Specifications Index
AVALANCHE, ESCALADE, SUBURBAN, TAHOE & YUKON SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM SPECIFICATIONS (NON-HP2)
or REFRIGERANT SYSTEM SPECIFICATIONS (HP2) |
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| Torque | Automatic System FASTENER TIGHTENING SPECIFICATIONS Manual System FASTENER TIGHTENING SPECIFICATIONS |
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| Battery | For Non-Hybrid BATTERY USAGE For 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 | For Non-Hybrid GENERATOR USAGE | ||
| Torque | For Non-Hybrid FASTENER TIGHTENING SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | Serpentine drive belts are not adjustable | ||
| Drive Belt Routing | Non- Hybrid See illustration under DRIVE BELT REPLACEMENT - ACCESSORY
or AIR CONDITIONING COMPRESSOR BELT REPLACEMENT (V8) Hybrid See illustration under DRIVE BELT REPLACEMENT |
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| Engine Cooling | |||
| General Service Specifications | NA | ||
| Radiator Cap Pressure | Specification is stamped on pressure cap | ||
| Thermostat R & I | ENGINE COOLANT THERMOSTAT REPLACEMENT (GAS) | ||
| Water Pump R & I | WATER PUMP REPLACEMENT | ||
| Engine Mechanical | |||
| Non-Hybrid | |||
| Compression | No cylinder should read less than 100 psi (690 kPa) No cylinder should be less than 70 percent of the highest cylinder |
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| Oil Pressure | Non-Hybrid LY2/LMG/LY5/LC9/LY6/L9H/L76 1000 RPM 6 psi (41 kPa) 2000 RPM 18 psi (124 kPa) 4000 RPM 24 psi (165 kPa) |
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| Overhaul | For Non-Hybrid, See appropriate table under ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | For non-Hybrid, See FASTENER TIGHTENING SPECIFICATIONS | ||
| Hybrid | |||
| Compression | No Minimum Provided By Manufacturer No cylinder should be less than 70 percent of the highest cylinder |
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| Oil pressure (Hot) | 1000 RPM 36 psi (250 kPa) 2000 RPM 42 psi (290 kPa) 4000 RPM 45 psi (310 kPa) |
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| Overhaul | For Hybrid, see ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | For Hybrid, See 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. Lbs (20 N.m) Second Pass 37 Ft. Lbs (50 N.m) Final Pass 74 Ft. Lbs (100 N.m) |
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| Fuel System | |||
| Pressure Specification (Key On/Engine Off) | Non-Hybrid 50-60 psi (345-414 kPa) Hybrid 50-60 psi (345-414 kPa) |
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| Fuel Pressure Test Procedure | Non Hybrid, See FUEL SYSTEM DIAGNOSIS (W/O FPCM) Or FUEL SYSTEM DIAGNOSIS (FPCM) Hybrid, See FUEL SYSTEM DIAGNOSIS |
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| Fuel Filter Location | Non-Hybrid The fuel filter is contained in the fuel tank fuel pump module assembly inside the fuel tank Hybrid The fuel filter is contained in the fuel (Pump Module) sender assembly inside the fuel tank |
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| Fuel Filter R & I | Non-Hybrid, see appropriate heading under FUEL PUMP FLOW CONTROL MODULE REPLACEMENT Hybrid FUEL TANK FUEL PUMP MODULE REPLACEMENT |
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| Ignition | |||
| Firing Order & Cylinder Identification | |||
| Non-Hybrid | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Hybrid | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 397-1,337 ohms | ||
| Ignition Wires (Routing) | |||
| All Engines | Spark plugs wires route directly down from coil to spark plug | ||
| Spark Plug | |||
| All Engines (NA) | |||
| Gap | 0.040 in (1.02 mm) | ||
| Torque | 11 Ft. Lbs. (15 N.m) | ||
| Starting | |||
| Starter | NA | ||
| Torque | For Non-Hybrid FASTENER TIGHTENING SPECIFICATIONS | ||
| Wheel Alignment | |||
| Adjustment Specifications | WHEEL ALIGNMENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque (See Tightening Pattern under wheel and tire INSTALLATION PROCEDURE | 140 Ft. Lbs. (190 N.m) | ||