how can i fix hissing from brake pedal on my volvo s80?
when driving my volvo s80 after braking i get a hissing from the brake pedal if i tap the pedal lightly the hissing will stop until i use the brake again its a x reg volvo s80 automatic 2.4 petrol done a brake /servo test and all ok
Its proably the vent switch for your cruise control and might just be out of adjustment ......it releases vacum to your cruise servo when you brake ....
bg
December 2008
I can answer this question...
how can i fix hissing from brake pedal on my volvo s80?