V70 Brakes: - Yoga required for this job

diddly12345 · Aug 23rd, 2011, 09:44

Hi this is a difficult one that i hope you can help me on, right my servo was making the hissing into the floorwell scenario, after breaking myself into 3 peices i managed to get under to have a look and found the seal from the rod at back of brake pedal wasnt sitting on to the floor properly as when tapped it the noise stopped.
Seemingly top tip is this can happen after brake work ie bleeding brakes and pedal on floor etc can catch the sleeve on way back up and i thought it was the unit dying !!.
My question is finally this, does anyone know if the seal(grey rubber) just sits into the black seal of the servo or does it hook over or tied etc as seems its not very secure and could easily come out again. V70 T5 2001 Geartronic
Anyone ??? Thank you

diddly12345 · Aug 24th, 2011, 15:07

Right its defo the seal either not sitting right or it has a lip or something under where the pedal is as stays quiet for a while then starts hissing and if i turn the grey boot it seems to stop for a while again, any mechanics advise me on this or have a good diagram i can follow ??? Thanks

Aug 23rd, 2011, 09:44	#1
diddly12345 Member Last Online: Apr 3rd, 2024 16:58 Join Date: Dec 2010 Location: montrose	Yoga required for this job Hi this is a difficult one that i hope you can help me on, right my servo was making the hissing into the floorwell scenario, after breaking myself into 3 peices i managed to get under to have a look and found the seal from the rod at back of brake pedal wasnt sitting on to the floor properly as when tapped it the noise stopped. Seemingly top tip is this can happen after brake work ie bleeding brakes and pedal on floor etc can catch the sleeve on way back up and i thought it was the unit dying !!. My question is finally this, does anyone know if the seal(grey rubber) just sits into the black seal of the servo or does it hook over or tied etc as seems its not very secure and could easily come out again. V70 T5 2001 Geartronic Anyone ??? Thank you

Aug 24th, 2011, 15:07	#2
diddly12345 Member Last Online: Apr 3rd, 2024 16:58 Join Date: Dec 2010 Location: montrose	No One Know ?? Right its defo the seal either not sitting right or it has a lip or something under where the pedal is as stays quiet for a while then starts hissing and if i turn the grey boot it seems to stop for a while again, any mechanics advise me on this or have a good diagram i can follow ??? Thanks

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