The second issue concerns the timing chain tensioners which have occasionaly failed resulting in terminal engine damage... In nearly all cases, an engine rattle after a cold start serve as a warning sign what the tensioners are worn and need to be replaced. More on this can be found in an article published in the dec 2003 issue of Classic Jaguar World Magazine which we were allowed to reproduce here on Jag-Lovers (click here for article)
http://www.jag-lovers.org/cjw/#0104aThe link should tell you all you need to know.
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