Specifications Index
AVALANCHE, ESCALADE, SUBURBAN, TAHOE & YUKON SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | See REFRIGERANT SYSTEM CAPACITIES (NON-HP2) or REFRIGERANT SYSTEM CAPACITIES (HP2) HYBRID | ||
| 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 | Except Hybrid BATTERY USAGE Hybrid BATTERY USAGE |
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| Brakes | |||
| Bleeding Sequence | RR-LR-RF-LF. See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL) | ||
| Disc Brakes | |||
| Service Specifications | DISC BRAKE COMPONENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Charging | |||
| Generator | Non Hybrid GENERATOR USAGE Hybrid NA |
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| Torque | Non HybridFASTENER TIGHTENING SPECIFICATIONS Hybrid FASTENER TIGHTENING SPECIFICATIONS |
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| Drive Belts | |||
| Adjustment | Serpentine drive belts are not adjustable | ||
| Belt Routing | See illustrations under DRIVE BELT REPLACEMENT - ACCESSORY or AIR CONDITIONING COMPRESSOR BELT REPLACEMENT | ||
| Engine Cooling | |||
| General Service Specifications | NA | ||
| Radiator Cap Pressure | Specification is stamped on pressure cap | ||
| Thermostat R & I | |||
| 4.8L, 5.3L, 6.0L & 6.2L | ENGINE COOLANT THERMOSTAT REPLACEMENT | ||
| Water Pump R & I | |||
| 4.8L, 5.3L, 6.0L & 6.2L | WATER PUMP REPLACEMENT (RPOS LY2/LC9/LY5/LMG/LFA) or WATER PUMP REPLACEMENT (RPOS LY6/L76/L92) | ||
| 6.0L Hybrid Module Coolant Pump | GENERATOR CONTROL MODULE COOLANT PUMP REPLACEMENT (LEFT)GENERATOR CONTROL MODULE COOLANT PUMP REPLACEMENT (RIGHT) | ||
| Engine Mechanical | |||
| 4.8L, 5.3L, 6.0L & 6.2L | |||
| 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 | 22 psig (152 kPa) at 1,000 engine RPM 30 psig (207 kPa) at 2,000 engine RPM 33 psig (228 kPa) at 3,000 engine RPM |
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| Overhaul | See appropriate application under ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 6.0L Hybrid | |||
| Compression | No cylinder should be less than 70 percent of the highest cylinder no additional information available. See ENGINE COMPRESSION TEST |
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| Oil pressure | 36 psig (250 kPa) at 1,000 engine RPM 42 psig (290 kPa)at 2,000 engine RPM 45 psig (310 kPa) at 4,000 engine 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 - A/T | First pass 15 ft lb (20 N.m) Second pass 37 15 ft lb (50 N.m) Final pass 74 15 ft lb (100 N.m) |
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| Fuel System | |||
| Pressure Specification | Non Hybrid w/o FPM 50-60 psi (345-414 kPa) Non-Hybrid w/FPM 43-45 psi (296.4-310.3 kPa) 6.0L Hybrid 50-60 psi (345-414 kPa) |
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| Fuel Pressure Test Procedure | See Fuel Pressure Gage Installation and Removal
and FUEL SYSTEM DIAGNOSIS (W/O FPCM) or FUEL SYSTEM DIAGNOSIS (W/FPCM) for non hybrid, or FUEL SYSTEM DIAGNOSIS for 6.0L hybriid. |
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| Fuel Filter Location | Fuel filter is contained in the fuel sender assembly (pump module) inside the fuel tank. The fuel strainer attaches to the lower end of the fuel sender | ||
| Fuel Filter R & I | See appropriate Fuel Tank Fuel Pump Module Replacement under REPAIR INSTRUCTIONS | ||
| Ignition | |||
| Firing Order & Cylinder Identification | |||
| 4.8L, 5.3L, 6.0L & 6.2L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 4.8L, 5.3L, 6.0L & 6.2L 397-1,337 ohms | ||
| Ignition Wires (Routing) | |||
| 4.8L, 5.3L, 6.0L & 6.2L | Spark plugs wires route directly down from coil to spark plug | ||
| Spark Plug | |||
| All applications (Type GM P/N 12571164 or AC Spark Plug P/N 41-985) | |||
| Gap | 0.040 in (1.02 mm) | ||
| Torque | 11 lb ft (15 N.m) | ||
| Starting | |||
| Starter | NA | ||
| Torque | Non HybridFASTENER TIGHTENING SPECIFICATIONS Hybrid FASTENER TIGHTENING SPECIFICATIONS |
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| Wheel Alignment | |||
| Adjustment Specifications | WHEEL ALIGNMENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 140 ft lbs (190 N.m) | ||