front end clunk noise fix - easy.

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Suspension, Brakes and Tires Discussion, front end clunk noise fix - easy. in Item Specific Cadillac Discussion; Hey I got lucky on the dreaded front end clunk / noise problem. My top strut mount nut was loose. ...
  1. #1
    Camuchi is offline Cadillac Owners Member
    Automobile(s): 1999 Deville Concours
    Join Date
    Aug 2006
    LA (Lower Alabama)

    Talkingfront end clunk noise fix - easy.

    Hey I got lucky on the dreaded front end clunk / noise problem.

    My top strut mount nut was loose. Pull the rubber cover off of the top strut mount. Under is a big nut on the top of your strut rod, if there is a shiny area around the circumference of the nut on the washer it is loose! Bounce the car while watching the nut / stud assembly I could see the clearance in mine.
    You do need a big Torx socket (T-50) I think to fix - I had one designed for a 3/8 socket , you will also need a big socket for the nut 26 or 27 mm
    I used an 11/16 (guessing at size again-pitiful memory) because I did not have a metric that big.

    Anyway put the big socket on the nut and hold it with vice grips from the side. Then insert the T-50 torx bit through the opening on the big socket and turn ratchet COUNTER-CLOCKWISE (as if you were loosening it) this causes the strut rod to rotate up into the nut and tighten itself.
    Remove tools bounce and observe- if loose tighten more.

    Could also likely perform with an impact wrench on nut itself -i did not try that method.

    TA-DA clunk gone- retire to garage fridge for beverage reward of choice!

    I hope someone else can get lucky with this fix. -Matt

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  3. #2
    C170B is offline Cadillac Owners Fanatic
    Automobile(s): '64 Cpe Deville, '94 Concour,2012 Prius C, 2010 RAM 1500 red
    Join Date
    Jan 2004
    St.Louis, MO

    Re: front end clunk noise fix - easy.

    I am glad you posted this info.

    94 Concour N* w same front end cluck.

    Many posts say 94 has antisway bar end links that all need replacing. However I am hearing a clunk sound that seems to orginate high up in the
    strut mounting area of unibody.

    Dealer parts guy says it may be a cushion biscuit that is broken . 100.00 EACH.

    Will check out your suggestion.


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