Specifications Index
STS SPECIFICATIONS INDEX
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | REFRIGERANT SYSTEM CAPACITIES | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Axle Nut/Hub Nut | |||
| Front | 118 lb ft (160 N.m) | ||
| Rear | 159 ft lbs (215 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 (JE5, JL9) or DISC BRAKE COMPONENT SPECIFICATIONS (J56) HEAVY DUTY | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Charging | |||
| Generator | GENERATOR USAGE | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| Drive Belts | |||
| Adjustment | Serpentine drive belts are not adjustable | ||
| Belt Routing | 3.6L See illustrations under WATER PUMP AND GENERATOR BELT REPLACEMENT
or AIR CONDITIONING COMPRESSOR AND POWER STEERING PUMP BELT REPLACEMENT 4.4L See illustrations under GENERATOR DRIVE BELT REPLACEMENT , WATER PUMP AND AIR CONDITIONING COMPRESSOR AND POWER STEERING PUMP BELT REPLACEMENT and SUPERCHARGER BELT REPLACEMENT 4.6L See illustrations under GENERATOR DRIVE BELT REPLACEMENT or WATER PUMP AND AIR CONDITIONING COMPRESSOR AND POWER STEERING PUMP BELT REPLACEMENT |
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| Engine Cooling | |||
| General Service Specifications | NA | ||
| Radiator Cap Pressure | Specification is stamped on pressure cap | ||
| Thermostat R & I | |||
| 3.6L | ENGINE COOLANT THERMOSTAT REPLACEMENT (LY7) | ||
| 4.4L | ENGINE COOLANT THERMOSTAT REPLACEMENT (LC3) | ||
| 4.6L | ENGINE COOLANT THERMOSTAT REPLACEMENT (LH2) | ||
| Water Pump R & I | |||
| 3.6L | WATER PUMP REPLACEMENT (LY7, LLT) | ||
| 4.4L | WATER PUMP REPLACEMENT (LC3) | ||
| 4.6L | WATER PUMP REPLACEMENT (LH2) | ||
| Engine Mechanical | |||
| 3.6L | |||
| Compression | No cylinder reading should be less than 140 psi (965 kPa). The lowest reading should not be less than 70 percent of the highest reading. ENGINE COMPRESSION TEST |
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| Oil Pressure | Oil Pressure - Minimum @ Idle 10 psi (69 kPa) Oil Pressure - Minimum @ 2,000 RPM 20 psi (138 kPa) |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 4.4L | |||
| Compression | No cylinder reading should be less than 140 psi (965 kPa). The lowest reading should not be less than 70 percent of the highest reading. ENGINE COMPRESSION TEST |
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| Oil Pressure | Oil Pressure - Minimum @ Idle 5 psi (35 kPa) Oil Pressure - Minimum @ 2,000 RPM 35 psi (250 kPa) |
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| Overhaul | ENGINE MECHANICAL SPECIFICATIONS | ||
| Torque | FASTENER TIGHTENING SPECIFICATIONS | ||
| 4.6L | |||
| Compression | No cylinder reading should be less than 140 psi (965 kPa). The lowest reading should not be less than 70 percent of the highest reading. ENGINE COMPRESSION TEST |
||
| Oil pressure | Oil Pressure - Minimum @ Idle 5 psi (35 kPa) Oil Pressure - Minimum @ 2,000 RPM 35 psi (250 kPa) |
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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 | |||
| 3.6L | |||
| Step 1 | 22 ft lb (30 N.m) | ||
| Final Step | + an additional 45 degrees | ||
| 4.4L & 4.6L | |||
| Step 1 | 22 ft lb (30 N.m) | ||
| Final Step | + an additional 50 degrees | ||
| Fuel System | |||
| Pressure Specification | 3.6L 55-60 psi (380-410 kPa) 4.4L & 4.6L 55-62 psi (384-425 kPa) |
||
| Fuel Pressure Test Procedure | 3.6L See FUEL PRESSURE GAGE INSTALLATION AND REMOVAL (LP1, LY7)
and FUEL SYSTEM DIAGNOSIS 4.4L See FUEL PRESSURE GAGE INSTALLATION AND REMOVAL and FUEL SYSTEM DIAGNOSIS 4.6L See FUEL PRESSURE GAGE INSTALLATION AND REMOVAL and FUEL SYSTEM DIAGNOSIS |
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| Fuel Filter Location | 3.6L See illustration under R & I below 4.4L See illustration under R & I below 4.6L See illustration under R & I below |
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| Fuel Filter R & I | 3.6L See FUEL FILTER REPLACEMENT 4.4L See FUEL FILTER REPLACEMENT 4.6L See FUEL FILTER REPLACEMENT |
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| Ignition | |||
| Firing Order & Cylinder Identification | |||
| 3.6L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| 4.4L & 4.8L | FIRING ORDER & CYLINDER IDENTIFICATION | ||
| Ignition Wires (Resistance) | Coil On Plug | ||
| Ignition Wires (Routing) | Coil On Plug | ||
| Spark Plug | |||
| 3.6L (Type AC 41-990) | |||
| Gap (Non-Adjustable | 0.044 in (1.10 mm) | ||
| Torque | 15 lb ft (20 N.m) | ||
| 4.4L (Type GM 12592619) | |||
| Gap | 0.040 in (1.02 mm) | ||
| Torque | 11 lb ft (15 N.m) | ||
| 4.6L (Type GM 12571535) | |||
| Gap | 0.050 in (1.27 mm) | ||
| Torque | 11 lb ft (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) | ||