Join Date: Sep 2010
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Re: Brake Problem Diagnosis
Engine off and pump the brake pedal , it should go solid after a few pumps. Keep your foot on the pedal and start the engine and the pedal should sink slightly, this shows the servo is operating.
The fluid should be spotless ,maybe this is where your problem is coming from.
If you had a leak somewhere then the fluid wouldn`t be long in vanishing.
I would replace the fluid first and take it from there.
Currently in KennyN's garage:
`10 Mercedes CLS , `07 Scenic , `03 ZX12R , `01 ZRX1100 , `84 GPZ1000 , `06 Clio Campus