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Volvo 850 T-5 95 model spongy brake pedal

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Old Nov 21st, 2002, 22:27   #1
neal
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Default Volvo 850 T-5 95 model spongy brake pedal

Hi just wondering if anyone has come across problems with spongy brake pedal on this model i have bled brakes 3 times only for spongy feel 2 return after approx 3-4 months when brakes are applied for first time seem worse then when up and running seems to go away till next time car is started any clues be appreciated?
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Old Nov 22nd, 2002, 16:10   #2
Chris_Rogers
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Last Online: Apr 10th, 2017 17:55
Join Date: Jan 1970
Location: South Kent Coast
Default RE: Volvo 850 T-5 95 model spongy brake pedal

Could try:

http://www.volvoclub.org.uk/850_brakes.htm

Or if later Teeves system (ECU under the unit) post again and I'll try and answer.
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Old Nov 22nd, 2002, 19:07   #3
neal
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Default RE: Volvo 850 T-5 95 model spongy brake pedal

Hi thanks for help my car is earlier than this model affected and it has never lost any fluid and there are no visible leaks anywhere I read in haynes manual that the system sometimes requires pressure bleeding to fully remove air so far i have only used conventional method
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Old Nov 22nd, 2002, 22:27   #4
Chris_Rogers
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Last Online: Apr 10th, 2017 17:55
Join Date: Jan 1970
Location: South Kent Coast
Default RE: Volvo 850 T-5 95 model spongy brake pedal

I had a similar problem with my '96 car which has the later Teeves system.
Basically the problem was purging air from the ABS unit.
I was successful in the end but it took several goes.
I found the old method of pumping the pedal then standing on it while an assistant let the pressure go from each beed nipple in turn eventually worked.
The air seems to migrate to the rear circuit, it took about three goes to get it out. Once a week for about 3 weeks.
Good Luck!
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