This is a discussion on bad vibration within the General Help forums, part of the LSx Technical Help Section category; Hi guys. My TA is having this bad vibration. It feels like is on the left side of the car ...
11-04-2010, 04:49 AM #1
Hi guys. My TA is having this bad vibration. It feels like is on the left side of the car but its hard to hear if it is on the front or back. It started all the sudden. It kinda feels like a bad bearing.
I lift the car up and I have checked all tires for play at 9-3 and 12-6 position. I don't feel any play. I turn the tires while on the air by hand and i can barely hear a scratching noise in all 4 of them. The scratching feels like is the brake pads but it is very minimal. I checked the drive shaft for play at the u joints and there is none. There is a little bit of play at the front of the drive shaft but is not at the u joint. I put the car on drive and let the rear wheels spin. I got out and got close to them and i don't hear any weird noise.
Oh one thing, with the wheels on the air if i put my car in neutral and i let go of the brake, is it normal for the wheels to turn?
Im not sure what else can i check without replacing the wheel bearing or the hub. any suggestions?
11-04-2010, 06:10 AM #2
- Join Date
- Sep 2006
Bent or sticking caliper pin.........
11-04-2010, 06:41 PM #3
- Join Date
- Apr 2008
- Madison, WI
1999 Formula WS6 M6-sold
- 2001 Silverado Z71
11-05-2010, 04:40 PM #4
road force the tires..maybe be a belt separating..
11-07-2010, 09:36 AM #5
- Join Date
- Jan 2009
- Paterson/Ridgewood, NJ
Phantom Black Metallic
- 2004 GTO M6
Do you have a manual trans or automatic? If you have a manual, then the rear wheels should spin if in neutral. And since you don't seem to have any warped rotors, then have your wheels balanced as suggested above. The worst could be you have a bent wheel. And if you have a shifted belt in a tire, replace the tire asap as a bad tire is a ticking timebomb.
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