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  1. Pmcb

    Lost my rear end.

    My rear end gave out last Saturday, driveshaft and wheel slammed my door and went down the road. Now I am having trouble finding a rear end. 1987 GMC Sierra Classic, 4x4, Auto, 5.7l, 3.42 gears. What other options are there? A complete rebuild might be out of my league. Thisn is a daily...
  2. Pmcb

    Rear axle replacement

    I was driving down the road when I heard a thump in the rear end, slowed and pulled to the side but at about 35mph drivers side rear wheel and axle shaft passed me. I was able to keep truck under control and get to the side of the road. Axle shaft pulled out of both sides. I do not see other...
  3. Pmcb

    Code 24, when going down hill.

    My 87 Sierra 5.7 TBI, is throwing a code 24 when i go down hill. Just got the timing reset, engine is running good. I live in a very hilly area. Not always but maybe 50% of the time i am on a long down hill run it throws a code 24. My speedometer is about 5 mph off, probably from larger...
  4. Pmcb

    Lacking power, 87 Sierra 5.7l TBI

    I need some help, let me give you background: I have a 1987 GMC Sierra v1500, 5.7l TBI. 51,000 original miles. No rust, had accident when new, some signs of it underneath. Only one fuel tank working. It was in a barn for 10 years, someone started getting it running, change hoses, tires...
  5. Pmcb

    EGR Valve Question

    I just replaced the EGR valve and CTS, this fixed the very hard start problem in my 87 GMC V1500 350TBI. But the EGR that I got did not have the EGR number of the one I replaced listed so I could not add the correct spacer to match the existing one. Though it starts much better, it misses...
  6. Pmcb

    New to forum

    Helle, I’m new to this forum, just purchased a 1987 GNMC Sierra Classic 1500. It has been barn stored for the past 10 years. No rust, body and paint in very good condition. 5.7l, 51,000 miles. This will be my daily driver (4 miles a day 1/2 gravel). Issues I will be addressing right away...

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