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3 groove AC pulley

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BRN78BLAZER, Jun 18, 2003.

  1. BRN78BLAZER

    BRN78BLAZER 1/2 ton status

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    Location:
    Stoney Creek Ontario, Canada
    I'm trying to get my ac up and working. last night I swapped out the pulley on the cranshaft. The 3 groove one was a bit larger in diameter, but I figured it would be ok. Well it wasn't cause now the crank pulley hits the water pump pulley /forums/images/graemlins/shocked.gif. The crank pulley came off an 84or85 V8 chev truck w/ac so I thought it would be alright. What do I need here? A smaller water pump pulley? or a smaller crank pulley? If so can I pull these from a different gm vehicle such as a berreta or cavilier, or do I have to find another truck with ac that still has these items?

    Steve
     

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