Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2009GRAND CHEROKEE LAREDO, 4.7 P, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCEIGNITION SYSTEMIGNITION CONTROL (SERVICE INFORMATION)SPECIFICATIONSTORQUE
2009 Jeep Grand Cherokee Laredo, 4.7 P, RWD
Ignition Control (Service Information): Specifications: Torque
2009 Jeep Grand Cherokee Laredo, 4.7 P, RWDSECTION Torque
TORQUE SPECIFICATIONS
| DESCRIPTION | N.m | Ft. Lbs. | In. Lbs. |
|---|---|---|---|
| Camshaft Position Sensor - 3.7L | 12 | - | 106 |
| Camshaft Position Sensor - 4.7L | 12 | - | 106 |
| Camshaft Position Sensor - 5.7L | 12 | - | 106 |
| Crankshaft Position Sensor - 3.7L | 28 | 21 | 205 |
| Crankshaft Position Sensor - 4.7L | 28 | 21 | 205 |
| Crankshaft Position Sensor - 5.7L | 12 | 9 | 106 |
| Ignition Coil Mounting - 3.7L | 8 | - | 70 |
| Ignition Coil Mounting - 4.7L*** | 12 | - | 106 |
| Ignition Coil Mounting - 5.7L | 7 | - | 62 |
| * Knock Sensor - 3.7L | 20 | 15 +/- 2 | 176 |
| * Knock Sensor - 4.7L | 20 | 15 +/- 2 | 176 |
| * Knock Sensor - 5.7L | 20 | 15 +/- 2 | 176 |
| Spark Plugs - 3.7L | 27 | 20 | - |
| Spark Plugs - All 4.7L (Upper or lower row) (New plugs/gaskets) | 27 +/- 3 | 20 | - |
| Spark Plugs - All 4.7L (Upper or lower row) (Used plugs/gaskets) | 22 +/- 3 | 16 | - |
| ** Spark Plugs - 5.7L | 18 (± 3) | 13 (± 2) | - |
| Glow Plugs | 12 | - | 106 |
| * Do not apply any sealant, thread-locker or adhesive to bolts. Poor sensor performance may result. | |||
| ** Torque critical tapered design. Do not exceed 15 ft. lbs. | |||
| *** This same bolt is also used to mount the intake manifold. | |||
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.