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Timing chain adjuster

\015 Hi,have a New Zealand new Jag Sov 1998 4 ltr v8,have been warned about my jags plastic timing chain adjuster breaking causing major damage,how do i check this,even to tell my garage guys,never heard about this till a few days back,the car has travelled 65000 mls with no problems to date.Many thanks for your time...Barry\015 Posted / edited by AnonymousUser on : 22-02-2021

Answers :

I'm not sure what model your Jag is but, for the XL8+ there is a TSB/Recalls (Technical Service Bulletin) for:\015\012
\015\012\015\012NOISE DURING START UP - INSTALL REVISED TIMING CHAIN TENSIONERS:\015\012
\015\012\015\012Some vehicles within the above VIN range may experience a rattling noise when the engine is started. This noise may be caused by the secondary timing chain tensioners. Research has shown that a noise can originate at the chain tensioners to cause a resonance in another part of the engine.\015\012
\015\012A revised, spring assisted, secondary timing chain tensioner has been introduced to eliminate this concern, commencing at engine No. 98102106XX. Introductory VINs are not yet available. In case of a customer complaint, the revised tensioners may be installed on earlier V8 engines.\015\012
But then again, I'm not sure exactly of your model, if you get back to me with the exact model, I can check for any TSB/Recalls for you :)
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