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Brakes are NOT fixed.....pedal still soft!! What next...? 200 1985

Could it be possible that the piston is not returning all the way preventing the ports from the reservoirs from getting uncovered by the piston to allow fluid into the dual cylinders. I alluded to this on a much earlier post and suggested looking for the turbulance in the fluid reservoir.
Chris Herbst has suggested adjusting the push rod length longer but maybe check to see if needs to be shorter. I did not even know these were adjustable on Volvos. Could it be possible that the brake pedal is not returning fully for some reason and therby limiting full return of the master cyl piston.

I do not believe that a fault in the booster would cause a problem other than loss of assist power.

I feel for you and appreciate the extreme frustration you are experiencing. Try to keep a clear head under difficult circumstances.






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