Re: 9-5 Aero : brakes fail suddenly! - Saab 9-5 Bulletin Board - Saabnet.com
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I'm glad that you and the pedestrian are OK! Sounds like a frightening experience.
Why do you think it's the booster? In my experience a failed booster generally manifests as a hard pedal, very hard in some cases. With the sudden loss of pressure as you describe I'd suspect a failed brake line first and failed master second.
a few things to check and consider:
1 - check the brake fluid reservoir. is it in tact? a crack or a leak there could drain the fluid.
2 - if the brake fluid is low or empty and the reservoir itself is intact I'd strongly suspect a failed hydraulic line or fitting somewhere.
3 - if all of that checks out consider the master. Does pressure return or improve if you pump the pedal? if so that's strong evidence of an internally leaking master.
_______________________________________
'08 9⁵ 2.3T SportCombi, Polar White
'01 9⁵ Aero Midnight Blue (benched)
'00 9⁵ Aero Midnight Blue (rescued)
'99 9⁵ Base model, Cosmic blue
'00 9⁵ Aero Silver (RIP - transmission )
Posts in this Thread:
- 9-5 Aero : brakes fail suddenly!, westernny, Fri, 26 Oct 2018 18:31:26
- Re: 9-5 Aero : brakes fail suddenly!, JTRI , Sat, 27 Oct 2018 17:16:13
- Re: 9-5 Aero : brakes fail suddenly!, Dave The Ice Age Knave , Sat, 27 Oct 2018 11:06:06
- Re: 9-5 Aero : brakes fail suddenly! - update, westernny, Sun, 28 Oct 2018 11:54:48
- Re: 9-5 Aero : brakes fail suddenly! - update, Dave The Ice Age Knave , Mon, 29 Oct 2018 10:33:56
- Re: 9-5 Aero : brakes fail suddenly! - update, CE, Sun, 28 Oct 2018 19:49:07
- Re: 9-5 Aero : brakes fail suddenly! - update, dmz789qqq, Sun, 28 Oct 2018 17:10:40
- Re: 9-5 Aero : brakes fail suddenly! - update, Dave The Ice Age Knave , Sun, 28 Oct 2018 12:41:52
- Re: 9-5 Aero : brakes fail suddenly!, bobc , Sat, 27 Oct 2018 09:01:56 <-- Viewing This Message
- Re: 9-5 Aero : brakes fail suddenly!, David, Fri, 26 Oct 2018 18:40:46
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