2003 Pontiac Aztek brakes

2003 PONTIAC AZTEK
100,000 MILES • 6 CYL • AWD • AUTOMATIC
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MIKENIKE
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  • 1 POST
I changed booster and master cylinder, bench bled MC and bled all wheels. Still no pressure. With van off i pressure starts to build but will not hold van on NO pressure
Jun 18, 2015 at 8:03 AM
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HMAC300
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  • 48,601 POSTS
you probably have air in your abs unit. you can try power bleeding or have a pro do it with a scanner as they can open the valves in the abs unit so it will bleed correct. it can take up to and including 3 quarts to bleed the system.
Jun 18, 2015 at 8:09 AM