How do I bleed the brakes on my 1995 GMC 4-wheel.

  • 1995 GMC SIERRA
How do I bleed the brakes on my 1995 GMC 4-wheel drive, with 4-wheel abs ?
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have the same problem?
Tuesday, March 19th, 2013 AT 6:54 PM

1 Reply

If you don't let the reservoir run empty you bleed it the same as without ABS. If you're replacing calipers or wheel cylinders, place a stick between the seat and brake pedal to hold the pedal down an inch. That will stop the brake fluid from dribbling out. As with ALL master cylinders that are more than a year old, never ever push the brake pedal more than half way to the floor when bleeding the brakes with a helper or when pumping the pistons out of the calipers. The seals can get torn on the crud that builds up in the bottom halves of the bores the pistons don't normally travel in. Gravity-bleeding works just as well but might take a little longer, and you don't need a helper. Just remove the stick from the pedal and keep the reservoir full. Once the pistons are pumped out and you have a good pedal, open each bleeder screw one last time to remove the few bubbles that may have washed into the calipers and wheel cylinders.
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Tuesday, March 19th, 2013 AT 9:49 PM

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