simpreza2 Posted August 18, 2004 Share Posted August 18, 2004 I have 96 OBS with 4 wheel dics and ABS and Last week the ABS light came on and would go off when I turned the car off and come back a day or two later. The brakes worked fine and I had no problem but yesterday the brakes seem to be pulsating (sp?) when light brake pressure is applied at slow speeds only. If I hit the brakes hard at any speed it comes to a normal stop but if im just sowing down or using light peddal pressure it feels like the abs is kicking in. Any ideas on what to check for? And I checked the fuses and they are ok. I almost forgot but I installed a wrx brake kit 3 weeks ago even thought it shouldnt have any effect on the abs, unless I knocked a wire loose. Which Ill check tomarrow when I got time. Quote Link to comment Share on other sites More sharing options...
simpreza2 Posted August 19, 2004 Author Share Posted August 19, 2004 bump Quote Link to comment Share on other sites More sharing options...
bertherr Posted August 19, 2004 Share Posted August 19, 2004 Do a search for "why do my antilock brakes activate when they should not". Or something very close to that. You will see that I had a similar problem. Read the post find out all of the possible causes. I also had a mechanic tell me that it is not uncommon for your type of symptom to arise after doing brake work. They find that debris from doing the work gets on the sensor and causes the problem. In my situation it is possible that metal shavings from drilling out a busted bolt got on my sensor and messed it up. Good luck, Bert Quote Link to comment Share on other sites More sharing options...
Subie Gal Posted August 20, 2004 Share Posted August 20, 2004 how much brake fluid do you have? have you checked or flushed it lately? Quote Link to comment Share on other sites More sharing options...
simpreza2 Posted August 20, 2004 Author Share Posted August 20, 2004 how much brake fluid do you have? have you checked or flushed it lately? Full fluid and Im not sure last time it was flushed, I just bought it about a month ago. Quote Link to comment Share on other sites More sharing options...
Setright Posted August 21, 2004 Share Posted August 21, 2004 Dirt or gunk in a wheel speed sensor, or maybe a ballooned brake hose. Quote Link to comment Share on other sites More sharing options...
simpreza2 Posted August 21, 2004 Author Share Posted August 21, 2004 Im going to be putting in some stainless lines later this week so Ill check the speed sensors then. And if its a brake line there gettin repaces anyway. Quote Link to comment Share on other sites More sharing options...
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