CTI STU 0 Posted September 21, 2009 Ive got a 1991 1.4 XS and when I brake I can hear a sort of 'hissing' noise? bit like air escaping or something? Anyone got any Ideas?? Share this post Link to post Share on other sites
Daviewonder 533 3 Cars Posted September 21, 2009 cant help you im affraid but my mate had a 309 GL that did the same thing, never caused any problems AFAIK. Share this post Link to post Share on other sites
GeorgeXS 32 Posted September 21, 2009 Mine does exactly the same, havent a clue what it is but it doesnt seem to affect performance Share this post Link to post Share on other sites
tidypug 5 2 Cars Posted September 21, 2009 could it be air coming out of the rubber bellow thats on the bottom of the brake pedal? Share this post Link to post Share on other sites
CTI STU 0 Posted September 21, 2009 could it be air coming out of the rubber bellow thats on the bottom of the brake pedal? That sounds more likley because you can only hear in from inside the car! Is it a easy/cheap fix? Share this post Link to post Share on other sites
RossD 44 Posted September 22, 2009 I wouldnt bother if the brakes are working - It's most likely the vent to the servo working as you press the brake pedal. It's not a fault, it's working how it should. Share this post Link to post Share on other sites
pugit666 2 Posted September 22, 2009 2 of my pugs have done this but the brakes have been fine, i've always wondered what it was Share this post Link to post Share on other sites
CTI STU 0 Posted September 22, 2009 Ive had 9 Gti's now and 1 XS and Ive never had this on any of them!! Share this post Link to post Share on other sites
tidypug 5 2 Cars Posted September 22, 2009 Sorry i didn't explain it very well. Could it be the rubber bellow that the lower part of the brake pedal bar goes through? The bar that goes through the bulk head and into the brake master cylinder. I had the same noise, which annoyed the hell out of me! You can check this by putting your head under the dash near the bulkhead/ pedals and pressing the brake pedal by hand. HTH. Share this post Link to post Share on other sites
