cph2579 Posted September 29, 2014 Report Share Posted September 29, 2014 Just got the master cylinder and booster replaced on my 2011 edge. Everything works fine but now when I initially put pressure on the pedal it makes a thumping noise. No grinding or vibration. Only 1 thump. If brake is pressed very gently it doesn't thump. Thump not from slamming on brakes. Happens when using normal pressure. Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted September 29, 2014 Report Share Posted September 29, 2014 Welcome to the forum! Could be the pads are a little loose and need to be re-seated. Sounds more like a valve that is not opening/closing properly, but not sure. OEM or aftermarket parts? Quote Link to comment Share on other sites More sharing options...
cph2579 Posted September 29, 2014 Author Report Share Posted September 29, 2014 OEM. Had an independent mechanic do the work, but they got the parts from the dealership. Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted September 29, 2014 Report Share Posted September 29, 2014 Ok, then my favorite culprits would be loose pad(s) or caliper(s). Quote Link to comment Share on other sites More sharing options...
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