5000CSTQ Rear Differential Howling

[Denis]

  The 17mm Allen plug is located on the helper side( right) up from the CV joint
  The best lub is Castrol Sythec diff oil: 75W90

  Remove all the oil left;plug is under the diff. Be careful, its hard, use heat the plug couple of hammer tock then unbolt it with a good 17mm Allen  box.

  Ðenis
    ----- Original Message ----- 
    From: Louis A. Mulieri 
    To: quattro at audifans.com 
    Sent: Saturday, November 20, 2004 7:54 AM
    Subject: Re: 5000CSTQ Rear Differential Howling


    Hi,
    My '88 5KCSTQ has developed a howling that shifts around in 
    frequency and rhythm that sounds like a dry rear differential. I tried to 
    find a filler plug on the housing but it is completely obstructed on both 
    sides. There are 2 plugs in bottom of housing.
    Is there a filler plug somewhere on side? Where? What type/weight 
    gear lube is appropriate? Thanks for help and advice.

    Lou Mulieri
    Hinesburg, VT


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