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Re: ABS symptoms but no warning lights...
Posted by JohnK (more from JohnK) on Wed, 16 Jun 2004 08:48:28
In Reply to: ABS symptoms but no warning lights..., Suzanne, Tue, 15 Jun 2004 16:06:42
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The only time I had your symptoms was when a pressure accumulator was bad, but you really need to have an expert fix this right away.
With the ignition off, I would pump the brakes several times until the pedal gets hard. Now turn the key to run(not start) with your foot on the brake. How long does it take for the pedal to get soft? Do you hear the ABS pump buzzing? If the pump is not buzzing, I have a hunch that your mechanic is right and the low pressure switch is not telling the pump to run or maybe you have a sticky/bad pump relay. Have a helper give the relay(in engine compartment near power steering resevoir) a whack with a screwdriver. If the pump kicks in, the relay is bad.
If the pump buzzes, then I would suspect the accumulator, but not sure since you did not get the lights for >10 pumps. Can you mechanic pull the ABS codes that might be in the computer?
posted by 208.208.152...
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