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Hard brake pedal in the morning (not powered) 200 1992

posted by  DbVdb on  Tue Dec 27 02:20 CST 2005
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last visit: Sun Oct 21 01:12 CST 2007
[RELATED]

Firstly: all the best for the new year to you all.


Question: Since the temperature has dropped I've noticed that my brake pedal is very hard in the morning (after a night in the garage). Just like when you've pumped the pedal a couple of times with the engine off.
When I start the car the pedal drops a bit instantly and all's back to normal, until the car has had to sit for a night again.
Is this normal?

If not, am I right to think the vacuum check valve in the booster is the likely culprit?

How would one go about at changing this valve, or is this a job for experienced technicians?


Thanks in advance,

Dietbrand Vandenberghe
--
'92 Volvo 240GL 6cyl. Diesel






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