Specifications Index
EXPRESS & SAVANA SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM CAPACITIES | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Axle Nut/Hub Nut | 155 Ft. Lbs. ( 210 N.m) | ||
| Battery | BATTERY USAGE | ||
| Brakes | |||
| Bleeding Sequence | RR, LR, RF, LF | ||
| Disc Brakes | DISC BRAKE COMPONENT SPECIFICATIONS | ||
| Drum Brakes | NA | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Charging | |||
| Generator | GENERATOR USAGE | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | NA | ||
| Belt Routing | |||
| 4.3L | See appropriate figure under INSTALLATION PROCEDURE in Drive Belt Replacement. | ||
| 4.8L, 5.3L & 6.0L | See appropriate 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) | ||
| 4.8L, 5.3L & 6.0L | NA | ||
| Water Pump R & I | |||
| 4.3L | WATER PUMP REPLACEMENT (4.3L ENGINE) | ||
| 4.8L, 5.3L & 6.0L | WATER PUMP REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) | ||
| 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 |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 4.8L, 5.3L & 6.0L | |||
| Compression | ENGINE COMPRESSION TEST | ||
| Oil pressure | 6 psig (41 kPa) at 1,000 RPM 18 psig (124 kPa) at 2,000 RPM 24 psig (165 kPa) at 4,000 RPM |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS (LR4 VIN V) ENGINE MECHANICAL SPECIFICATIONS (LM7 VIN T) ENGINE MECHANICAL SPECIFICATIONS (LQ4 VIN U) |
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| 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) | ||
| Fuel System | |||
| Pressure Specification | |||
| 4.3L | 55-62 psi (379-427 kPa) | ||
| 4.8L, 5.3L & 6.0L | 62 psi (427 kPa) | ||
| 6.0L (CNG) | 130-200 psi (896-1379 kPa) | ||
| Fuel Pressure Test Procedure | |||
| 4.3L | FUEL SYSTEM DIAGNOSIS | ||
| 4.8L, 5.3L & 6.0L | FUEL SYSTEM DIAGNOSIS | ||
| 6.0L (CNG) | FUEL SYSTEM DIAGNOSIS | ||
| Fuel Filter Location | |||
| 4.3L, 4.8L, 5.3L & 6.0L | Fuel filter is contained in fuel sender assembly inside fuel tank. | ||
| 6.0L (CNG) | In-line fuel filter is located under vehicle between high pressure regulator and low pressure lock-off (LPL) solenoid. | ||
| Fuel Filter R & I | |||
| 4.3L | FUEL FILTER REPLACEMENT (PASSENGER/CARGO VAN) or FUEL FILTER REPLACEMENT (CUTAWAY VAN) | ||
| 4.8L, 5.3L & 6.0L | FUEL SENDER ASSEMBLY REPLACEMENT | ||
| 6.0L (CNG) | FUEL FILTER REPLACEMENT (PASSENGER/CARGO) or FUEL FILTER REPLACEMENT (CUTAWAY) | ||
| Ignition | |||
| Firing Order & Cylinder Identification | |||
| 4.3L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| 4.8L, 5.3L & 6.0L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 4.3L, 4.8L, 5.3L & 6.0L1,000 Ohms per ft. | ||
| 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 Delco 41-985 or GM 12571164 | ||
| Gap | Iridium .040 in. (1.04 mm) Platinum .060 in. (1.52 mm) |
||
| Torque | 11 Ft. Lbs. (15 N.m) | ||
| Starting | |||
| Starter | BATTERY 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) | ||