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Brakes - Kelsey-Hayes 4WAL Parts Availability

File In Section: 5 - Brakes

Bulletin No.: 36-50-06

Date: November, 1994

INFORMATION

Subject:
Kelsey-Hayes 4WAL Program

Models:
1990-95 Chevrolet and GMC Truck Light Duty Models
1991-95 Oldsmobile Bravada with 4WAL System (Kelsey-Hayes EBC-4(R))

This bulletin is being revised to add the 1995 model year and to announce the cancellation of the part restriction program on the Kelsey Hayes EBC-4(R) 4WAL brake system. Previous divisional publication numbers were:

Chevrolet 93-226-5
GMC Truck 93-5E-86
Oldsmobile 93-T-67

Effective November 1, 1994 the part restriction program is canceled on the Kelsey Hayes EBC-4(R) 4WAL brake system. It will no longer be necessary to contact the Kelsey Hayes Technical Assistance Center (K-TAC) to obtain an EBC-4(R) brake pressure modulator valve (BPMV) however, K-TAC will continue to be available for antilock brake system diagnostic and repair assistance.

The following models are equipped with the EBC-4(R) 4WAL brake system:

^ 1993-95 G Van

^ 1990-95 M/L Van

^ 1991-95 S/T Trucks

^ 1992-94 C/K Suburbans and Utilities

Notice:
All 1995 C/K models are equipped with the new Kelsey Hayes EBC-310(R) 4WAL brake system. The part restriction program as described in service bulletin 46-50-07 remains in effect on these models.

If careful diagnosis indicates that a replacement EBC-4(R) brake pressure modulator valve (BPMV) is required, orders can be processed directly through GMSPO. A core charge of $250 will be in effect.

Core return procedures will be included in each shipment. To receive core credit the BPMV core return procedures must be followed.

The following Kelsey Hayes Technical Assistance (K-TAC) phone number is for dealer use only:

1-800-546-4ABS (4227)








Prior to calling K-TAC for diagnostic and repair assistance, please complete the diagnostic sheet.

Note:
K-TAC DOES NOT have warranty approval authority. If there is a concern for repairs, it is recommended that you contact your divisional representative for approval PRIOR to making repairs.

K-TAC phones will be manned from 8:00 a.m. until 7:00 p.m. EST, Monday through Friday. The remainder of the time an automated answering machine will take the information for a callback.

The information you provide will help to quickly identify and correct conditions which affect our customers' satisfaction.