Common Specs & Procedures Index
SIERRA & SILVERADO 2500/3500 COMMON SPECS & PROCEDURES
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM SPECIFICATIONS (NON-HP2) | ||
| Torque | Automatic System FASTENER TIGHTENING SPECIFICATIONS Manual System FASTENER TIGHTENING SPECIFICATIONS |
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| Axle Nut/Hub Nut | |||
| Front Wheel Drive Shaft to Front Hub Nut | 188 lb ft (255 N.m) | ||
| Battery | BATTERY USAGE | ||
| Brakes | |||
| Bleeding Sequence | RR, LR, RF, LF. See HYDRAULIC BRAKE SYSTEM BLEEDING (PRESSURE)
or HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL) |
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| Disc Brakes | |||
| Service Specifications | DISC BRAKE COMPONENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Drum Brakes | |||
| Service Specifications | DRUM BRAKE COMPONENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Charging | |||
| Generator | GENERATOR USAGE | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | Serpentine Drive Belt Is Not Adjustable. | ||
| Drive Belt Routing | |||
| 6.0L Gas | See illustraltion under INSTALLATION PROCEDURE . | ||
| 6.6L Diesel | See illustraltion under INSTALLATION PROCEDURE | ||
| Engine Cooling | |||
| General Service Specifications | NA | ||
| Radiator Cap Pressure | Pressure Specification is Stamped on Radiator Cap | ||
| Thermostat R & I | |||
| 6.0L Gas | ENGINE COOLANT THERMOSTAT REPLACEMENT (GAS) | ||
| 6.6L Diesel | ENGINE COOLANT THERMOSTAT REPLACEMENT (DIESEL) | ||
| Water Pump R & I | |||
| 6.0L Gas | WATER PUMP REPLACEMENT (V8) | ||
| 6.6L Diesel | WATER PUMP REPLACEMENT (DIESEL) | ||
| Engine Mechanical | |||
| 6.0L Gas | |||
| Compression | The minimum compression in any one cylinder should not be less than 70 percent of the highest cylinder. No cylinder should read less than 690 kpa (100 psi). See ENGINE COMPRESSION TEST . | ||
| Oil Pressure (Minimum - Hot) | 22 psig at 1, 000 engine RPM (152 kPa at 1, 000 engine RPM) 30 psig at 2, 000 engine RPM (207 kPa at 1, 000 engine RPM) 33 psig at 3, 000 engine RPM (228 kPa at 3, 000 engine RPM) |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS (RPO L96 VIN G) ENGINE MECHANICAL SPECIFICATIONS (RPO LC8 VIN B) |
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| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 6.6L Diesel | |||
| Compression | The minimum compression in any one cylinder is 2069 kPa (300 psi). There should not be more than 345 kPa (50 psi) difference between a suspect cylinder and the average compression of all 8 cylinders. See ENGINE COMPRESSION TEST | ||
| Oil Pressure (Minimum - Hot) | Idle 7 psi (48 kPa) 1800 RPM 28 psi (193 kPa) Oil Relief Valve Opening Pressure 64 psi (441 kPa) Piston Cooling Jet Valve Opening Pressure 26-31 psi (176-216 kPa) |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Fluid Specifications | See FLUIDS under MAINTENANCE/FLUIDS tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button. | ||
| Flywheel/Flex Plate/Drive Plate Torque | |||
| 6.0L Gas | Step 1 = 15 Ft. Lb. (20 N.m) Step 2 = 37 Ft. Lb. (50 N.m) Step 3 = 74 Ft. Lb. (100 N.m) |
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| 6.6L Diesel | Step 1 = 59 ft. lbs. (80 N.m) Step 2 = + 60 degrees Step 3 = + 60 degrees |
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| Fuel System | |||
| Pressure Specification | |||
| 6.0L Gas (Scan Tool Key On Engine Off) | 345-414 kPa (50-60 psi) | ||
| 6.6L Diesel (Scan Tool Engine Cranking) | 13 MPa (1885 psi) | ||
| Fuel Pressure Test Procedure | |||
| 6.0L Gas | See CIRCUIT/SYSTEM VERIFICATION . | ||
| 6.6L Diesel | See CIRCUIT/SYSTEM VERIFICATION | ||
| Fuel Filter Location | |||
| 6.0L Gas | The fuel filter is contained in the fuel tank fuel pump module assembly inside the fuel tank. There is no service interval for fuel filter replacement. | ||
| 6.6L Diesel | Fuel Filter is on left side of engine. | ||
| Fuel Filter R & I | |||
| 6.0L Gas | FUEL TANK FUEL PUMP MODULE REPLACEMENT (25/35 SERIES) | ||
| 6.6L Diesel | FUEL FILTER REPLACEMENT | ||
| Ignition | |||
| Firing Order & Cylinder Identification | See FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 6.0L Gas = 397-1, 337 ohms | ||
| Ignition Wires (Routing) | |||
| 6.0L Gas | Spark plug wires route directly from coil to spark plug. See SPARK PLUG WIRE REPLACEMENT | ||
| 6.6L Diesel | NA | ||
| Spark Plug | |||
| 6.0L Gas (Type = Refer to Parts Catalogue) | |||
| Gap | 0.037-0.043 in (0.95-1.10 mm) | ||
| Torque | 11 ft. lb. (15 N.m) | ||
| Starting | |||
| Starter | N/A | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Wheel Alignment | |||
| Adjustment Specifications | SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 140 lb ft (190 N.m) For wheel nut tightening sequence, see illustration under TIRE AND WHEEL REMOVAL AND INSTALLATION (6-LUG WHEEL) or TIRE AND WHEEL REMOVAL AND INSTALLATION (8-LUG WHEEL) |
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