ABS BRAKING SYSTEM DIAGNOSIS

WARNING: SOME OPERATIONS IN THIS SECTION REQUIRE THAT HYDRAULIC TUBES, HOSES AND FITTINGS BE DISCONNECTED FOR INSPECTION OR TESTING PURPOSES. THIS BRAKE SYSTEM USES A HYDRAULIC ACCUMULATOR THAT, WHEN FULLY CHARGED, CONTAINS BRAKE FLUID AT HIGH PRESSURE. BEFORE DISCONNECTING ANY HYDRAULIC TUBE, HOSE OR FITTING. BE SURE THAT THE ACCUMULATOR IS FULLY DE-PRESSURIZED AS DESCRIBED IN THIS SECTION. FAILURE TO DEPRESSURIZE THE ACCUMULATOR MAY RESULT IN PERSONAL INJURY AND/OR DAMAGE TO PAINTED SURFACES.

CAUTION: Certain components of the Anti-Lock Brake System (ABS) are not intended to be serviced individually. Attempting to remove or disconnect certain system components, may result in personal injury and/or improper system operation. Only those components with approved removal, service and installation procedures described in this manual should be serviced.

GENERAL INFORMATION

This section contains information necessary for diagnosis of mechanical conditions that can affect the operation of the Bendix AntiLock 10 Brake System. Specifically, this section should be used to help diagnose mechanical conditions that result in any of the following:

CAUTION: Review this entire section before performing any mechanical work on a vehicle equipped with the Bendix Anti-Lock 10 brake system. For information on precautions pertaining to potential component damage, vehicle damage and personal injury.

(1)Anti-Lock warning lamp illuminated

(2)BRAKE warning lamp on

(3)Lack of Power Assist or Excessive Pedal Travel

(4)Brakes Lock on Hard Application

Diagnosis of conditions that are obviously mechanical in nature. Such as brake noise, brake pulsation, or vehicle vibration during normal braking. Should be directed to Group 5 Brakes in the service manual. This also pertains to problems involving the parking brake system.