Specifications Index
SIERRA CLASSIC/SILVERADO CLASSIC SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM CAPACITIES | ||
| Torque | |||
| Automatic | FASTENER TIGHTENING SPECIFICATIONS | ||
| Manual | FASTENER TIGHTENING SPECIFICATIONS | ||
| Axle Nut/Hub Nut | 177 Ft. Lbs. (240 N.m) | ||
| Battery | BATTERY USAGE (HP2) or BATTERY USAGE (NON HP2) | ||
| Brakes | |||
| Bleeding Sequence | RR, LR, RF, LF | ||
| 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 | NA | ||
| Belt Routing | |||
| 4.3L | See appropriate figure under DRIVE BELT REPLACEMENT . | ||
| 4.8L, 5.3L, & 6.0L | See appropriate figure under DRIVE BELT REPLACEMENT - ACCESSORY (4.8L, 5.3L, AND 6.0L ENGINES) , DRIVE BELT REPLACEMENT - ACCESSORY (5.3L ENGINE W/RPO HP2) or DRIVE BELT REPLACEMENT - AIR CONDITIONING . | ||
| 6.6L | See appropriate figure under DRIVE BELT REPLACEMENT . | ||
| 8.1L | See figure under DRIVE BELT REPLACEMENT - ACCESSORY or DRIVE BELT REPLACEMENT - AIR CONDITIONING . | ||
| Engine Cooling | |||
| General Service Specifications | COOLING SYSTEM DESCRIPTION AND OPERATION | ||
| Radiator Cap Pressure | Radiator cap pressure is stamped on cap. | ||
| Thermostat R & I | |||
| 4.3L | THERMOSTAT REPLACEMENT (4.3L ENGINE) | ||
| 4.8L, 5.3L, & 6.0L | ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) | ||
| 6.6L | THERMOSTAT REPLACEMENT (6.6L ENGINE) | ||
| 8.1L | THERMOSTAT REPLACEMENT (8.1L ENGINE) | ||
| Water Pump R & I | |||
| 4.3L | WATER PUMP REPLACEMENT (4.3L) | ||
| 4.8L, 5.3L, & 6.0L | WATER PUMP REPLACEMENT (4.8L, 5.3L, AND 6.0L) | ||
| 6.6L | WATER PUMP REPLACEMENT (6.6L) | ||
| 8.1L | WATER PUMP REPLACEMENT (8.1L) | ||
| Engine Mechanical | |||
| 4.3L | |||
| Compression | ENGINE COMPRESSION TEST | ||
| Oil Pressure | 6 psi (42 kPa) at 1,000 RPM 18 psi (125 kPa) at 2,000 RPM 24 psi (166 kPa) at 4,000 RPM |
||
| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 4.8L, 5.3L, & 6.0L | |||
| Compression | ENGINE COMPRESSION TEST | ||
| Oil pressure Minimum - Hot |
6 psig (41 kPa) at 1,000 RPM 18 psig (124 kPa) at 2,000 RPM 24 psig (165 kPa) at 4,000 RPM |
||
| Overhaul | ENGINE MECHANICAL SPECIFICATIONS (LR4 VIN V) , ENGINE MECHANICAL SPECIFICATIONS (LM7 VIN T) , ENGINE MECHANICAL SPECIFICATIONS (L33 VIN B) , ENGINE MECHANICAL SPECIFICATIONS (L59 VIN Z) , ENGINE MECHANICAL SPECIFICATIONS (LQ4 VIN U) or ENGINE MECHANICAL SPECIFICATIONS (LQ9 VIN N) | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 6.6L | |||
| Compression | ENGINE COMPRESSION TEST | ||
| Oil pressure | 14 psi (98 kPa) minimum - hot at idle 42 psi (294 kPa) minimum at 1,800 RPM |
||
| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 8.10L | |||
| Compression | ENGINE COMPRESSION TEST | ||
| Oil pressure | 5 psi (34 kPa) minimum at 1,000 RPM 10 psi (69 kPa) minimum at 2,000 RPM |
||
| 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 | |||
| 4.3L | 74 Ft. Lbs. (100 N.m) | ||
| 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) | ||
| 6.6L - Angular Tightening Method | |||
| First Step | 58 Ft. Lbs. (79 N.m) | ||
| Second Step | 60 degrees | ||
| Third Step | 60 degrees | ||
| 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 | |||
| 4.3L | |||
| Pressure Specification | 55-62 psi (379-427 kPa) | ||
| Fuel Pressure Test Procedure | FUEL SYSTEM DIAGNOSIS | ||
| Fuel Filter Location | Fuel filter is contained in fuel sender assembly inside fuel tank. | ||
| Fuel Filter R & I | FUEL SENDER ASSEMBLY REPLACEMENT | ||
| 4.8L, 5.3L, & 6.0L | |||
| Pressure Specification | 55-62 psi (385-425 kPa) | ||
| Fuel Pressure Test Procedure | FUEL SYSTEM DIAGNOSIS | ||
| Fuel Filter Location | Fuel filter is contained in fuel sender assembly inside fuel tank. | ||
| Fuel Filter R & I | FUEL SENDER ASSEMBLY REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) or FUEL SENDER ASSEMBLY REPLACEMENT (5.3L (L59) ENGINE) | ||
| 6.6L | |||
| Pressure Specification | See Fuel Pressure Test Procedure | ||
| Fuel Pressure Test Procedure | FUEL SYSTEM DIAGNOSIS | ||
| Fuel Filter Location | Fuel filter is located on rocker cover. | ||
| Fuel Filter R & I | FUEL FILTER REPLACEMENT | ||
| 8.1L | |||
| Pressure Specification | 56-62 psi (384-425 kPa) | ||
| Fuel Pressure Test Procedure | FUEL SYSTEM DIAGNOSIS | ||
| Fuel Filter Location | Fuel strainer attaches to lower end of fuel sender. | ||
| Fuel Filter R & I | FUEL SENDER ASSEMBLY REPLACEMENT | ||
| Ignition | |||
| Firing Order & Cylinder Identification | |||
| 4.3L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| 4.8L, 5.3L, & 6.0L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| 6.6L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| 8.1L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | |||
| 4.3L & 8.1L | 1,000 Ohms per ft. | ||
| 4.3L, 4.8L, 5.3L, & 6.0L | 397-1,337 Ohms | ||
| Ignition Wires (Routing) | NA | ||
| Spark Plug | |||
| 4.3L | |||
| Type | AC R41-932 | ||
| Gap | 0.06 In. (1.52 mm) | ||
| Torque | 11 Ft. Lbs. (15 N.m) | ||
| 4.8L, 5.3L, & 6.0L | |||
| Type | AC 25171803 or NGK 12567759 | ||
| Gap | Iridium .040 in. (1.04 mm) Platinum .060 in. (1.52 mm) |
||
| Torque | 11 Ft. Lbs. (15 N.m) | ||
| 6.6L | NA | ||
| 8.1L | |||
| Type | Denso TJ14R-P15 | ||
| Gap | 0.060 In. (1.52 mm) | ||
| Torque | 15 Ft. Lbs. (20 N.m) | ||
| Starting | |||
| Starter | STARTING SYSTEM DESCRIPTION AND OPERATION | ||
| 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) | ||