Quote:
Originally Posted by Hapeacres
My brake pedal goes to the floor on my 04 V8 and barely stops the truck. I stopped over at the local mechanic in town and he said it needs a new master cylinder which would be would be very expensive - he said over 2,000 off his head but he cannot get to it for a couple of weeks. Do you really need to replace the whole cylinder or is it just the booster pump part of it that needs replacing?
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It could be just the electric motor or accumulator and or pump, very seldom does the entire assembly go bad, if you can still hear the little motor running then you can rule that out, and start with the accumulator and or pump, the accumulator is the least expensive but be sure to get the O-ring that seals it.
The accumulator and pump can be bought as a assembly and would be the way I would go, but you can get the accumulator by itself, I haven't seen the pump sold as a separate part.
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