Vehicle - Pull Or Drift Diagnostics/Service Procedures: Overview

Article No.
98-5A-22

03/18/98

^ BRAKES - PULL OR DRIFT - DIAGNOSTIC AND
SERVICE PROCEDURE

^ STEERING - PULL OR DRIFT - DIAGNOSTIC AND
SERVICE PROCEDURE

LIGHT TRUCK:
1988-94 RANGER
1991-94 EXPLORER

ISSUE:
A comprehensive pull and drift diagnostic procedure has been developed to assist technicians with vehicle service.

ACTION:
Use the following Service Procedure to resolve drift and pull concerns.

Proceed with the Pull and Drift Diagnostic Procedure it the pull or drift is not significantly reduced or where there is a case of steady state drift (no braking).

A Diagnostic Check List has been provided at the end of this article to use with this procedure.

NOTE:
THIS TSB ARTICLE SHOULD BE READ COMPLETELY BEFORE PERFORMING DIAGNOSTICS OR REPAIRS.

PART NUMBER PART NAME

F7AZ-3F823-A Premium Power Steering Fluid
D7AZ-19A331-A Silicone Brake caliper Grease And
Dielectric Compound
F1TZ-3B203-B Radius Arm Bushing (2 Req'd.)
F2TZ-2C15O-A Caliper Pin (4 Req'd.)

OTHER APPLICABLE ARTICLES: 90-7-16, 89-21-10
SUPERSEDES: 98-1-16
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage For 1992-94 Model Year Vehicles, Basic Warranty Coverage For All Other Model Years

OPERATION DESCRIPTION TIME

985A22A Service Procedure 1.3 Hr.
985A22B Road Test 0.3 Hr.
985A22C Procedure 1 1.9 Hr.
985A22D Procedure 2 2.4 Hr.
985A22E Procedure 3 0.5 Hr.
985A22F Procedure 4 0.9 Hr.
985A22G Procedure 6 2.3 Hr.

DEALER CODING
CONDITION
BASIC PART NO. CODE
PROCEDURE 1 - TIRE 07
PROCEDURE 2 - FRONT W6
PROCEDURE 3 - TIRE 07
PROCEDURE 4 - 3524 07
PROCEDURE 5 - FRONT W6
PROCEDURE 6 - 2005 42
PROCEDURE 7 - FRONT W6
ROAD TEST - FRONT W6

OASIS CODES: 301000, 303000