Question about 1987 Jaguar XJ6

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1987 xj6 ticking noise from right side of engine

Car was stored for five years

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  • mikey875 Apr 24, 2009

    sorry did not mean to sound rude thanks mickey



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My guess would be a sticking valve lifter. Buy a can of Gunk Motor Flush ( NOT radiator flush), use as directed, drain the oil and replace the filter, refill with clean oil, and see is the tick has gone away. Marvel Mystery Oil would work also if you can't find the Gunk.

Posted on Apr 23, 2009

  • Fahr Quad Apr 24, 2009

    Mikey 875,
    Did you try my solution? If you did and it didn't work, a "Thanks for Trying" would have been more appropriate. Don't you think the "Inappropriate" rating is just a little bit harsh? I and the others who respond to user questions are for the most part unpaid volunteers whose only reward is the satisfaction of having helped someone. Could you please reconsider your rating?


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The 1987 jaguar 4.2 xj6 has adjustment shims not lifters. The valves may need adjustment,or if it is on the exhaust side of the head it could be the tappet block seat, which a stake down kit would take care of.When the timming chain is out of adjustment it can also make a ticking noise, it would be in the front of the engine.

Posted on Jun 06, 2009

  • daniel83 Oct 21, 2010

    The brake booster pump will sound like a tick tick tick - pause - tick tick tick - pause ... when it is getting noisy... found near the front right hand head-light but back about a foot. Pick it up and feel it pulsing.



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Is it the main engine or the heads? Try having a mechanic take a look at it, your problem could be serious or your tappids might need alittle readjusting.

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