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.
2008 Jeep Commander 4WD V6-3.7LFACTORY OEM SERVICE PROCEDURE
Timing Components: Specifications
TIMING CHAIN TENSIONER TORQUE
Timing chain tensioner 28 Nm (250 in. lbs.).
IDLER SPROCKET TORQUE
Idler Sprocket 34 Nm (25 ft.lbs.).
CAMSHAFT SPROCKET
Camshaft sprocket 122 Nm (90 ft.lbs.).
TIMING CHAIN COVER
Timing chain cover in sequence as shown 58 Nm (43 ft. lbs.).
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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