Question about 2004 Chevrolet TrailBlazer
Front wheels grind after using 4wd, front left wheel wants to lock up when 4wd is engaged. When switched back to 2wd frnt wheel seems to have some resistance on it and there is grinding noise, I can;t tell if it is from both wheels or just one.
You probably have a front drive splined disconnect assembly that has gone bad. This assembly engages the front differential when 4WD is selected. Below is a figure of the item, it is on the passenger side of the differential area.
Posted on Jan 02, 2013
Differential axle bearing...adjuster....and seal
Posted on Jan 12, 2019
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Posted on Jan 02, 2017
SOURCE: noise when in 4 x 4
Bad news... It sounds like you have a broken/stripped axle. I would start at the wheel and start disassembling from the outside in. It may just be a stripped spline in the spindle.
Posted on Feb 09, 2009
It does not seem that sufficient diagnosis was done. No, you cant give a specific diagnosis like that without tearing unit down. It's likely that they told you the most common failure and left it at that. Likely there is a problem with your unit...I think this becomes more of a trust issue than a mechanical one. A second opinion from an independent reputable shop may help but either way, you need to have it fixed. In not using it much, it makes me wonder how it got worn.
Posted on Mar 19, 2009
3 things to check:
Worn disc brake pads, grinding against the rotor.
You posted grinding gets worse turning to the right, the problem is the driver side wheel, but it would be best to have both wheeles checked.
Posted on Jun 19, 2009
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