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Re: Hard brake pedal, diagnosis help Posted by jeff02 [Email] (#2992) [Profile/Gallery] (more from jeff02) on Sat, 20 Jul 2013 19:32:00 In Reply to: Hard brake pedal, diagnosis help, bobc [Profile/Gallery] , Sat, 20 Jul 2013 17:07:18 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Do you have the electric vacuum pump or the mechanical one on the side of the engine? If electric and it is running all the time there is a leak either in the line or the booster. Otherwise would need a gauge something like here. I am troubleshooting the same problem in a 1999. Replaced the booster which was bad, but still intermittent...
So its either the bad line and / or the booster as first suspects and maybe the pump.
https://www.dropbox.com/s/n1pjp6as1mx8fvy/Saab_Break_Vacuum.MOV
https://www.dropbox.com/s/n1pjp6as1mx8fvy/Saab_Break_Vacuum.MOV
->Posting last edited on Sun, 21 Jul 2013 08:20:36.
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