final Pass: 45 degrees AUTOMATIC TRANSMISSION FLEX PLATE BOLT SEQUENCE (6.2L) |
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| Fuel System | |||
| Fuel Pressure Test Procedure | 3.0L LM2: CIRCUIT/SYSTEM VERIFICATION 6.2L L87/LT4: CIRCUIT/SYSTEM VERIFICATION |
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| Fuel Filter Location | 3.0L: under frame 6.2L: Inside the fuel tank. Part of the Fuel Tank Fuel Pump Module |
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| Fuel Filter R & I | 3.0L (LM2): FUEL FILTER REPLACEMENT (LONG WHEELBASE)
or FUEL FILTER REPLACEMENT (SHORT WHEELBASE) 6.2L (L87):FUEL PUMP POWER CONTROL MODULE REPLACEMENT (L87) 6.2L (LT4): FUEL PUMP POWER CONTROL MODULE REPLACEMENT (LT4) |
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| Ignition | |||
| Firing Order & Cylinder Identification | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | Individual Ignition Coils | ||
| Ignition Wires (Routing) | Coil on Plug | ||
| Spark Plug | |||
| 6.2L - See parts catalog for application | |||
| Gap | 6.2L - 0.95-1.10 mm (0.037-0.043 in) | ||
| Torque | 6.2L - 20 N.m (15 lb ft) | ||
| Starting | |||
| Starter | STARTER REPLACEMENT (LM2) STARTER REPLACEMENT (L87) STARTER REPLACEMENT (LT4) |
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| Torque | 58 N.m (43 lb ft) | ||
| Wheel Alignment | |||
| Adjustment Specifications | WHEEL ALIGNMENT SPECIFICATIONS | ||
| Torque | FASTENER SPECIFICATIONS | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 190 N.m (140 lb ft) evenly tighten the 6 wheel nuts in a crisscross pattern |
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