'98 jeep cherokee clicking noise

Discussion in 'General Motoring' started by pregno, Dec 13, 2006.

  1. pregno

    pregno Guest

    i bought a 98 jeep cherokee sport 4.0 liter 18 months ago from a
    dealership and have had no major problems with it. i got the front cv
    joints replaced and had a bar under the motor replaced that made a
    click noise when i turned. recently i have heard this clicking noise
    when i accelerate like the fan scraping up against a piece of metal. i
    could start up the car and not have a noise but sometimes when i left
    it running to long it would start clicking. two days ago i warmed it
    up in the morning and when i got in it was clicking, but i left it
    idoling so i was taking a chance that it would click and usually after
    i turn the engine off for a few hours it will stop. well it has not
    stopped. it has gotten ten times worse. now when i turn the car on i
    get this obnoxious clicking noise that only gets worse as i acclerate,
    it clicks faster as i accelerate. but when i reach 45-50 mph it
    completely stops and will not click over 45. then if i bring it down
    again it starts doing it again. it clicks with the shifting of the
    engine when i hear the engine shift i hear the clicking shift with it.
    i have read up a little and have a feeling it could be the timing belt,
    but people say something about a timing chain??? i have a belt i think?
    well i have tried my best to explain what went wrong with detail and as
    percisely as possible, please help...
     
    pregno, Dec 13, 2006
    #1
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  2. pregno

    Bill Putney Guest

    One possibility: Exhaust or intake leak - they tend to come and go with
    engine temperature changes, get worse and less temperature dependent as
    time goes on (particularly exhaust leaks as the leak burns bigger and
    bigger), and are acceleration dependent.

    Bill Putney
    (To reply by e-mail, replace the last letter of the alphabet in my
    address with the letter 'x')
     
    Bill Putney, Dec 14, 2006
    #2
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  3. pregno

    oldcarnut Guest

    Take a look inside the fan shroud to see if the fan is touching the
    radiator - with the engine off, of course. We had a similar issue with
    our '95 Cherokee and the motor mount was broken, allowing the engine
    position to shift and just barely scrape the radiator. We replaced the
    right mount and that corrected it.
    Good luck.
     
    oldcarnut, Dec 14, 2006
    #3
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