Just solved my vibration problem...again. 2003 Trailblazer 4.2, 4WD. NOT extended version. Currently 247K miles. Several years ago, I had a vibration and noise from 68--78 mph. No* shake at 65 or at 80 mph. Worst about 74 mph. Not dependent on power or trans gear--would do it on throttle...

Hi guys, I'm new here. I recently acquired a 2006 Trailblazer LT that has been having driveshaft \ u-joint issues. The former owner replaced the chewed up old driveshaft with a $35 used rusty junkyard shaft and a new rear u-joint. It wasn't long before the new u-joint fell out. I made an offer...

Hey wrench heads, need some opinions before I start throwing parts at it. 03 Tb LS I6, 185000miles. The sound(rumble) starts at low speed and increases on acceleration and rumble stays consistent at 50 and above. No vibration in steering wheel, but rumble after 40mph feels like subs bumping...

Please Help ... I got a 2004 envoy XL I've change about 5 to 6 drive shaft seal on different vehicles but i'm stuck on my voy.... :hopeless Been hammering with brass tip but drive shaft will not move... Is there a special lock or something that i don't know about??? Only lock i know is a C...