Question about 1992 GMC Jimmy

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1992 jimmy 4x4 v-6 vortec

Everytime i put t in gear it stalls out and when i do get it to run its gutless

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  • Anonymous Aug 29, 2008

    How are your brakes?
    Sounds like a stupid question, but if, when you put it in gear, you apply the brake then it could be a vacuum assist issue.
    Try checking the vacuum assist hose that goes to the round black vacuum assist brake assembly found on the firewall. If there's a small break in it, the engine will run roughly and applying the brake will cause it to stall.
    Alternatively, it could be the vacuum assist break assembly, which is difficult to replace because there are 4 bolts up above the brake pedal that are very difficult to reach. You'll know if it's the vacuum brake assembly if your brakes feel very hard and you have to push like heck to stop. Meanwhile, your engine will stall.


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Posted on Jul 12, 2008

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http://0.tqn.com/d/autorepair/1/0/g/_/41894088.gif
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