Re: OT...Granny Emergency

Posted by Vern-MI on July 13, 2006 at 10:14:49 from (207.69.137.201):

In Reply to: OT...Granny Emergency posted by John M on July 12, 2006 at 18:40:14:

I'm going to assume that your Impala has the Delco ABS VI System. It sounds like you have a problem with one of the ABS solenoids leaking. The solenoids can be tested by first releasing the motor for the circuit under test, then turning on the solenoid with the scanner tool. You want to take it to a reputable service shop so they can use their scanner / controller. When the pedal is depressed, it should be very high and firm. If the pedal goes nearly to the floor, the solenoid may be leaking or not fully closing, and / or the check ball for that circuit may be leaking. While holding pressure on the pedal, turn the solenoid off with your scanner. The brake pedal should drop immediately. It could also be an intermittent problem with your Electronic Brake Control Module (EBCM) not turning on the solenoid for some reason such as a poor connection or bad wire or just a bad module.

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