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  1. #1
    Bald Tire
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    Can Not Bleed Brakes...HELP

    2009 HUMMER H3 Base

    I changed the right front brake caliper, and all the brake pads. The system will not charge enough to bleed the brakes. I tried the procedure posted at thread 5672, and it didn't work. Is there a fuse that powers the brake booster motor? I don't hear anything at the master cylinder of notice it do anything. Do I have to do something with the ABS System? Any suggestions are greatly appreciated.

  2. #2
    All Terrain
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    Make sure you have fluid in the reservoir, key on, bleeder open, press the pedal down just enough to make the brake switch, you should get fluid shooting out of the bleeder.

  3. The Following User Says Thank You to 5gn-h3t For This Useful Post:

    DaveH3 (02-04-2019)

  4. #3
    El Diablo
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    And Key On (ignition on, but H3 not running) is the most important detail that 5GN references. I'm sure there's a brake booster fuse but I don't have that diagram or the owner's manual handy. Do you have any ABS warning lights on? If so, that could be the issue. If not, I doubt it's an ABS issue

  5. The Following User Says Thank You to alrock For This Useful Post:

    DaveH3 (02-04-2019)

  6. #4
    Bald Tire
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    Fluid is the reservoir and ignition is turn on. I do get brake and ABS warnings. They showed up after I started the brake change. No fluid come out

  7. #5
    El Diablo
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    Are you getting those warnings when running the car now? Were you doing any other brake or wheel work, like replacing a caliper?

  8. The Following User Says Thank You to alrock For This Useful Post:

    DaveH3 (02-05-2019)

  9. #6
    Bald Tire
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    I did replace the front right caliper because I took it apart instead of pulling the pins to get the brake pads off. I replaced it, because I originally though that is why I couldn't bleed it. I am getting the ABS/Traction Control warning. I connected an OBD code reader and I got a Code C0010 Pump Motor Circuit Malfunction, C0131 ABS/TCS Sys Pressure Circuit Malfunction, and C0267 Low Brake Fluid. The reservoir is full.

  10. #7
    Bald Tire
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    So it turns out the reservoir wasn't full. The brake fluid was up to the neck of the reservoir. As you add more brake fluid, it ran into another chamber in the reservoir. Once that was filled, the brakes bled with no problems. With the new clear brake fluid, you couldn't see it on the outside of the reservoir at the full line. Brakes were bled, and everything is back to normal.

  11. The Following 3 Users Say Thank You to DaveH3 For This Useful Post:

    alrock (02-11-2019), Korby7 (07-11-2019), SlcHummer (02-12-2019)

  12. #8
    Mud Terrain
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    DaveH3 , thanks for the follow up on not being able to see the one reservoir clearly and it was empty. That will be something we can all keep in mind when bleeding our brakes.

  13. #9
    Banned
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    Quote Originally Posted by DaveH3 View Post
    2009 HUMMER H3 Base

    I changed the right front brake caliper, and all the brake pads. The system will not charge enough to bleed the brakes. I tried the procedure posted at thread 5672, and it didn't work. Is there a fuse that powers the brake booster motor? I don't hear anything at the master cylinder of notice it do anything. Do I have to do something with the ABS System? Any suggestions are greatly appreciated.

    Visit this link to view the ABS module work.
    You can view Rocketcarparts to see how to use the ABS module bleeding brake.

  14. #10
    Low Profile
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    Quote Originally Posted by DaveH3 View Post
    So it turns out the reservoir wasn't full. The brake fluid was up to the neck of the reservoir. As you add more brake fluid, it ran into another chamber in the reservoir. Once that was filled, the brakes bled with no problems. With the new clear brake fluid, you couldn't see it on the outside of the reservoir at the full line. Brakes were bled, and everything is back to normal.
    I went through this delightful troubleshoot a couple years ago, a definite "huh, interesting" moment.


    07' H3 Lux
    Engine/Trans
    - 12" Spal Pusher Efan / Trans Cooler / Airdoc / HD Fan Clutch / PCM For Less Tune /
    Suspension
    - Bilstein 5100's/Torsion Leveled/BF Goodrich KO2's 285/75/r16
    Exterior
    - OEM Brushguard / OEM Step Rails / Rola Roof Rack W/Extension / Taillight Guards / Stickers / Ebay Snorkel / Light Bars /
    Interior
    - Scanguage II / Daystar Dash Tray / Weather Tech Floorliners /


 

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