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Thread: '90 DeVille Schreeching - Too many possibilities?

  1. #1
    nsmith24 is offline Cadillac Owners Member
    Automobile(s): 1990 Sedan deVille
    Join Date
    Dec 2009
    Location
    Wilmington, DE
    Posts
    21

    '90 DeVille Schreeching - Too many possibilities?

    Similar to a post I read back in November 2012, my '90 DeVille has started the schreeching noise debacle. The rub is it happens only when I'm driving. When stopped and idled, no noise. The schreech starts as the car begins to move. As I brake, the noise begins to abate. No noise when I start the engine, cold or warm. Only when moving.

    Belt issue? Tensioner pully? Alternator issue? Power steering pump, water pump....? Seems too many possibilities that will take time/money.

    Any thoughts on how I can narrow this down and keep repair costs reasonable?

    Thank you.


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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Location
    Woodstock Ill.
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    82,281

    Re: '90 DeVille Schreeching - Too many possibilities?

    The schreech starts as the car begins to move. As I brake, the noise begins to abate.
    Brake wear indicator tabs. Time to replace the brake pads.

  4. #3
    nsmith24 is offline Cadillac Owners Member
    Automobile(s): 1990 Sedan deVille
    Join Date
    Dec 2009
    Location
    Wilmington, DE
    Posts
    21

    Re: '90 DeVille Schreeching - Too many possibilities?

    Thank you Ranger. Didn't think about the brakes. I appreciate your assistance.

  5. #4
    calvin ar is offline Cadillac Owners Fanatic
    Automobile(s): 1991 devill
    Join Date
    Sep 2012
    Age
    36
    Posts
    116

    Re: '90 DeVille Schreeching - Too many possibilities?

    serpentine belt have been a problem until I went gator belt on mine


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