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Thread: Noise on start up

  1. #1
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    Unhappy Noise on start up

    After replacing just about every sensor on this car due to other faults, i have now noticed (started today) a quick rattle when i started the car (about 3 secs) . so i turned engine off and never done it again. but looking into this it appears to be the chain from what i can see...whats involved in checking to see what may be causing this.

    Getting real P**sed off with this car

    Please help

  2. #2
    Regular Member benny's Avatar
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    i would be checking the tenstioner out ....they have been known to stick ...might be a idea to check the timing to see if it hasnt jumped ... .......

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    Thanks benny, maybe thats the reason my car still runs like crap after replaing near enough the whole engine.

    I looked at autodata and is not overly clear, does the chain have markings corresponding to the cam?

    Do you need speacial tools for checking the tension and timing.


    BTW Cheers for the speedy reply

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    the chain has got marks on it that do line up with marks on the cam pulleys but it takes a few reveelutions (sp) to line em up ......best way to check is look at the bottom pulley it has a mark that lines up with a mark on the cover at about 11 oclock the the cam lobes on number 4 cylinder mine up with there inner mouting bolts ...so inlet cam points to 11 oclock and the exh points to the 1 oclock mark ....

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    Thanks benny.

    Is it usual for a the yh engine to have this problem at 51,000 miles

    there is no apparent misfire. sounds a little lumpy and seems to struggle mid-high range speeds. I was going to get the egr blanking plates but now it appears i may need to check this first.

    What would the symptoms be if it jumped 1 tooth, (i dont know what the tolerances are like on this engine) presume if it jumps anymore, for example 2 or 3 would there be valve damage.
    Last edited by andyb28; 11th April 2010 at 21:34.

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