Jeep patriot 2.2 crd 2011 knocking

Asked by Nov 06, 2016 at 05:14 PM about the 2011 Jeep Patriot Base 4WD

Question type: Maintenance & Repair

I just bought a jeep patriot with Mercedes engine OM651 2.2. The engine is knocking very bad while accelerating. I don't know the service history of the car.

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I believe is the timing chain a tooth wrong or chain tensioner.

OM651 chain is behind engine and must take out the engine to check.

Any ideas? :confused:

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