Uplander 2005-2009
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08 Chevy Uplander Calipers Won't Release

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Old February 28th, 2014, 6:29 PM
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Default 08 Chevy Uplander Calipers Won't Release

I have just replaced the calipers, rotors, brakes, hub assemby, and also axles. Now my calipers lock on all 4 wheels when you push the brakes. We have bled them over and over again including the lines under the hood. Don't wont to spend anymore more money unless it is needed. Need help no clue what else to do. I would appreciate any info anyone has.

Old March 1st, 2014, 3:58 PM
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Hi - I believe that you need the Tech2 tool to properly bleed the brakes on these especially since you opened up the brake lines and replaced the calipers and its likely that air got all the way back to the ABS unit.

Not like the old days with a piece of hose and a jar unfortunately.

Last edited by 442dude; March 1st, 2014 at 4:01 PM.
Old October 11th, 2014, 12:10 AM
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Originally Posted by 442dude
Hi - I believe that you need the Tech2 tool to properly bleed the brakes on these especially since you opened up the brake lines and replaced the calipers and its likely that air got all the way back to the ABS unit.

Not like the old days with a piece of hose and a jar unfortunately.
correct in saying it could be a automatic bleed procedure needed but usually this causes a no pedal pressure symptom. i would look into the master cylinder or booster not returning, do you have a loose pedal or is it rock solid.
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