Rear Anti-Lock Brakes - Adverse Characteristics

Article No.
93-17-9

08/18/93

^ BRAKES - REAR ANTI-LOCK BRAKE SYSTEM (RABS) - ADVERSE BRAKING CHARACTERISTICS - RABS WARNING LIGHT NOT ON, MAY OCCUR WHEN INCORRECT RABS MODULE IS INSTALLED - SERVICE TIP

^ BRAKES - REAR ANTI-LOCK BRAKE SYSTEM (RABS) - INCORRECT (RABS I) ELECTRONIC CONTROL UNIT INSTALLED IN RABS II EQUIPPED VEHICLES - SERVICE TIP

LIGHT TRUCK:
1987-90 BRONCO II
1987-92 BRONCO
1987-93 F-150-350 SERIES
1989-93 RANGER
1990-93 AEROSTAR, ECONOLINE
1991-92 EXPLORER

This TSB article is being republished in its entirety to extend the F-Series application to include F-150 through F-350 Vehicles.

ISSUE:
Adverse braking characteristics and failure of the RABS light to indicate a RABS failure may be caused by improper servicing of RABS II equipped vehicles with RABS I electronic control units.





ACTION:
When replacing a RABS electronic control unit, refer to the following RABS Module Chart for correct parts usage.

RABS II modules have been designed with Keep Alive Memory and are to be used to service all prior year RABS I systems, except for 1987 and 1988 Bronco II vehicles.





Parts Block

OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 93-15-16
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 206000, 301000