Mechanics

BRAKES ARE SPUNGY

1986 Mercedes Benz 420sel

Brakes problem
1986 Mercedes Benz 420sel V8 Automatic 175000 miles

Brakes were very soft. Discovered DOT 3 fluid was in the brake system. DOT 4 is required.
We have drained the system and replace DOT 3 with DOT 4. Front brake calibers and the master brake cylinder also replaced.
We are in the process of flushing out the system now and have completed the portion of the line from the resevoure through the ABS system. At this point the brakes are still spungy but better than since we replaced the master cylinder.
QUESTION: Is there any parts to the braking system on this car that I have overlooked? Is there such a thing as a hydrolic pump or other componts to this braking system that I have to check out?
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Roymaus
February 19, 2009.




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