Question about 2008 Chevrolet Trailblazer
I get a metal vibration noise at exactly 40 mph on acceleration and deceleration.
Check your engine mount for play as a weak mount causes exhaust to vibrate could also be a heatshield not fitted properly
Posted on Apr 21, 2013
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Posted on Jan 02, 2017
I had similar problem with my 03 trailblazer. It had a low dull hum in the front end with a little vibration being felt in gas pedal. Noise increased over a couple weeks and was louder turning to the left and quiter turning to right. A GM mechanic friend of mine replaced the front right hub and took care of the problem. Hub was about $160 at Autozone.
Posted on Feb 13, 2009
Could be many a things, for example:
Front wheel bearings
Warped Brake Disc
Worn suspension mounts
CV joint needs replacement
Worn/bent steering rods
Wheel weight balances have come off and caused irregular wheel balance
Wheels are warped, damaged
Brake pads are worn over the limit
I would really recommend you take it to a professional to take a look. It could be very dangerous to you and other drivers using the road
Posted on Jul 02, 2009
Get your truck up in a rack and take a look at the drive shaft, the differential, the u joints and the ball joints. Regards, joe
Posted on Nov 19, 2009
If the tires are round once checked on a balance machine to be true. Next check the driveshaft is a weight missing, dings or bent, u-joints loose?
Then check the rear ring
Posted on Aug 25, 2010
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