Brake failures

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03-09-2019, 09:43 PM

Pedro Panades

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Brake failures

Hey guys I’m having problems with my mk6 Jetta , after the car warms up the brakes starts to fade . When I press the brake the car does not stop right away it stills go on for some more than it stops , and even when I slam in game brakes it does not stop, any ideia what it might be going on

03-10-2019, 10:56 AM

Keithuk

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When was the brake fluid last flushed and replaced, every 3 years? You need to check the brake servo is working. A quick check is stop the engine pump the brake pedal a few times to exhaust any vacuum in the system. Hold your foot on the brake pedal and start the engine, the brake pedal should move down slightly.

03-10-2019, 06:17 PM

Pedro Panades

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So if the brakes go down after I start the engine is that bad or good ?

03-11-2019, 08:48 AM

Keithuk

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As I've said the brake pedal should move down slightly when you start the engine, that means the brake servo is working. There could be restricted vacuum check all pipes and connections.

You don't say which engine is fitted to this Jetta. Petrol engines have vacuum in the inlet manifold all the time. Diesel engines don't have vacuum they use an exhauster (vacuum pump) to make the vacuum for the brake servo.