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The normal timing belt replacement for these vehicles is 80 to 100k however its best if you don't repair your own vehilce, to get this done early (80,000 miles or 128,000 kilometers). The early PT cruiser 2.4 (Chrysler engine) is an interference engine which could be damaged if the timing belt were to break. Therefore its best to get to this job early in order to avoid any potential failures. If you are purchasing this vehicle used and have no idea when the belt and its bits were last changed, its best to go ahead and have them replaced as soon as possible. Well maintained versions of these engines should last into the multiple hundreds of thousands of miles.

Because the engine mounting has to be removed and various bits taken off the front of the engine, in order to gain access to the timing belt itself, its wise to change the belt, and all of the wearing bits which are driven by it. (the belt roller bearings (including the tensioner) and the water pump (driven by the timing belt).

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9y ago
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Q: When should you replace the timing belt on a 2007 Chrysler PT Cruiser?
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