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Need a vacuum diagram

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by pfloydmaster, Apr 2, 2002.

  1. pfloydmaster

    pfloydmaster 1/2 ton status

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    Anybody know where I can get a vacuum diagram for an 89 Jimmy? Need to make sure eveything is in place and no leaks.
     
  2. HarryH3

    HarryH3 1 ton status Author

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    Do you need the underhood diagram or the interior diagram? Here's one that shows the vac lines for the a/c and heat controls inside the truck. http://www.angelfire.com/super/ThunderTruck/images/VacDiagram.gif

    I don't have one for under the hood, but it should be pretty simple. Big vac hose to the brake booster. Small vac hose to the a/c and heater controls and maybe one more to the EGR control valve. I can't think of much else right now that uses vacuum on a rig that new.
     
  3. pfloydmaster

    pfloydmaster 1/2 ton status

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    Thanks Harry! I'll check it out.
     

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