Question about 2005 Chevrolet Trailblazer Ext

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When in low idle has a bad viberation seems to to less viberation when accelerating

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Common problem. Check your motor mounts and transmission mounts, more than likely it's the motor mounts. While they may "look" OK from the outside, the mounts tend to crush and not be as high as they need to be. This problem has is just a nuisance and won't hurt the performance of your TB. Typically this problem will start out only happening when it's a cold engine, then go away once the engine has warmed up. But will get worse as time goes on. Buy OEM mounts as aftermarket mounts won't be as stiff and a lot of times end up with vibration quickly after they are replaced, so don't waste our money. Hope this helps! Good luck.

Posted on Jan 04, 2011

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Posted on Jan 02, 2017

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This sounds like a case of bad gas affecting your vehicle's smooth operation. Try going to an auto parts store and getting some gas treatment next time you need to fill up. Add it to your gas tank at that time, and it should help. I had the same problem, and this worked for me. Good luck!

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