ABS Problem

LT4CE · #1 11-10-2003, 12:33 PM

'89 Coupe - Passes ABS 4pmh test. No antilock activity during extreme braking & rears will lock. Brake & Gauge fuses are good. All wiring is intact. Master cylinder & all calipers replaced, system flushed & new Super Blue fluid. Front brake ducts & s/s pistons in calipers too.

Any suggestions or experiences are greatly appreciated.

lino asiatico · #2 11-25-2003, 11:26 AM

look into proper opeation of abs relays in master cylinder

jetweb · #3 10-22-2004, 08:27 PM

I have the same problem
my light is on all the time

then i had a brake caliper lock up

goes away after i shut it off

need to change the relay and will see if that fixes it

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