Specifications Index
AVALANCHE, ESCALADE, SUBURBAN, TAHOE & YUKON SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM CAPACITIES | ||
| Torque | Automatic System FASTENER TIGHTENING SPECIFICATIONS Manual System FASTENER TIGHTENING SPECIFICATIONS |
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| Axle Nut/Hub Nut | |||
| Front | 177 lb ft (240 N.m) | ||
| Battery | BATTERY USAGE | ||
| Brakes | |||
| Bleeding Sequence | RR-LR-RF-LF. See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL) | ||
| Disc Brakes | DISC BRAKE COMPONENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Charging | |||
| Generator | GENERATOR USAGE | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | Serpentine Drive Belts Are Self-Adjusting | ||
| Drive Belt Routing | 4.8L, 5.3L & 6.0L See illustration under DRIVE BELT REPLACEMENT - ACCESSORY
and DRIVE BELT REPLACEMENT - AIR CONDITIONING 8.1L See illustration under DRIVE BELT REPLACEMENT - ACCESSORY and DRIVE BELT REPLACEMENT - AIR CONDITIONING |
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| Engine Cooling | |||
| General Service Specifications | NA | ||
| Radiator Cap Pressure | Specification is stamped on pressure cap | ||
| Thermostat R & I | |||
| 4.8L, 5.3L & 6.0L | THERMOSTAT HOUSING REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) | ||
| 8.1L | THERMOSTAT REPLACEMENT (8.1L ENGINE) | ||
| Water Pump R & I | |||
| 4.8L, 5.3L & 6.0L | WATER PUMP REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) | ||
| 8.1L | WATER PUMP REPLACEMENT (8.1L ENGINE) | ||
| Engine Mechanical | |||
| 4.8L, 5.3L & 6.0L | |||
| Compression | No cylinder should read less than 100 psi (690 kPa) No cylinder should be less than 70 percent of the highest cylinder ENGINE COMPRESSION TEST |
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| Oil Pressure - Minimum - Hot | 6 psig at 1,000 engine RPM 18 psig at 2,000 engine RPM 24 psig at 4,000 engine RPM |
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| Overhaul | 4.8L ENGINE MECHANICAL SPECIFICATIONS (LR4 VIN V) 5.3L ENGINE MECHANICAL SPECIFICATIONS (L59 VIN Z) 6.0L ENGINE MECHANICAL SPECIFICATIONS (LQ4 VIN U) |
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| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 8.1L | |||
| Compression | No cylinder should read less than 100 psi (690 kPa) No cylinder should be less than 70 percent of the highest cylinder ENGINE COMPRESSION TEST |
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| Oil Pressure - Minimum | 5 psi (34 kPa) @ 1,000 RPM 10 psi (69 kPa) @ 2,000 RPM |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| 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 | |||
| 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 30 ft. lbs. (40 N.m) | |||
| Second Pass 59 ft. lbs. (80 N.m) | |||
| Final Pass 74 ft. lbs. (100 N.m) | |||
| Fuel System | |||
| Pressure Specification | |||
| 4.8L, 5.3L & 6.0L | 55-62 psi (385-425 kPa) | ||
| 8.1L | 56-62 psi (384-425 kPa) | ||
| Fuel Pressure Test Procedure | 4.8L, 5.3L & 6.0L See Fuel Pressure Gage Installation and Removal and FUEL SYSTEM DIAGNOSIS 8.1L See FUEL SYSTEM DIAGNOSIS |
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| Fuel Filter Location | 4.8L, 5.3L & 6.0L The fuel filter is contained in the fuel sender assembly inside the fuel tank 8.1L The fuel filter is contained in the fuel sender assembly inside the fuel tank |
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| Fuel Filter R & I | 4.8L, 5.3L & 6.0L See FUEL SENDER ASSEMBLY REPLACEMENT (4.8L AND 5.3L ENGINES) FUEL SENDER ASSEMBLY REPLACEMENT (5.3L (L59) ENGINE) FUEL SENDER ASSEMBLY REPLACEMENT (6.0L ENGINE - DUAL TANKS - FRONT) FUEL SENDER ASSEMBLY REPLACEMENT (6.0L ENGINE - DUAL TANKS - REAR) 8.1L FUEL SENDER ASSEMBLY REPLACEMENT (FRONT TANK) FUEL SENDER ASSEMBLY REPLACEMENT (REAR TANK) |
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| Ignition | |||
| Firing Order & Cylinder Identification | |||
| 4.8L, 5.3L, 6.0L & 8.1L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 4.8L, 5.3L & 6.0L 397-1,337 ohms 8.1L 1,000 ohms per ft |
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| Ignition Wires (Routing) | |||
| 4.8L, 5.3L, 6.0L & 8.1L | Plug wires route to coils directly above spark plugs. | ||
| Spark Plug | |||
| 4.8L, 5.3L & 6.0L (25171803 [AC plug type] or 12567759 [NGK plug type]) | |||
| Gap | Iridium .040 in. (1.04 mm Platinum .060 in. (1.52 mm) |
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| Torque | 11 lb ft (15 N.m) | ||
| 8.1L (TJ14R-P15 Denso plug type) | |||
| Gap | 0.060 in (1.52 mm) | ||
| Torque | 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 | 140 ft. lbs. (190 N.m) | ||