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.
2009 Jeep Commander 4WD V8-5.7LFACTORY OEM SERVICE PROCEDURE
Engine Torque Specifications
TORQUE
TORQUE CHART 5.7L ENGINE
Cylinder Head Torque
Tighten cylinder head bolts 1 through 10 34 Nm (25 ft. lbs.)
Tighten cylinder head bolts 11 through 15 20 Nm (15 ft. lbs.)
Tighten cylinder head bolts 1 through 10 54 Nm (40 ft. lbs.)
Tighten cylinder head bolts 11 through 15 20 Nm (15 ft. lbs.)
Rotate cylinder head bolts 1 through 10 90°
Tighten cylinder head bolts 11 through 15 34 Nm (25 ft. lbs.)
Intake Manifold
Intake Manifold Bolts 12 Nm (105 in.lbs.)
Main Bearing Cap Torque
Tighten main bearing cap bolts to 13 Nm ( 10 ft. lbs.) in the sequence shown.
Tighten main bearing cap bolts to 27 Nm ( 20 ft. lbs.) in the sequence shown.
Rotate main cap bolts an additional 90° in the sequence shown.
Install the crossbolts with new seal washer. Starting with crossbolt A,
Tighten crossbolt to 28 Nm ( 21 ft. lbs.).
Repeat crossbolt tightening procedure.
Flexplate
Oil Pump
Exhaust Manifold
Left Side
Right Side
Factory Service Tools
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.
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