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yes it is repace tentioners on the timing chain and remove uper chain gard
Belt mate.
Gears
Engine code X22DTH This engine is fitted with a timing chain
BELT
All Jeep 4.0L have a timing chain. It is only changed if excessively worn or damaged.
Generally the answer is no this is not a normal maintence item the timing system on a 22 R lasts for many miles well over 200,000 however....If you have the front of the engine dis-assembled and upon inspection find loose and worn parts definitely replace the chain and any wear blocks ,tentioners or gears associated with the chain.
Chrysler's Eagle Vision sports sedan shipped with either a timing belt or chain, depending on the engine installed in the vehicle. The 3.5 liter engine uses a belt, while the smaller 3.3 liter engine contains a timing chain.
Timing Chain
timing chain timing chain
timing chain timing chain
timing chain timing chain