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idling like a dog, what is this?

Discussion in 'VY Holden Commodore (2002 - 2004)' started by BR00T, Feb 15, 2020 at 1:30 PM.

  1. BR00T

    BR00T New Member

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    Jun 11, 2019
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    Holden commodore vy s2
    My car out of nowhere is idling like a dog. spark plugs have been done but not leads. I popped the bonnet with the engine running cause im getting a fair bit of shuddering and then i see the 2nd pully all over the place. Not sure if its normal but it seems to be moving around a bit. What is it and what does it do and is it meant to move like this?

  2. krusing

    krusing Well-Known Member

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    Jun 21, 2014
    Bayside Melbourne 3193
    Members Ride:
    2002 VY L67 Calais Sedan, 2012 VE L77 Calais Wagon
    That is the tension/idler pulley,
    Standard pulley on the L36 & L67 V6's for the accessory belt.
    there is 3 options -
    1. Replace the Bearing [bearing is a 6203RS, approx. $5, also a bearing press required to push old the one out, and the new one in]
    2. Pick one up at the wreckers approx. $8 > $15 depends where you go
    3. Purchase a new one at Supercheap or Repco approx. $35 > $50
    https://www.supercheapauto.com.au/search?vid=oNFBPjPaNgpSPrBe0SokgQ==&q=idler pulley

    It needs to be fixed, because it you throw a belt, you know when it will happen, late at night, or out the BFN,
    Being the most in convenient moment.

    Its a cheap part, but it can stop you from driving the car.

    Hint: If you do one, you do them ALL,
    because sure as eggs, the others will be worn out also.
    Last edited: Feb 15, 2020 at 2:59 PM

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