2000 GMC Yukon Denali Q&A
2000 GMC Yukon Denali Question: Metal on metal sound from the rear...
If I take off hard, stop suddenly (even from idle speeds) and if hit speed bumps faster than I should, I can usually hear some kind of noise from the rear of my vehicle. It sounds like metal on metal. Not a grinding sound or clanking, just a single sound (a single clank, maybe). Like if you were to hit the exhaust pipe with a tool while under your vehicle I guess is the easiest way to describe it. I replaced the shocks, as I noticed the rear would sag a bit when taking off. But that didn't fix the problem. Ive heard tons of suggestions, but its just people guessing off the top of their head. Has anyone had this before? Or any suggestions? - OBSdenali
I would guess that you have either a broken or loose suspension component. Or just like you said it sounded, a looses exhaust hitting somewhere on the frame or under body. Crawl under there and start wiggling and hitting things until you duplicate the noise. - Pvt-Public
The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is com...