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My 08 developed a rattle!

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by branchero, Aug 21, 2008.

  1. branchero

    branchero Enjoys infuriating Jill

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    Week-old 08 package 5.

    The rattle lasts about 3-4 seconds and seems to be coming either from the engine bay or the ventilation system. If you've ever had a leaf stuck in your ventilation system, it sounds like that (but it probably isn't that).

    It usually happens when accelerating from a dead stop or when braking to a complete stop.

    Anyone have a clue what this might be? We're going to bring it back to the dealer for a look this week but I'd rather go armed with some knowledge Prius Chat knowledge.

    Thanks!
     
    #1 branchero, Aug 21, 2008
  2. joel7269

    joel7269 New Member

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    I have a rattle as well on my 08. It last for about 1 sec when the engine (forgot which) starts or stops but I've only heard it happen a couple times.
     
    #2 joel7269, Aug 21, 2008
  3. lesturner

    lesturner Taming the Dragon - Tennessee

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    My '07 had a couple of rattles that we tracked down to the center speaker on top of the front dash (on top of the MFD). A little foam tape quieted that one down.

    The other rattles were the grab handles above the front doors. Still not quite sure how to address those permanently, but a little tap generally quiets them for a while....

    Les ---
     
    #3 lesturner, Aug 21, 2008
  4. Patrick Wong

    Patrick Wong DIY Enthusiast

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    Are you aware of the noise that the brake pressure accumulator pump makes? If not, make the car READY, then repeatedly press the brake pedal a few times until the pump runs.

    If this noise is the same as the "rattle" that you observed, then you've identified the cause - and this is normal.
     
    #4 Patrick Wong, Aug 21, 2008
  5. branchero

    branchero Enjoys infuriating Jill

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    That's exactly what it was. Thanks!
     
    #5 branchero, Aug 21, 2008
  6. kazots

    kazots LifesaBeach

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    Thanks I will check those things out also.
     
    #6 kazots, Aug 21, 2008
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