Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2002AVALANCHE 2500, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSCOMMON SPECS & PROCEDURESSPECIFICATIONS INDEX
2002 Chevrolet Avalanche 2500, RWD
Specifications Index
2002 Chevrolet Avalanche 2500, RWDSECTION Specifications Index
AVALANCHE, ESCALADE, SUBURBAN, TAHOE, YUKON SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | |||
| Automatic | SPECIFICATIONS | ||
| Manual | SPECIFICATIONS | ||
| Torque | |||
| Automatic | FASTENER TIGHTENING SPECIFICATIONS | ||
| Manual | TORQUE SPECIFICATIONS | ||
| Axle Nut/Hub Nut | 177 Ft. Lbs. (240 N.m) | ||
| Battery | BATTERY SPECIFICATIONS | ||
| Brakes | |||
| Bleeding Sequence | RR, LR, RF, LF | ||
| Disc Brakes | DISC BRAKE SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Charging | |||
| Generator | GENERATOR SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | BELT ADJUSTMENT | ||
| Belt Routing | |||
| 4.8L, 5.3L & 6.0L | BELT ROUTING | ||
| 8.1L | BELT ROUTING | ||
| Engine Cooling | |||
| General Service Specifications | COOLING SYSTEM SPECIFICATIONS | ||
| Radiator Cap Pressure | 15 psi | ||
| Thermostat R & I | THERMOSTAT HOUSING REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) THERMOSTAT REPLACEMENT (8.1L ENGINE) |
||
| Water Pump R & I | WATER PUMP REPLACEMENT (4.8L, 5.3L & 6.0L ENGINES) WATER PUMP REPLACEMENT (8.1L ENGINE) |
||
| 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 Torque | |||
| 4.8L, 5.3L, & 6.0L | |||
| First Pass | 15 Ft. Lbs. (20 N.m) | ||
| Second Pass | 37 Ft. lbs. (50 N.m) | ||
| Final Pass | 74 Ft. Lbs. (100 N.m) | ||
| 8.1L | |||
| First Pass | 59 Ft. Lbs. (80 N.m) | ||
| Final Pass | 74 Ft. Lbs. (100 N.m) | ||
| Fuel System | |||
| Pressure Specification | FUEL PUMP | ||
| Fuel Pressure Test Procedure | For diesel fuel system and component diagnosis, see FUEL SYSTEM (DIESEL)
in SYSTEM & COMPONENT TESTING - TRUCKS - EXCEPT TRACKER article. FUEL SYSTEM PRESSURE TEST (4.8L, 5.3L, 6.0L & 8.1L) |
||
| Fuel Filter Location and R & I | FUEL FILTER | ||
| Ignition | |||
| Firing Order & Cylinder Identification | See FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | HIGH TENSION WIRE RESISTANCE | ||
| Ignition Wires (Routing) | NA | ||
| Spark Plug | |||
| Type | |||
| 4.8L, 5.3L, 6.0L | AC 25171803 | ||
| 8.1L | Denso TJ14R-P15 | ||
| Gap | Iridium .040 in. (1.04 mm) Platinum .060 In. (1.52 mm) |
||
| Torque | |||
| 4.8L, 5.3L, 6.0L | * For used heads tighten the spark plugs to 15 Nm (11 lb ft). * For new aluminum heads tighten the spark plugs to 20 Nm (15 lb ft). * For new iron heads, tighten the spark plugs to 30 Nm (22 lb ft). | ||
| 8.1L | 15 Ft. Lbs. (20 N.m) | ||
| Starting | |||
| Starter | STARTER APPLICATION | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Wheel Alignment | |||
| Adjustment Specifications | AVALANCHE, ESCALADE, SUBURBAN, TAHOE & YUKON | ||
| Torque | N/A | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 140 Ft. Lbs. (190 N.m) | ||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.