Common Specs & Procedures Index
EXPRESS & SAVANA SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Axle Nut/Hub Nut | |||
| Front | 155 ft. lbs. (210 N.m) | ||
| Battery | BATTERY USAGE | ||
| Brakes | |||
| Bleeding Sequence | RR-LR-RF-LE. See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL) | ||
| Disc Brakes | |||
| Service Specifications | DISC BRAKE COMPONENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS |
||
| Charging | |||
| Generator | GENERATOR USAGE | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | Serpentine drive belts are not adjustable | ||
| Belt Routing | |||
| 4.8L, 5.3L & 6.0L | See illustrations under DRIVE BELT REPLACEMENT - ACCESSORY . | ||
| 6.6L | See illustrations under DRIVE BELT REPLACEMENT . | ||
| Engine Cooling | |||
| General Service Specifications | SPECIFICATIONS | ||
| Radiator Cap Pressure | Specification is stamped on pressure cap | ||
| Thermostat R & I | |||
| 4.8L, 5.3L & 6.0L | ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (V8) | ||
| 6.6L | ENGINE COOLANT THERMOSTAT REPLACEMENT (DIESEL) | ||
| Water Pump R & I | |||
| 4.8L, 5.3L & 6.0L | WATER PUMP REPLACEMENT (V8) | ||
| 6.6L | WATER PUMP REPLACEMENT (DIESEL) | ||
| Engine Mechanical | |||
| 4.8L & 5.3L | |||
| 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 |
||
| Oil Pressure | Oil Pressure - at 1, 000 RPM 6 psi (41 kPa) Oil Pressure - at 2, 000 RPM 18 psi (124 kPa) Oil Pressure - at 4, 000 RPM 24 psi (166 kPa) |
||
| Overhaul | 4.8L ENGINE MECHANICAL SPECIFICATIONS (RPO L20 VIN A) 5.3L ENGINE MECHANICAL SPECIFICATIONS (RPO LMF VIN 4) |
||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 6.0L | |||
| 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 |
||
| Oil Pressure | Oil Pressure - at 1, 000 RPM 6 psi (41 kPa) Oil Pressure - at 2, 000 RPM 18 psi (124 kPa) Oil Pressure - at 4, 000 RPM 24 psi (165 kPa) |
||
| Overhaul | See appropriate application ENGINE MECHANICAL SPECIFICATIONS (RPO LC8 VIN B) k | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 6.6L | |||
| Compression | Minimum compression in any one cylinder is 2069 kPa (300 psi) There should not be more than 345 kPa (50 psi) difference from the average compression See ENGINE COMPRESSION TEST . |
||
| Oil pressure | Minimum- Hot - at idle 7 psi (48 kPa) Minimum - 1800 RPM 28 psi (193 kPa) |
||
| Overhaul | See ENGINE MECHANICAL SPECIFICATIONS . | ||
| Torque | 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 Plate Torque | |||
| 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 | |||
| First Pass | 58 ft. lbs. (79 N.m) | ||
| Second Pass | plus an additional 60 degrees | ||
| Final Pass | plus an additional 60 degrees | ||
| Fuel System | |||
| Pressure Specification | 4.8L & 5.3L 50-60 psi (345-414 kPa) 6.0L 50-60 psi (345-414 kPa) 6.6L See Test Procedure below |
||
| Fuel Pressure Test Procedure | |||
| 4.8L, 5.3L & 6.0L | FUEL SYSTEM DIAGNOSIS | ||
| 6.6L | FUEL SYSTEM DIAGNOSIS | ||
| Fuel Filter Location | |||
| 4.8L, 5.3L & 6.0L | The fuel filter is contained in the fuel sender/module assembly inside the fuel tank. | ||
| 6.6L | There are 2 fuel filters, a cartridge style located in the diesel fuel conditioning module (DFCM) and a screw-on style fuel filter. | ||
| Fuel Filter R & I | |||
| 4.8L, 5.3L & 6.0L | FUEL TANK FUEL PUMP MODULE REPLACEMENT | ||
| 6.6L | FUEL FILTER REPLACEMENT | ||
| Ignition | |||
| Firing Order & Cylinder Identification | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | |||
| 4.8L & 5.3L | 1, 200-1, 500 ohms per Ft. | ||
| 6.0L | 397-1, 337 ohms per Ft. | ||
| 6.6L | This application is a diesel engine not requiring spark plug wire. | ||
| Ignition Wires (Routing) | |||
| 4.8L, 5.3L & 6.0L | See illustrations under SPARK PLUG WIRE REPLACEMENT | ||
| 6.6L | This application is a diesel engine not requiring spark plug wires. | ||
| Spark Plug | |||
| 4.8L & 5.3L (Type GM P/N 12607234 or AC Delco P/N 41-993) | |||
| Gap | 0.040 in (1.025 mm) | ||
| Torque | 11 lb ft (15 N.m) | ||
| 6.0L (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 | 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 (See Tightening Pattern under wheel and tire INSTALLATION PROCEDURE | 140 ft. lbs. (190 N.m) | ||