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13-09-2012, 11:40 PM
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Regular Member
Join Date: Nov 2010
Location: WA
Posts: 52
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I think my brake booster diaphragm may have a leak in it. Sometimes under light braking the brake pedal 'farts' - it kinda vibrates. I've let the car sit for a while with the engine off and I still get 2-3 full pumps of the pedal before the vacuum assist runs out so the check valve must be working. Can the diaphragm leak in such a way as that it only leaks sometimes? I just recently fiixed my inlet manifold gasket and made a huge difference to the idle stability but its getting a bit rough again, almost like its got a warmer cam profile.
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AUII XR6 VCT Ute 5Spd Liquid silver FG Mk2 G6E Turbo Petroleum 13.300 @ 106 |
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'Farting' brake pedal
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