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  1. C

    Noisy Power steering/Brakes when Hot

    Noisy Hydroboost So You think most probably the PS pump is the cause? Braking and steering seem to be normal all the time , but something gets warm and starts to whine whenever the wheel is turned or the brakes applied . The noise doubles if you apply brakes going into a corner . PS pump looks...
  2. C

    Noisy Power steering/Brakes when Hot

    Hi there, I'm new to the forum and also new to the world of Duramax I Know this has probably been answered a few times but I haven't been able to find the answer. I have an 05 duramax After climbing a long hill (Initially I thought it was Altitude related) or pulling a 5th wheel for a while the...