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What's wrong with my Jaguar XJ?
At 70mph I can hear a distinct noise which is not present at lower speeds. My 2003 Jaguar XJ (2007 model) has done 70,000 miles and drives fine, bar the occasional clunky gear change. Any thoughts on what's causing the noise?
Asked on 20 April 2016 by Martin H
Answered by
Honest John
Might be the transmission. A full transmission fluid change by dialysis by a member of www.fedauto.co.uk may help. But might be one or both of the turbos that get very hot on this engine and the turbo bearing oil feed and oil return pipes may be getting blocked with carbon, restricting oil supply to the turbos.
Tags:
unexplained noises
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