C5 Brake Pedal Solid

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hamster99
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C5 Brake Pedal Solid

Post by hamster99 »

Just recently sometimes when I start up and pull off my brake pedal is solid and i have to stand on the pedal to get any sort of braking (not good in busy traffic). It tends to resolve itself after a few minutes and is then fine for a couple of days. This does seem to be happening more when the car has been left for several hours.

I suspect this may be a vacuum issue and I seem to remember I had a similar problem a few years ago on another C5 and the garage sorted it but not sure what they did. Is there some sort of vacuum pump arrangement and how do I check this.

Thanks

Rob
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citronut
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Re: C5 Brake Pedal Solid

Post by citronut »

what engine is this car as a diesel will have a vacuum pump but a petrol wont, they both have a servo though, as the C5's have conventional brakes/system,
not like proper/full blooded hydraulic citroens
Regards, malcolm.

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hamster99
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Re: C5 Brake Pedal Solid

Post by hamster99 »

Thanks Malcolm
It's my 2.0 HDI 16v 138 Exclusive
Rob
15 C4 1.6 eHDI 115 Exclusive - better half's
12 RR Westminster 4.4 TDV8 - Gentleman's Club on wheels
05 C5 2.0 HDI 138 Exclusive - gone but not forgotten
05 C5 2.0 HDI 138 VTR - crushed May 2015
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myglaren
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Re: C5 Brake Pedal Solid

Post by myglaren »

Suspect the vacuum pump, servo or the vacuum lines between them.
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