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Author Topic: Power Brake Booster issues  (Read 951 times)

geofw78

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Power Brake Booster issues
« on: March 24, 2012, 08:11:21 AM »
I am experiencing complete loss of power brakes from my TBP No Modify Brake Booster system. Everything was working fine until I had to come to a fast stop on a down hill slope when I heard a knock/pop under the hood. Ever since then no power brakes just manual brakes.

I have checked all hoses and connections and everything seams fine. Has anyone ever experienced these issues before?  Does anyone have any suggestions before I have to painfully disconnect the booster system?
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JustaFordGuy

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Re: Power Brake Booster issues
« Reply #1 on: March 24, 2012, 11:44:17 AM »
That's an odd one. Have you checked the main vacuum hose for vacuum? pull it off at the booster and see if it has vacuum. If it does the most likely the problem is the booster diaphragm. How old is the booster?
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77 Bronco, 302, 4bbl, Hei, C4, PS, PB, BCB-A/C, 35" MTs, D44/Lock-Right Chromo axles, 9"/Grizzly locker, 2.5" sl, 1" bl, Bilstein shocks, 1 ton steering, JB-fab twin stick, D20,

2005 F250 CCSB Lariat FX4
2022 Jeep Rubicon 4Xe

geofw78

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Re: Power Brake Booster issues
« Reply #2 on: March 25, 2012, 08:06:10 AM »
If my memory serves me well I believe that I bought and installed the booster system last December. I need to call TBP and get the exact date. There might be a warranty here!
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geofw78

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Re: Power Brake Booster issues
« Reply #3 on: March 25, 2012, 09:45:47 AM »
Yes the vacuum level is very good. This means that it is a internal issue. It will probably be a $2 valve/seal that will cost me a future to figure out! UGH!!
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JustaFordGuy

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Re: Power Brake Booster issues
« Reply #4 on: March 25, 2012, 11:22:11 AM »
You can buy rebuild kits for the booster if needed but hopefully it's under warranty.
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77 Bronco, 302, 4bbl, Hei, C4, PS, PB, BCB-A/C, 35" MTs, D44/Lock-Right Chromo axles, 9"/Grizzly locker, 2.5" sl, 1" bl, Bilstein shocks, 1 ton steering, JB-fab twin stick, D20,

2005 F250 CCSB Lariat FX4
2022 Jeep Rubicon 4Xe

JustaFordGuy

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Re: Power Brake Booster issues
« Reply #5 on: April 04, 2012, 02:31:41 PM »
Did you ever figure out what was wrong with your booster?
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77 Bronco, 302, 4bbl, Hei, C4, PS, PB, BCB-A/C, 35" MTs, D44/Lock-Right Chromo axles, 9"/Grizzly locker, 2.5" sl, 1" bl, Bilstein shocks, 1 ton steering, JB-fab twin stick, D20,

2005 F250 CCSB Lariat FX4
2022 Jeep Rubicon 4Xe
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