General Information

Article No.
94-20-13

10/15/94

^ BRAKES - PULL OR DRIFT - DIAGNOSTIC AND SERVICE PROCEDURE - 4X2 AND 4X4 MODELS

^ STEERING - PULL OR DRIFT - DIAGNOSTIC AND SERVICE PROCEDURE - 4X2 AND 4X4 MODELS

LIGHT TRUCK:
1992-93 BRONCO, E-150, F-150

ISSUE:
A comprehensive pull and drift diagnostic procedure has been developed to assist technicians in resolving pull or drift concerns.

ACTION:
Use the following service procedure to resolve drift and pull concerns.

NOTE:
THE FOLLOWING DEFINITIONS ARE PERTINENT TO THIS TSB:

^ BRAKE PULL: WHEN DRIVING ON A FLAT, STRAIGHT ROAD (WITHOUT A CROWN), THE VEHICLE ALTERS FROM A STRAIGHT COURSE DURING APPLICATION OF BRAKES WITH TORQUE FELT IN STEERING WHEEL.

^ RECESSION STEER: WHEN DRIVING ON A FLAT, STRAIGHT ROAD (WITHOUT A CROWN), THE VEHICLE DRIFTS RIGHT OR LEFT DURING APPLICATION OF BRAKES WITH NO TORQUE FELT IN STEERING WHEEL.

^ STEADY-STATE DRIFT: WHEN DRIVING ON A FLAT, STRAIGHT ROAD (WITHOUT A CROWN) THE VEHICLE ALTERS FROM A STRAIGHT COURSE WITHOUT APPLYING THE BRAKES.

OTHER APPLICABLE ARTICLES: 91-21-8
WARRANTY STATUS:
Eligible Under Basic Warranty Coverage

OPERATION DESCRIPTION TIME
942013A Procedure # 1 0.6 Hr.
942013B Procedure # 2 - E-150 2.2 Hrs.
942013C Procedure # 2 - F-150, 2.1 Hrs.
Bronco
942013D Procedure # 3 0.6 Hr.
942013E Procedure # 4 - F-150 1.6 Hrs.
942013F Procedure # 4 - Bronco 1.2 Hrs.
942013G Procedure # 5 2.6 Hrs.
942013H Additional Time After 2.0 Hrs.
Procedure # 5 - Replace
Front Brake Pads and
Machine Rotors - E-150,
F-150 4X2
9420131 Additional Time After 2.1 Hrs.
Procedure # 5 - Replace
Front Brake Pads and
Machine Rotors - Bronco,
F-150 4X4
942013J Additional Time After 1.4 Hrs.
Procedure # 5 - Replace
Rear Brake Shoes and
Machine Drums - All Models

DEALER CODING
BASIC PART NO. CONDITION CODE
2001 08

OASIS CODES: 301000