2002 SLS broken w/p tensioner pulley???
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 2002 SLS broken w/p tensioner pulley??? in Past Cadillac Vehicle Discussion; Hello all, Last night my car started to overheat for the first time. I parked it over night and upon ...
  1. #1
    daddyruiz820 is offline Cadillac Owners Member
    Automobile(s): 2002 Cadillac Seville SLS
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    2002 SLS broken w/p tensioner pulley???

    Hello all,
    Last night my car started to overheat for the first time. I parked it over night and upon inspecting it this morning i found, on the driver side, a broken pulley just the round spinning part and belt. I managed to get a cover off and pull the broken pulley off, but the belt is still on, i cant figure out how to get it out. Now, is this something that needs to be replaced at a mechanic shop? And whats this belt to? Look forward to your replies.

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    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 2002 cadillac seville sls broken pulley???

    The belt is the WP drive belt. Which pulley broke, the tensioner or the drive pulley that is attached to the intake cam?


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    daddyruiz820 is offline Cadillac Owners Member
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    Re: 2002 cadillac seville sls broken pulley???

    I believe the tension. It's the smaller one.

    ----------

    Tensioner and pulley

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    Submariner409's Avatar
    Submariner409 is online now If it won't run, slap in a big stereo
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    Re: 2002 SLS broken pulley???

    Look in my albums - Community tab, Albums, the red Seville. Several water pump drive system pictures in the 6 pages of pictures.

    The tensioner arm is spring loaded - you must use either a wrench on the arm lug or a 1/4" drive socket handle in the square hole in the arm to ease the tension and remove the belt. The tensioner assembly is mounted by the two long 10mm head studs that the two shroud nuts came off of.

    The pulley is held on by that center 13mm shoulder bolt - you'll see it in the pictures. New pulleys, usually Gates, are available from some large parts stores and NAPA............. $22 - $30. The entire tensioner assembly would be over $55 parts store cost.

    PRAY that the failed tensioner pulley has not ruined the large drive pulley - that takes special procedure and effort to properly replace it.

    Look at parts in RockAuto, your car, year, model, "belt drive", 3-rib pulley and belt (replace the belt, too).

  6. #5
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 2002 cadillac seville sls broken pulley???

    Quote Originally Posted by daddyruiz820 View Post
    I believe the tension. It's the smaller one.
    Good, that's the lesser of two evils.

  7. #6
    daddyruiz820 is offline Cadillac Owners Member
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    Thank you for your help and diagrams. I was able to purchase a new tensioner and install it with new belt. All seems fine now.

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