SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIGHT
ON MARCH 27, 2004 MY WIFE NOTICED THE BRAKE PEDAL FEELING STIFF ON OUR 1999 PONTIAC MONTANA. THE FOLLOWING DAY THE "BRAKE", "ABS" & "TCS" LIGHTS CAME ONE. I CHECKED ALL THE BRAKE SHOES, CALIPERS ETC AND FOUND THEM TO BE IN GOOD ORDER. AFTER HAVING A DIAGNOSTIC CONDUCTED IT WAS EXPLAINED THE ABS AND BRAKE MODULES HAD FAILED. I AM CONCERNED WITH THESE TWO SYSTEMS FAILING SIMULTANEOUSLY.*AK
2003
SERVICE BRAKES, HYDRAULIC
DURING THE FIRST BRAKING, THE VEHICLE BRAKE LET GO FOR A BRIEF SECOND. THIS HAPPENS ON DRY PAVEMENT DURING A NORMAL STOP. IT WAS EXPLAINED FROM THE DEALER THAT THE RUST BUILD-UP ON THE ROTORS MAY BE CAUSING THE BRAKE TO LOCKUP CAUSING THE ANTI-LOCK BRAKES TO FUNCTION. THIS IS A VERY SCARY SITUATION WHEN PULLING UP TO A STOP WITH A CAR IN FRONT OF YOU AND THE CAR WILL LURCH FORWARD WITH YOUR FOOT PUSHING DOWN ON THE BRAKE PEDAL.*JB