Hissing Noise From Break Pedal

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Hissing Noise From Break Pedal
#1
Soooo,

As Far As Im Aware There Is A Little Red Valve That Often Shoots Off Or Falls Off And This Creates The Hissing But I Think I May Be Wrong There Is Only A Slight Hissing When On Stand Still But Under Acceleration It Follows What Im Guessing Is Boost The Faster I Go The Louder It Gets.

Any Ideas, Or A Fix.

Thanks In Advance.
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#2
It'll be the servo leaking, is it definitely coming from the passenger compartment side of the bulkhead? I've not heard of that valve, but sounds like it's worth a look for an easy fix.
306 HDi Deathtrap - 130bhp / 220lbft
...UPGRADING...



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#3
(28-04-2017, 06:08 AM)Poodle Wrote: It'll be the servo leaking, is it definitely coming from the passenger compartment side of the bulkhead? I've not heard of that valve, but sounds like it's worth a look for an easy fix.

 Clueless to how you got passenger side lol but what i was told correct or not There is a one way valve, this tends to come free or stuck open when under hard breaking. I Am Yet To Rip up carpets and very very unwilling to do a while break servo change will keep this thread updated with my findings.
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#4
(28-04-2017, 07:38 AM)TommiePuglet Wrote:
(28-04-2017, 06:08 AM)Poodle Wrote: It'll be the servo leaking, is it definitely coming from the passenger compartment side of the bulkhead?

 Clueless to how you got passenger side lol but what i was told correct or not There is a one way valve, this tends to come free or stuck open when under hard breaking. I Am Yet To Rip up carpets and very very unwilling to do a while break servo change will keep this thread updated with my findings.


What he means is inside the car, not passenger side
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#5
Yeah that. As opposed to engine bay side.

The carpet is like any other component - will come out/go back in fine and won't be any different to how you started. Well, so long as you don't remove it with fire and a lever bar lol.
306 HDi Deathtrap - 130bhp / 220lbft
...UPGRADING...



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#6
sounds like a dead servo, bit of a bastard on a 306, nuts from cabin side onto studs coming through the pedal box.
need a part number? http://public.servicebox.peugeot.com/ and http://service.citroen.com/ will sort you out.
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#7
Had to drop the engine off the mounts when I done my servo. Not a nice job
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#8
(24-04-2017, 09:06 AM)TommiePuglet Wrote: Soooo,

As Far As Im Aware There Is A Little Red Valve That Often Shoots Off Or Falls Off And This Creates The Hissing But I Think I May Be Wrong There Is Only A Slight Hissing When On Stand Still But Under Acceleration It Follows What Im Guessing Is Boost The Faster I Go The Louder It Gets.

Any Ideas, Or A Fix.

Thanks In Advance.

I got the same problem you have to change the servo it's the only way to fix the problem.
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