serpentine belt problems
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, serpentine belt problems in Past Cadillac Vehicle Discussion; I have had a lot of trouble keeping the belt on my 4.1 POS since I owned it. I bought ...
  1. #1
    steelybill is offline Cadillac Owners Enthusiast
    Automobile(s): '85 Fleetwood FWD
    Join Date
    Mar 2009
    Location
    mich
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    82
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    727

    serpentine belt problems

    I have had a lot of trouble keeping the belt on my 4.1 POS since I owned it. I bought a new tensioner when the pulley went bad, but doesn't line up very good with the rest of the pulleys. I had to make some tapered shims to tip the tensioner a bit, to keep the belt on. This this thing has went through more that six belts since I owned it. I'm beginning to wonder if the mount casting that holds the alternator ( that's new too ), is possibly bent (?) Not usual for a casting to bend, but it sure doesn't hold things in line very good. I'm also wondering where I can find another mount casting, which may be better than this one (?)

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  3. #2
    dennis93coupe's Avatar
    dennis93coupe is offline Cadillac Owners Connoisseur
    Automobile(s): 1993 Coupe Deville 2006 XLR Infrared, Ebony
    Join Date
    Feb 2010
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    Orange County, CA
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    Re: serpentine belt problems

    Have you tried the junkyards? Don't know what you have up there.

  4. #3
    mike5514 is offline Cadillac Owners Enthusiast
    Automobile(s): 97sls,06dts
    Join Date
    Jun 2004
    Age
    76
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    864

    Re: serpentine belt problems

    I have lost belts because of loose water pump pulley bolts fix was new bolts and lock tight.Mike

  5. #4
    steelybill is offline Cadillac Owners Enthusiast
    Automobile(s): '85 Fleetwood FWD
    Join Date
    Mar 2009
    Location
    mich
    Age
    82
    Posts
    727

    Re: serpentine belt problems

    I looked closer at the mount today, and I see it's part of the power steering pump casting (?) ...anyway, it looks like I can shift the angle of the mount by loosening the front bolts, and shimming the rear mount bolt ear, to tip the casting a bit...

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