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 2WD V8-4.7LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESPECIFICATIONSENGINE TORQUE SPECIFICATIONS
2009 Jeep Grand Cherokee 2WD V8-4.7L
Engine Torque Specifications
2009 Jeep Grand Cherokee 2WD V8-4.7LSECTION Engine Torque Specifications
TORQUE
CYLINDER HEAD
Tighten bolts 1 - 10 27 Nm (20 ft. lbs.).
Verify that bolts 1 - 10 have all reached 27 Nm (20 ft. lbs.), by repeating step 1 without loosening the bolts.
Tighten bolts 11 - 14 14 Nm (89 in. lbs.).
Rotate bolts 1 - 10 an additional 90°.
Rotate bolts 1 - 10 an additional 90° again.
Tighten bolts 11 - 14 26 Nm (19 ft. lbs).
HEAD BOLT REUSE/REPLACE
The cylinder head bolts must be examined BEFORE reuse. If the threads are necked down (2) the bolts should be replaced.
INTAKE MANIFOLD
CAMSHAFT BEARING CAP
MAIN BEARING CAP
Tighten bolts 3 Nm (26 in. lbs.)
Tighten bolts 54 Nm (40 in. lbs.)
Rotate bolts 90°
Tighten bolts 23 Nm (20 ft. lbs.)
FLEX PLATE
OIL PUMP
EXHAUST MANIFOLD
Start at the center arm and work outward.
WATER PUMP
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.