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High Pitch Squeal????

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 19Jimmy87, Aug 12, 2002.

  1. 19Jimmy87

    19Jimmy87 Registered Member

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    What in the dash can squeal? After about 20mph, it starts squealing, really high pitched. It does not happen when in park and i'm revving it. What do you all think it might be?
     
  2. Sandman

    Sandman 3/4 ton status Author

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    Could it be coming from the engine compartement? Vacuum leak maybe? These can be a real loud squeal. Just guessing.
     
  3. 19Jimmy87

    19Jimmy87 Registered Member

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    It is not really loud. It can only be heard when I let off the Accelerator. It is just high pitched. My wife can't hear it, but it ain't her truck.
     
  4. Batchman

    Batchman Registered Member

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    I had a piece of trim vibrating on my door that made a really high pitched squeal. I had to press on everything with the truck running to see what was doing it. definitly not your average vibrating noise.
     
  5. tipoil

    tipoil 1/2 ton status

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    it may be the spedo.cable that need a good oiling or the speedo is bad.
    to see if that ur problem try to remove the cable from the trany(easyer to remove then the dash)to see if the problem is gone .
     
  6. BLUESMAN

    BLUESMAN 1/2 ton status

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    Willing to bet good $ that it is the speedometer cable...lube it or lose it.Mike
     

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