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05:27:37 - 04/23/2024
General Dakota Board
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Kev
Dodge Dakota
JOIN HERE
4/26/2004
13:17:35
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 Subject: Spongy Brake pedal
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Message:
But only after being stopped for around 10 - 20 seconds.
The brakes work fine in stoping the truck (1990 Dakota 4 X 4). Then, after sitting at a stop light for around 10 seconds or more, the pedal starts to slowly inch it's way to the floor. If I release and re-engage it goes through the same cycle, nice firm pedal at first, but then slowly towards the floor after some time passes.
The front and rear brakes have been redone recently, I bled them again to make sure all air was out, the master cylinder is only a year old...I am suspecting the RWAL control valve after seeing a TSB that resembled the problem.
Any other ideas?? my back-up plan is that the Master Cylinder has failed again.
Thanks in advance.....and yes, the Brake and RWAL lights come on on the dash, but then go out after I recycle the brake pedal......no fluid leaks either.
Kevin
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?
Dodge Dakota
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4/27/2004
10:29:29
| RE: Spongy Brake pedal
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Message:
How old is master ?
Sounds as if it failed again..
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Kev
Dodge Dakota
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4/27/2004
11:50:40
| RE: Spongy Brake pedal
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Message:
Less than a year old.
Tell ya what though, I've done a lot of research and I still need to disconnect and plug the rear section, test with just the fronts to see if the problems remains. If it goes away with rears disconnected, it's the E-H valve and not the master cyl. according to a Wagner brake TSB I have on RWAL for this particular year. Even a piece of dirt in the Electro-Hydraulic valve can give false symptoms of a bad master cylinder.
I'll tackle it this weekend and let everyone know the results.
Thanks all.
Kevin
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