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+--- Thread: My brake pedal is intermittently going hard! (/showthread.php?tid=8302)
My brake pedal is intermittently going hard! - tomcannon - 24-11-2012
Hi guys,
So yesterday on my way home from work the brakes were fine then all of a sudden when I went to brake the pedal was rock solid and I had to press really hard to brake and it had little effect. Luckily I just stopped in time. I have taken it out again today and it was fine at first but then happened again. It feels the same as when you pump the brakes with the engine off. I have tried pumping the brakes with the engine off and then starting her up with my foot on the brake, it does compress then. When doing this I could hear a hissing noise when pumping the pedal. On Thursday night I had to drive through a really deep puddle due to the weather I took it slowly and everything seemed fine then and after on the way home but as I said it now seems to go hard after a couple of minutes driving, does it the once and then its fine again.
Any ideas?
Cheers, Tom.
RE: My brake pedal is intermittently going hard! - Kwik - 24-11-2012
as i said in chatbox sounds like servo issue
either seal at master cylinder, push rod seal or you have a vacuum leak
RE: My brake pedal is intermittently going hard! - tomcannon - 24-11-2012
(24-11-2012, 07:46 PM)Kwik Wrote: as i said in chatbox sounds like servo issue
either seal at master cylinder, push rod seal or you have a vacuum leak
Cheers pal. Garage visit it is then.
RE: My brake pedal is intermittently going hard! - Kwik - 25-11-2012
let us know how it goes
RE: My brake pedal is intermittently going hard! - Niall - 25-11-2012
possibily a split vacuum hose or, if its derv, a dodgy vacuum pump.
RE: My brake pedal is intermittently going hard! - Rippthrough - 25-11-2012
Giggety.
But yeah, servo or vacuum hose.