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 MANUALSJEEP2008COMMANDER OVERLAND, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (3.7L ENGINE (SERVICE INFORMATION))VALVE TIMINGSTANDARD PROCEDURETIMING VERIFICATIONNOTES

2008 Jeep Commander Overland, 4WD

Timing Verification: Notes

2008 Jeep Commander Overland, 4WDSECTION Notes

WARNING: This page is about a different variant/trim than selected.

Fig 1: Engine Top Dead Center (TDC) Indicator Mark

Courtesy of CHRYSLER LLC

1 - TIMING CHAIN COVER

2 - CRANKSHAFT TIMING MARKS

CAUTION: The 3.7L is a non free-wheeling design engine. Therefore, correct engine timing is critical.

RENDER: 1.0x

NO RELATED

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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.