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peter2019
Senior Member
125 Posts |
 Posted - 07/13/2022 : 7:21:24 PM
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| 2006 international school wabco hydraulic brake replace the whole units,connect all brake lines, no leak, Wabco software shows front and rear pump working, pressure are around 2000PSI, maximum brake fluid inside reservoir, but service brake is not working, open all the bleeder, no brake fluid coming out especially rear both sides. Air inside system? No pressure inside brake lines? Need help, Thanks |
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dsalinas1939
Top Member
USA
1323 Posts |
Posted - 07/15/2022 : 05:03:05 AM
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| did u use a pressure bleeder to bleed the system? |
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peter2019
Senior Member
125 Posts |
Posted - 07/15/2022 : 07:13:38 AM
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| Dsalinas1939, do you mean bleed the system by open bleeder on each caliper or something else? Thanks |
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dsalinas1939
Top Member
USA
1323 Posts |
Posted - 07/20/2022 : 11:45:56 AM
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u need to use a power bleeder to push all the air out. i have never had success bleeding it by pumping and holding opening bleeders i use a pressure bleeder and it works everytime and alot easier if u dont you will never get all the air out
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Edited by - dsalinas1939 on 07/20/2022 11:48:09 AM |
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Topic |
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No service brake after replace Wabco HPB
