Technical Braking System 2.0 HGT 147 BHP

kevin47 · May 17, 2010

Hi, My car has been parked up for several months and i,m due MOT, But I seem to have no brakes. They just feel hard with no give at all. When driving and apply brakes it just seems to carry on.
I also have a light on the dash which I havent a clue what it means, I've checked all brake lights and there fine. And I know the brakes were fine when I parked her up. Any help here please as this as got me stumped.
Cheers
Kevin:bang:

aurick86 · May 18, 2010

I think the servo pump has gone.. it has a rubber membrane that sometimes fails.
as far as i know the servo uses vacum from the engine intake.
if that rubber membrane goes.. it can not keep the vacum.
does the engine have a eratic idle?.. what abowt when braking?
if so the servo is at fault.

one test you could do:
remove one front wheel..
take the brake caliper off the brake disk and then push the brake pedal.. if it goes, than you can be sure it's the servo.

the lights you are showing.. one is for the lighting in the car and one shoes that some doors are not closed.

kevin47 · May 18, 2010

aurick86 said:
I think the servo pump has gone.. it has a rubber membrane that sometimes fails.
as far as i know the servo uses vacum from the engine intake.
if that rubber membrane goes.. it can not keep the vacum.
does the engine have a eratic idle?.. what abowt when braking?
if so the servo is at fault.

one test you could do:
remove one front wheel..
take the brake caliper off the brake disk and then push the brake pedal.. if it goes, than you can be sure it's the servo.

the lights you are showing.. one is for the lighting in the car and one shoes that some doors are not closed.

Thanks Aurick, I've tested the servo by pumping the pedal without engine going then I started it and pedal when down this is a sure sign that the servo is working. But I will carry out your test. So your saying remove caliper and press pedal, this will obviously push the piston out to my knowledge. Have I got it right.
Cheers
Kevin

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