Engine Trouble
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Cadillac Allante Forum Discussion, Engine Trouble in Past Cadillac Vehicle Discussion; My drive belt has stopped turning. The engine runs but there's a loud squeal which is obviously coming from the ...
  1. #1
    Dom D'Allante is offline Cadillac Owners Member
    Automobile(s): 87 Allante
    Join Date
    Apr 2005
    Posts
    20

    Engine Trouble

    My drive belt has stopped turning. The engine runs but there's a loud squeal which is obviously coming from the bely not turning. I'll get it to a mechanical but I was looking for some idea's as to how bad the situation is? Unfortunately I'm pretty ignorant when it comes to cars. But I'm willing to learn to keep my Allante on the road. I've had it for about a week and put close to 700 miles on it. No problems until tonight. It has 109000 miles on it and is a 1987.

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  3. #2
    CadiJeff's Avatar
    CadiJeff is offline Cadillac Owners Connoisseur
    Automobile(s): 1981 CoupeDeville, 2 1990 Eldorados, 1994ETC ,1992STS
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    Feb 2004
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    Nerk,Ohio
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    Re: Engine Trouble

    water pump or other fly wheel?

  4. #3
    Dom D'Allante is offline Cadillac Owners Member
    Automobile(s): 87 Allante
    Join Date
    Apr 2005
    Posts
    20

    Re: Engine Trouble

    It looks like there's only one belt. In any event the big belt isn't turing at all. Sorry, I might not even know enough to benefit from your knowledge.

  5. #4
    zonie77 is offline Cadillac Owners Connoisseur
    Automobile(s): 94 ETC,97 STS
    Join Date
    Sep 2003
    Location
    Arizona
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    3,531

    Re: Engine Trouble

    Something is stuck. The alternator or AC compressor probably. Whatever is stuck will have to get fixed.

  6. #5
    Allantesource is offline Cadillac Owners Fanatic
    Join Date
    Jun 2004
    Location
    West Palm Beach, FL.
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    188

    Re: Engine Trouble

    The three most likely culprits are the AIR pump or the AC compressor or the alternator. One of them has probably seized. To tell which is causing the problem, remove the serpentine belt and try to spin each by hand. Much less likely are the waterpump or power steering pump or one of the tensioners. To remove the belt, you will need a 1/2" drive ratchet handle. Insert the square end into the tensioner next to the alternator, and lift it. Hold it down to remove tension from the belt, then with other hand, slide off belt from pulleys, then remove, and let off pressure on ratchet handle slowly. Car will have to be towed anyway, and belt replaced, but at least with the belt off you can move it a few feet to line up with tow truck. And you will be able to tell which item has seized.

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