Common Specs And Procedures Index
IMPALA COMMON SPECS AND PROCEDURES
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | Approximate Fluid Capacities | ||
| Torque | Fastener Specifications | ||
| Axle Nut/Hub Nut | |||
| Front | First Pass: 150 N.m (111 lb ft) Second Pass: Loosen 45 degrees Last Pass: 250 N.m (185 lb ft) |
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| Battery | Battery Inspection/Test , or Battery Electrical Drain/Parasitic Load Test | ||
| Brakes | |||
| Bleeding Sequence | RIGHT REAR, LEFT REAR, RIGHT FRONT, LEFT FRONT Manual
See Hydraulic Brake System Bleeding (Manual)
. Pressure See Hydraulic Brake System Bleeding (Pressure) . |
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| Disc Brakes | |||
| Service Specifications | Disc Brake Component Specifications | ||
| Torque | Fastener Specifications | ||
| Charging | |||
| Generator | Charging System TestGenerator Replacement (LFX) | ||
| Torque | Fastener Specifications | ||
| Drive Belts | |||
| Adjustment | Serpentine belt used, not adjustable | ||
| Drive Belt Routing | See figure Drive Belt Replacement for 3.6L. | ||
| Engine Cooling | |||
| General Service Specifications | Specifications | ||
| Radiator Cap Pressure | Pressure stamped on cap | ||
| Thermostat R & I | |||
| 3.6L | Engine Coolant Thermostat Housing Replacement (LFX) | ||
| Water Pump R & I | |||
| 3.6L | Water Pump Replacement (LFX) | ||
| Engine Mechanical | |||
| 3.6L | |||
| Compression | Turbocharger equipped engines. No cylinder reading should be less than 690 kPa (100 psi). The lowest reading should not be less than 70 percent of the highest reading. Non-Turbocharger equipped engines - No cylinder reading should be less than 965 kPa (140 psi). See Engine Compression Test |
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| Oil Pressure | Minimum @ Idle - 69 kPa (10 psi) Minimum @ 2, 000 RPM - 138 kPa (20 psi) |
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| Overhaul | Engine Mechanical Specifications | ||
| Torque | Fastener 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 | First Pass
- 30 N.m (22 lb ft) Final Pass - additional 45 Degrees |
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| Fuel System | |||
| Pressure Specification | 3.6L Key On, Pump Running
- 345-690 kPa (50-100 psi) 3.6L Engine Running - Scan Tool Reading 300-400 kPa (43-58 psi) |
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| Fuel Pressure Test Procedure | Circuit/System Verification . | ||
| Fuel Filter Location | Fuel filter is part of the fuel tank fuel pump module. (Gas) Multiple Fuel Filters (CNG) See R&I |
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| Fuel Filter R & I (GAS) | 3.6L Fuel Tank Fuel Pump Module Replacement (NTB, NUB, or N5B)
or 3.6L Fuel Tank Fuel Pump Module Replacement (NUG, NE8) |
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| Ignition | |||
| Firing Order & Cylinder Identification | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | Individual Ignition Coil/Module Assemblies | ||
| Ignition Wires (Routing) | |||
| 3.6L | Coil on plug. | ||
| Spark Plug | |||
| 3.6L (Refer to Electronic Parts Catalog) | |||
| Gap | 0.0375-0.0433 in (0.95-1.10 mm) | ||
| Torque | 18 N.m (13 lb ft) | ||
| Starting | |||
| Starter | Starter Replacement (LFX) | ||
| Torque | Fastener Specifications | ||
| Wheel Alignment | |||
| Adjustment Specifications | Wheel Alignment Specifications | ||
| Torque | Fastener Specifications | ||
| Wheel & Tire | |||
| Wheel Lug Nut Torque | 150 N.m (111 lb ft) For tightening sequence, see Wheel Nut Tightening Sequence figure under Installation Procedure . |
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