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No Brakes

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Old Mar 24th, 2020, 19:01   #1
lynns hubby
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Default No Brakes

2002 V40 1.9 Deisel
As usual, I am away at work, away from home and my daughter emails to tell me she has NO BRAKES. Apparently the pedal goes all the way to the floor.
She said it had been getting increasingly difficult to stop over the last few days
I have asked her to check the fluid and she has reported that the level is fine.
I know that with out looking at it its difficult to be conclusive, but that would suggest to me that all the pipes etc are fine with no leaks and the problem lies with the master Cyl.
Any one got a spare for sale ? I don't mind if I find I don't need it as I will keep it as the car has plenty of life left (hopefully)

Last edited by lynns hubby; Mar 24th, 2020 at 19:02. Reason: typo
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Old Mar 24th, 2020, 20:06   #2
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If there are no visible leaks anywhere, then most probably the master cylinder seals indeed. You will need to double check though to make sure that none of the rubber hoses or metal pipes have a small leak.

I have a spare one from a GDI, and I am 99% sure it is the same on all manual cars, but I will need to check first
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Old Mar 24th, 2020, 23:15   #3
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Have you asked her to try pumping the pedal to see if it gets harder, and then when she starts the engine, whether it sinks to the floor?

If she can build up the pressure that then goes, that's perhaps going to suggest a leaky servo.

I've driven a few vehicles that started doing that to me, scary, but at least I could get home before it was u/s.

It still won't be driveable for her, but it might be ok to be moved if you're going to do some work on it yourself.

Just a thought.
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Old Mar 25th, 2020, 10:54   #4
lynns hubby
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Thanks for the replies, the servo was my second thought but she will have to wait till I get home (late tomorrow night hopefully) and I can get it round and have a look. She is using my car for now.
I will check it out and see what's happening. Will PM you GATOS if I need the master cylinder. have you by any chance got a servo?
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Old Mar 27th, 2020, 14:25   #5
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For what I know a defect servo has nothing to do with the brake pedal going to the floor.The servo is a power help so you don't have to push very hard to activate the brakes.The only way for flooring the pedal is air in the circuit or master cylinder leaking inside.
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