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Anonymous Poster
black_thunder1995@yahoo.com
Nov 24, 2007, 4:13 PM
Post #1 of 2
(1453 views)
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brake imbalace?????
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2000 mitsubishi diamante
160,000 miles 3.5L, automatic
i failed inspection for rear brake inbalance. 800lbs drivers side 300lbs pass side. first impression was failing rubber line from caliper to hard line. possible expanding? replaced the line. still failed again.
flushed the entire system with abs safe synthetic dot 3-4 fluid to make sure that it was not fluid breakdown. no air in any line double and tripple checked all fluid runs clean and air free. still not gripping to capacity. all other wheels at same capacity if not better on test.
removed caliper tested sliders and caliper function. the sliders are free moving and lubricated properly. the piston retracts and extends with no hangups. just not enough pressure. checked hard lines from rear axle to front of car. no leaks or breaks.
pedal is not rock hard in the top cycle but hard enough. secondary or 1/2" pedal hard to pass that point. front brakes are at 100% capacity
drivers side rear is at 100% as per printout
pass side rear is at 20-30% capacity. as per printout
pads are almost new and will be replaced again when they come in from mitsubishi. they show no signs of glazing or flaking due to exessive heat and i also soaked the pads with brake kleen just in case some oil may have gotten on them from the road or wherever.
when i put the brakes under heavy load the fronts lock up momentarily and the drivers rear does as well, however the passenger side rear has a bad what sounds like abs chatter. like a da da da da da da da da........ the abs light has not come on nore are the other wheels malfuntioning in abs mode. knowing that each wheel has an abs hard line from the modulator to the wheel and there is no brake balance adjustment i am at a loss.
i would think a bad abs pump modulator would throw an abs check light.
please help
thanks in advance
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 24, 2007, 5:10 PM
Post #2 of 2
(1446 views)
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Re: brake imbalace?????
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Are these new pads just for while you wait for the OE new ones? Have they been put in on the old rotors without turning the rotors and given a chance to break in? BrakeKleen should dry but may take a while if you literally soaked pads in the stuff,
T
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