On this V8 engine, timing chain problems are very common. Because the timing chain tensioners were made from plastic, they can fail prematurely and cause serious engine damage. A noticeable engine noise while idling or during a cold start can indicate a timing chain tensioner problem. The engine noise may also be accompanied by a rough or uneven engine idle. Improved components are available to remedy this problem.
Engine Noise While Idling or After Cold Start on Jaguar XK8
Average mileage: 63,150 (61,300–65,000)
7 people reported this problem
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Viewing 1 - 2 of 2 problem details
Replaced tensioner and Then noise began.
1997 Jaguar XK8 61,300 mi, Visitor
Possible timing chain tensioner problem.