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Car Forum / Honda Cars / January 2006ABS Problem - 94 Accord
I have a 1994 Accord EX wagon that was involved in a accident that required replacement of the ABS unit. I've purchased 2 different used units in addition to the original unit, had them installed and the system bled but the same problem occurs. It makes a whining noise when I first start the car and then the noise stops eventually. The other problem is that the ABS light comes on and and stays on and the brakes don't work without a lot of foot effort. Any guesses on what is causing the failure? Master cyclinder? or vacuum brake booster? According to my mechanic, he says its not the vacuum booster or master brake cylinder... On 1/13/06 7:12 AM, in article 160688b6342b0be48d12ecf2f56268aa@localhost.talkaboutautos.com, "gerwan" <gerald.mcgowan@robins.af.mil> wrote: > I have a 1994 Accord EX wagon that was involved in a accident that required > replacement of the ABS unit. I've purchased 2 different used units in > addition to the original unit, had them installed and the system bled but > the same problem occurs. It makes a whining noise when I first start the > car and then the noise stops eventually. Probably the ABS unit trying to pressurize (and probably failing). Is this the same or similar noise that it used to make just once for a second or so when you first turned on the car (before the accident)? > The other problem is that the > ABS light comes on and and stays on I'm guessing that your used ABS unit is no good, or whoever installed it didn't do something right. You can short the SCS connector and it will blink out an ABS trouble code. I would start there and see what it thinks its problem is. >and the brakes don't work without a > lot of foot effort. Any guesses on what is causing the failure? Power brake booster is dead or something is seriously wrong in the brakes themselves. If this accident was severe enough to warrant replacement of the ABS unit, how did the actual brakes at the front wheels make out? The wheel itself wasn't damaged. The damage was right at the front left corner and it broke a piece off the ABS unit and pinched a number of the lines that go to it. I had to have the fender, hood, radiator support bracket, and upper control arm replaced. Everything else could be straightened. I din't notice a noise before the accident but to be honest, I wasn't listening for one. I had read somewhere that the ABS unit needed to be bled a number of times in order to get the air out of it but i don't remember where I got that info. I'll have to check with my mechanic to see if he can check the code. Otherwise, I'll have to break down and take it to the dealership ($$$$) and let them figure it out. Thanks. >The wheel itself wasn't damaged. The damage was right at the front left >corner and it broke a piece off the ABS unit and pinched a number of the [quoted text clipped - 7 lines] >down and take it to the dealership ($$$$) and let them figure it out. >Thanks. If it is like my '94 integra with separate fluid supply, there is a long and complicated bleed procedure. |
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