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    Diagnose this clunk/thump

    Truck is 1987 GMC 2500 4WD / 14 bolt rear. Here's the issue. When taking off from a stop, and sometimes braking, especially downhill, I hear and feel a clunk/thump that sounds like it is coming from the passenger side rear end. It also happens when the rear wheel goes over speedbumps and low...
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    Rear wheel bearing

    Just a general question... Been doing a lot of work on my 87 2500 4wd. My passenger side wheel bearing I believe needs to be replaced. Wheel has a little play when grabbing it side to side when jacked up and when I accelerate from a stop it makes a pop/thud noise. Question is... I may let...
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    steering box

    I ordered a reman steering box that comes without the pitman arm. Any good guides/write-ups out there that will help? Thanks, it is an 87 GMC 4wd.
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    Question about drums

    I just got my first 87 GMC Sierra 2500. I was kind of surprised when I realized that the front brakes were drums as well as the rear. Is this from the factory or most likely a previous owner put them on? Whats involved in putting in front disc brakes?

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