• Tiny
  • Pyatt1982
  • 2003 Chevrolet Trailblazer

Drive Train Axles Bearings problem
2003 Chevy Trailblazer 6 cyl Four Wheel Drive Automatic

My mother has a 2003 trailblazer and has to replace the front axle again. It's been replaced twice in the past year. She went outside last night to find grease all over the front tires. My dad looked at the underneath of the car and said she needs another axle, that it's broke. What could be causing the axles to keep breaking? Also, the car feels like it's all over the road, especially when on the highway.

Thanks for any info.

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Tuesday, June 30th, 2009 AT 7:10 AM

1 Reply

  • Tiny
  • Service Writer
  • Expert
  • 9,254 posts

The axle joints are protected by a boot. It sounds like something is contacting the boot and tearing it. When the boot opens up, the grease comes out, the joint goes dry and the axle joint fails.

The steering and suspension parts need to be checked for play and for what may be contacting that axle in question.

IF nothing is revealed at that point, then I would suggest brake torqueing the engine to see if a mount or mounts are weak enough to allow movement of a component into the axle.

IF the truck has been towed, damage to the axle may have occured also.

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Tuesday, June 30th, 2009 AT 7:22 AM

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