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2006 gmc envoy_slt
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7 Posts
Discussion Starter #1
Yesterday evening I had to hit the brakes when some wildlife flew up in front of me. I was traveling 40mph at the time. After the vehicle stopped the brakes would not disengage. Fortunately another driver stopped and suggested turning off the engine and then restarting. That worked, the brakes released, and I was able to make it home.

The vehicle is a 2006 Envoy SLT, 2WD with 135K miles which I have owned since new. It's in excellent condition with no accidents and well-maintained. New brake rotors and pads installed by a certified mechanic last year and he stated that everything looked good.

Now I'm worried to take it out on the highway as I don't want to risk another lockup. Any suggestions?
Many thanks!
 

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2004 gmc envoy_slt
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2,503 Posts
Have each caliper inspected for free and proper travel, inspect for caliper piston binding, do a complete brake fluid change. Have technician check ABS system for any fault codes.
This is a very unusual condition, never heard of before.
 

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2006 gmc envoy_slt
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7 Posts
Discussion Starter #3
Will do...thanks! I also noticed that the ABS and Brake warning lights did not illuminate when this happened.
 

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2006 gmc envoy_slt
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7 Posts
Discussion Starter #4
Will do...thanks! I also noticed that the ABS and Brake warning lights did not illuminate when this happened.
Update...the problem looks like it is now resolved. My mechanic confirmed that the calipers were binding since the panic stop and replaced the flexible lines, calipers, and flushed the brake fluid. He did not find any ABS codes. The brakes feel like new again so if anyone is driving on old calipers and fluid consider having them checked out.
 
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