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  1. #1
    Join Date
    May 2006
    Location
    San Antonio TX
    Posts
    508
    My Cars
    2001 BMW 740I Sport

    2007 X5 Belt coming off

    I have two problems, but I'll keep them in separate threads.

    #1 - I started out trying to find the source of a belt squeak, replaced the tensioner and idler pulley. No luck. Then I noticed the belt was coming off the Compressor pulley (bottom far right pulley as you face the engine) I think it's the compressor. Each time i put it back on, it starts working it's way off again. Most probably the source of the squeak, but more importantly, I need it to stay on. Is it safe to assume the bearings are gone on the shaft of the compressor causing the pulley to lean allowing the belt to work it's way off the pulley? If this is the case, can the compressor be repaired or I need a new one?

  2. #2
    Join Date
    Jan 2016
    Location
    Ca
    Posts
    6,981
    My Cars
    2001 525it
    Question is the ac belt the stretch type where it has no tensioner, to put the stretch type on they have this tool that helps installing the new one?

  3. #3
    Join Date
    May 2006
    Location
    San Antonio TX
    Posts
    508
    My Cars
    2001 BMW 740I Sport
    No, I only have one belt, serpentine. No separate ac belt. The lower bottom pulley, i think it's on the compressor, keeps working it's way off the pulley.

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