Break pedal very hard just after start

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02-08-2010, 05:57 PM

druhboruch

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Break pedal very hard just after start

When I start my S40 2004 the break pedal becomes very hard.
I press hard on it but the car doesn't want to stop.
After 1 minute everything is back to normal.

Any hint what would be the cause?
Is it safe to drive?

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02-08-2010, 08:28 PM

tech

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The valve that controls the brake vacuum pump might be bad. It is on the front of the booster.

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02-09-2010, 09:13 AM

Lyonsroar

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Quote:

Originally Posted by druhboruch

There was a recall for this very thing on the 2000's.

Absolutely it is NOT safe to drive.

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02-09-2010, 02:35 PM

druhboruch

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Thanks for your kind reply.

Now I know what to do....

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