Question about 1987 GMC VanDura

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I need a drawing of the routing of the drive belts for the air conditioner and the alternator on my 1985 vanura chassis of my motor home. its a 3500/gas/350 /v8/heavey duty/gmc

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  • keny44 Sep 05, 2010

    1---the drawing is so small i can't read the key

    2---my vandura has 3 belts (maybe 4 in the past---for some sort of polution controldevice)

    these drawings show only one serpentine belt



    I still need help with this



    thanks

  • keny44 Sep 06, 2010

    thanks for your efforts----you see why I need help.



    At the outset --one of the fields i needed to fill in was the year of my van dura and offered me

    only 1984 or 1987-----i chose 87-----that might help you.



    and actually your suggestion on what the belts should go around may be the way we need to go.

    Your suggestion did not include the crank shaft pulley.----unless that is what the "harmonic balancer"is.



    so I have : an alternator ----1 belt groove

    power s--------1 " "

    water pump --3 " "

    crank shaft ---3 " "

    a/c compressor--1 " "



    alt has its own tightener

    a/c has its own tightener

    p/s has it own tightener

    rad fan is on the same shaft as water pump



    I think-----------------alt belt goes around alt/wp/crank

    a/c-------------------------ac comp/wp

    ps--------------------------ps/crank



    what do you think



    k--or keny44


  • keny44 Sep 07, 2010

    The solution was helpful in that although a drawing was not available the explanation of where the belts go was good.
    thanks

  • keny44 Sep 07, 2010

    I can't find the 4 thumbs up thing to click.

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Http://www.fixya.com/uploads/images/C70D2B2.gif
Just copy and paste that link in your browser. This should help.


If this helps please click 4 thumbs up! Thanks!!!

Posted on Sep 05, 2010

  • Rodney Clark
    Rodney Clark Sep 05, 2010

    That is what it said it was. Sorry. I will look and find you the one with separate belts. I will get right back with you!

  • Rodney Clark
    Rodney Clark Sep 05, 2010

    I have been looking all over to find a diagram. The one I sent you is the only one I could find. They must have put a different configuration on some of them. I am terribly sorry. There is a suggestion I can give you. Take a long piece of string and wrap it around the alternator, then the water pump and harmonic balancer pulley. Them measure the string. That should give you the length of belt you need. The air conditioning belt should be around the a/c compressor, water pump and then harmonic balancer. And the power steering should just be by itself and the harmonic balancer. I hope that this helps. Sorry I could not give you the diagram that fits your vehicle. I have 6 places to get these diagrams and I sent you the only one I found.

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jturcotte_2444.gif

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jturcotte_2445.gif

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    jturcotte_2446.gif

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