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Vibration 2000 chev silverado 4.3

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by mach47, Jan 10, 2010.

  1. mach47

    mach47 New Member

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    I have a 2000 chev silverado 4.3 . There is a noticeable vibration when truck is idling and in drive (as when stopped at a stop sign).Vibration may still be there when driving but is not noticeable. I just did a tune up ,plugs, wires, rotor and cap , PCV valve air filter and cleaned MAF sensor. Motor seems to run just fine. I have ordered motor mounts and transmission mount from RockAuto .But I really cannot see anything wrong with the original ones.Vibration can be felt on tailpipe and seems to go away when put in park.Any help would be greatly appreciated. Thanks
    #1
  2. Bluewater

    Bluewater New Member

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    Sounds like a vacuum leak. Check all hoses and connections. Good luck. Mine did that when
    the hose under the hood drivers side slid off.
    #2
  3. mach47

    mach47 New Member

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    Vibration

    Thanks Bluewater I will look at vacum hoses this weekend
    #3

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