2011 GMC Canyon CC SLT w/ Z71. lately, a noticeable clunk/rattle present in drivers floorboard. I immediately inspected but could not find anything obvious. the sound is definitely a clunk, as in something loose is knocking into something fixed. what could it be? Thanks UPDATE: it appears...

2008 4x4 crew 90k miles Lately, I have been hearing this loud clunk from the rear of the truck under hard acceleration and heavy braking (enough to dip or raise the nose more than normal). Clunks the loudest when braking hard and sudden. It won't clunk again until I accelerate hard. It goes...

I've had this problem with the driveline clunking when I step on the gas, let off of the gas, and shift into drive and reverse. It only happens occasionally, so I didn't think much about it. I've also seen threads made by others that have the same problem. Well, I just went over drivelines and...

This seems like a popular issue with our trucks, so I will share my experience. As you know, I do all my own work on my truck and I also get to examine other trucks when I use HP Tuners to dial in their trucks. So I get to see a broad range of vehicles from the Extreme dropped 4" to a 8" lifted...