Question about 1998 GMC Jimmy

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Rear brakes / bearing area bad vibration, now clanging...

I went out of town for thanksgiving and while gone I had my rear brake calipers seize on me to the point I had smoke coming out the rear area. Had both calipers / pads replaced, rotors looked to be ok. So this week of Dec the 15th, I noticed a bad vibration / buzzing, coming from the passenger rear tire area when I was on the accelerator (it would die off if I took pedal off to "coast" ) On the way home from an errand today (16th) about 1/2 a mile from the house, I heard something seem to "give" and the vibration became a clanging, shuddering, "Ooooh ****" sort of sound. I limped the truck home, jacked it up and took the tire off, wondering if maybe the rotor had snapped loose from the brake rotor hub (had that happen on a talon once) but saw very little as it had gotten dark outside.

So what are my possibilities here for what broke? Considering the area, im worried its something drastic (that i wont be able to afford) but wondering what specific things I should check? Thanks!

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I'd certainly take a look at the driveshaft "U" joints. as well as rear brakes. I'm surprised you didn't have to replace rotors, because if they were heated up that bad, it's hard to believe they aren't warped.Also, when you have rear wheels off for inspection, double check for any axle seals leaking, as well level in housing

Posted on Dec 17, 2008

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