Common Specs & Procedures
GRAND CHEROKEE COMMON SPECS & PROCEDURES
| System | Specification/Procedure | ||
|---|---|---|---|
| Air Conditioning | |||
| Service | A/C SYSTEM | ||
| Torque | TORQUE SPECIFICATIONS | ||
| Axle Nut/Hub Nut | |||
| Front | 229 ft. lbs. (310 N.m) | ||
| Rear | 229 ft. lbs. (310 N.m) | ||
| Battery | BATTERY | ||
| Brakes | |||
| Bleeding Sequence | |||
| Base Brakes | MANUAL BLEEDING | ||
| Antilock Brakes | STANDARD PROCEDURE - ABS SYSTEM BLEEDING | ||
| Disc Brakes | |||
| Service Specifications | SPECIFICATIONS | ||
| Torque | Base Brakes: TORQUE SPECIFICATIONS Antilock Brakes: TORQUE SPECIFICATIONS |
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| Drum Brakes | |||
| Service Specifications | N/A | ||
| Torque | N/A | ||
| Charging | |||
| Generator | GENERATOR RATINGS | ||
| Torque | TORQUE | ||
| Drive Belts | |||
| Adjustment | Serpentine belt used, not adjustable. | ||
| Drive Belt Routing | Refer to appropriate "Belt Routing" figure under INSTALLATION | ||
| Engine Cooling | |||
| General Service Specifications | SPECIFICATIONS | ||
| Radiator Cap Pressure | 16-20 psi (110 to 138 kPa) | ||
| Thermostat R & I | REMOVAL | ||
| Water Pump R & I | REMOVAL | ||
| Engine Mechanical | |||
| 3.0L Diesel | |||
| Compression | CYLINDER COMPRESSION TEST | ||
| Oil Pressure | 0.7 Bar (10 psi.) at Idle, 2.5 Bar (36 psi) at 3800 RPM | ||
| Overhaul | ENGINE SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| 3.6L | |||
| Compression | Compression should not be less than 689 kPa (100 psi) and not vary more than 25 percent from cylinder to cylinder. | ||
| Oil pressure | Refer to OIL PRESSURE table under ENGINE SPECIFICATIONS . | ||
| Overhaul | ENGINE SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| 5.7L | |||
| Compression | Compression should not be less than 689 kPa (100 psi) and not vary more than 25 percent from cylinder to cylinder. | ||
| Oil pressure | At Curb Idle Speed (MIN): 4 psi (25 kPa), @ 3000 RPM: 25-110 psi (170-758 kPa).
CAUTION:
If pressure is zero at curb idle, DO NOT run engine.
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| Overhaul | ENGINE SPECIFICATIONS | ||
| Torque | TORQUE SPECIFICATIONS | ||
| 6.4L | |||
| Compression | Compression should not be less than 689 kPa (100 psi) and not vary more than 25 percent from cylinder to cylinder. | ||
| Oil pressure | At Curb Idle Speed (MIN): 4 psi (25 kPa), @ 3000 RPM: 25-110 psi (170-758 kPa), If pressure is zero at curb idle, DO NOT run engine. | ||
| Overhaul | ENGINE SPECIFICATIONS | ||
| Torque | TORQUE 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 | |||
| 3.0L Diesel | Refer to INSTALLATION | ||
| Gas, 3.6L, 5.7L & 6.4L | 70 ft. lbs. (95 N.m) | ||
| Fuel System | |||
| Pressure Specification | |||
| 3.0L Diesel | FUEL SYSTEM PRESSURE | ||
| 3.6L, 5.7L & 6.4L | 58 psi +/- 2 psi | ||
| Fuel Pressure Test Procedure | |||
| 3.0L Diesel | Refer to CHECKING THE FUEL DELIVERY SYSTEM | ||
| 3.6L, 5.7L & 6.4L | CHECKING THE FUEL DELIVERY SYSTEM (HARD START) | ||
| Fuel Filter Location | |||
| 3.0L Diesel | Information not available from manufacturer. | ||
| 3.6L, 5.7L & 6.4L | Fuel filters are integrated into the main fuel pump module. | ||
| Fuel Filter R & I | |||
| 3.0L Diesel | FILTER, FUEL | ||
| 3.6L, 5.7L & 6.4L | MODULE, FUEL PUMP | ||
| Ignition | |||
| Firing Order & Cylinder Identification | See FIRING ORDER & CYLINDER IDENTIFICATION article. | ||
| Ignition Wires (Resistance) | Coil On Plug | ||
| Ignition Wires (Routing) | Coil On Plug | ||
| Spark Plug | |||
| 3.6L | |||
| Type | We recommend you use MOPAR Spark Plugs. | ||
| Gap | .043 in. (1.10 mm) | ||
| Torque | 15 ft. lbs. (20 N.m) | ||
| 5.7L | |||
| Type | We recommend you use MOPAR Spark Plugs. | ||
| Gap | .031 in. (.8 mm) | ||
| Torque | 18 ft. lbs. (25 N.m) | ||
| 6.2L | |||
| Type | We recommend you use MOPAR Spark Plugs. | ||
| Gap | .043 in. (1.10 mm) | ||
| Torque | 18 ft. lbs. (25 N.m) | ||
| 6.4L | |||
| Type | We recommend you use MOPAR Spark Plugs. | ||
| Gap | .043 in. (1.10 mm) | ||
| Torque | 11 ft. lbs. (15 N.m): Torque critical tapered design. Do not exceed 15 ft. lbs. (21 N.m). | ||
| Starting | |||
| Torque | TORQUE SPECIFICATION | ||
| Wheel Alignment | |||
| Adjustment Specifications | TECHNICAL SPECIFICATIONS | ||
| Torque | Front: SPECIFICATIONS Rear: TORQUE SPECIFICATIONS |
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| Wheel & Tire | |||
| Wheel Lug Nut Torque | SRT: 110 ft. lbs. (149 N.m) Non SRT: 130 ft. lbs. (176 N.m) |
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