4.9 Belt Tensioner Question

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HT4100 4.1, 4.5, 4.9 Discussion, 4.9 Belt Tensioner Question in Cadillac Engine Discussion; Is the bolt that holds the pulley standard or reverse thread?...
  1. #1
    STS_Seville_Hunter is offline Cadillac Owners Enthusiast
    Automobile(s): 91 ETC, 91 STS, 98 Eldo Convertable, '93 Seville
    Join Date
    Sep 2008
    DHS/Palm Springs, CA

    4.9 Belt Tensioner Question

    Is the bolt that holds the pulley standard or reverse thread?

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  3. #2
    wildbill's Avatar
    wildbill is offline Cadillac Owners Member
    Automobile(s): 1995 Sedan DeVille
    Join Date
    Sep 2009
    Baker, MT

    Re: 4.9 Belt Tensioner Question

    It's right hand thread.

  4. #3
    ehall's Avatar
    ehall is offline Cadillac Owners Connoisseur
    Automobile(s): 1985 Sedan DeVille
    Join Date
    Aug 2007
    Southern Maryland

    Re: 4.9 Belt Tensioner Question

    It's a standard pitch 10mm bolt

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