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Spongy brake pedal

Tiny
RICKYSH11
  • MEMBER
  • 2005 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 185,000 MILES
I have recently had issues with a brake caliper. I had to change the one on the front passenger side due to the piston becoming stuck in a fully extended position. After replacing the caliper and installing new pads I bled the brakes but the pedal is still very soft and spongy and depresses completely when pressed. I am not sure what the issue is at this time. (Note I only bled the front brakes) Not sure if that has anything to do with the issue.
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Saturday, December 9th, 2017 AT 5:10 PM

3 Replies

Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
You will need an enhance scan tool to bleed out the ABS pump. What you can try and sometimes it works is bleed all four wheels. Starting with the right rear, then left rear and right front and ending with the left front. Road test and if it still feels a little soft, find a lonely road where there is no traffic.

Go up to about forty mph and make sure no one is behind you. Slam on the brakes to get the ABS pump pumping. Do that two or three times. Sometimes it works and sometimes you just need the scanner do actually bleed it. Let us know if this works for you.
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Wednesday, February 24th, 2021 AT 7:15 PM
Tiny
RICKYSH11
  • MEMBER
  • 74 POSTS
Thanks, sorry for such a late reply. I tried what you said and now the brakes are great!
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Wednesday, February 24th, 2021 AT 7:15 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help

Cheers, Ken
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Wednesday, February 24th, 2021 AT 7:15 PM

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