Specifications Index
IMPALA SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM CAPACITIES | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Axle Nut/Hub Nut | |||
| Front | 155 ft. lbs. (210 N.m) | ||
| Battery | BATTERY USAGE | ||
| Brakes | |||
| Bleeding Sequence | RR-LF-LR-RF. 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 & Drive Belt Routing | |||
| Adjustment | Serpentine drive belts are not adjustable | ||
| Drive Belt Routing | 3.5L See illustations under DRIVE BELT REPLACEMENT 3.9L See illustations under DRIVE BELT REPLACEMENT 5.3L See illustations under DRIVE BELT REPLACEMENT - ACCESSORY |
||
| Engine Cooling | |||
| General Service Specifications | NA | ||
| Radiator Cap Pressure | Specification is stamped on pressure cap | ||
| Thermostat R & I | |||
| 3.5L & 3.9L | ENGINE COOLANT THERMOSTAT REPLACEMENT (LZE, LZ4, LZG) | ||
| 5.3L | ENGINE COOLANT THERMOSTAT REPLACEMENT (LS4) | ||
| Water Pump R & I | |||
| 3.5L & 3.9L | WATER PUMP REPLACEMENT (LZE, LZ4, LZG) | ||
| 5.3L | WATER PUMP REPLACEMENT (LS4) | ||
| Engine Mechanical | |||
| 3.5L | |||
| Compression | No cylinder reading should be less than 100 psi (689 kPa). The lowest reading should not be less than 70 percent of the highest reading. ENGINE COMPRESSION TEST |
||
| Oil Pressure | Oil Pressure - @ 1850 RPM 30-45 PSI (207-310 kPa) | ||
| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 3.9L | |||
| Compression | No cylinder reading should be less than 100 psi (689 kPa). The lowest reading should not be less than 70 percent of the highest reading. ENGINE COMPRESSION TEST |
||
| Oil pressure | Oil Pressure - @ 1850 RPM 30-45 PSI (207-310 kPa) | ||
| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 5.3L | |||
| Compression | No cylinder reading should be less than 100 psi (689 kPa). The lowest reading should not be less than 70 percent of the highest reading. ENGINE COMPRESSION TEST |
||
| Oil pressure | 6 psig (41 kPa) at 1,000 engine RPM 18 psig (124 kPa) at 2,000 engine RPM 24 psig (165 kPa) at 4,000 engine RPM |
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| 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 | |||
| 3.5L & 3.9L | |||
| A/T | A/T 52 ft. lbs. (70 N.m) | ||
| M/T | First pass 37 ft. lbs. (50 N.m) Final pass + an additional 70 degrees |
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| 5.3L | |||
| 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 | 3.5L & 3.9L 56-62 psi (384-425 kPa) 5.3L 50-60 psi (345-414 kPa) |
||
| Fuel Pressure Test Procedure | 3.5L See FUEL PRESSURE GAGE INSTALLATION AND REMOVAL
and FUEL SYSTEM DIAGNOSIS 3.9L See FUEL PRESSURE GAGE INSTALLATION AND REMOVAL and FUEL SYSTEM DIAGNOSIS 5.3L See FUEL PRESSURE GAGE INSTALLATION AND REMOVAL and FUEL SYSTEM DIAGNOSIS |
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| Fuel Filter Location | 3.5L, 3.9L & 5.3L The fuel strainer attaches to the lower end of the fuel sender/pump module assembly | ||
| Fuel Filter R & I | 3.5L See FUEL SENDER ASSEMBLY REPLACEMENT 3.9L See FUEL TANK MODULE REPLACEMENT 5.3L See FUEL TANK FUEL PUMP MODULE REPLACEMENT |
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| Ignition | |||
| Firing Order & Cylinder Identification | |||
| 3.5L & 3.9L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| 5.3L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | 3.5L 4,044 Ohms per meter (1,236 Ohms per ft) 3.9L 4,060 Ohms per meter (1,237 Ohms per ft) 5.3L 397-1,337 ohms |
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| Ignition Wires (Routing) | |||
| 3.5L | See illustrations under SPARK PLUG WIRE REPLACEMENT | ||
| 3.9L | See illustrations under SPARK PLUG WIRE REPLACEMENT | ||
| 5.3L | Spark plugs wires route directly down from coil to spark plug | ||
| Spark Plug | |||
| 3.5L & 3.9L (Type GM P/N 12591131 or AC Delco #41-100) | |||
| Gap | 0.040 in (1.02 mm) | ||
| Torque | 11 ft. lbs. (15 N.m) | ||
| 5.3L (Type GM P/N 12571164 or AC Spark Plug P/N 41-985) | |||
| Gap | 0.040 in (1.02 mm) | ||
| Torque | 11 ft. lbs. (15 N.m) | ||
| Starting | |||
| Starter | NA | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Wheel Alignment | |||
| Adjustment Specifications | WHEEL ALIGNMENT SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 100 ft. lbs. (140 N.m) | ||