RETURN OF ALL BOSCH ANTILOCK BRAKE SYSTEM. Buick Riviera 1991

REVISED: 05/05/95

THIS BULLETIN IS BEING REVISED TO INFORM "GM OF CANADA" AND "NAES" DEALERS THAT THEY ARE NOT AUTHORIZED TO UTILIZE THIS SERVICE BULLETIN. ----------------------------------------------------------------------

"GM OF CANADA" AND "NAES" DEALERS ARE NOT AUTHORIZED TO UTILIZE THIS SERVICE BULLETIN.

SUBJECT: RETURN OF ALL BOSCH ANTILOCK BRAKE SYSTEM PARTS

MODELS: 1991-94 BUICK ROADMASTER 1991-93 BUICK RIVIERA 1987-93 CADILLAC ALLANTE 1991-94 CADILLAC ELDORADO 1991-94 CADILLAC SEVILLE 1990-94 CADILLAC BROUGHAM/FLEETWOOD BROUGHAM (RWD) 1994 CADILLAC DEVILLE 1994 CADILLAC DEVILLE CONCOURS 1991-93 CHEVROLET CAPRICE 1986-94 CHEVROLET CORVETTE 1991-92 OLDSMOBILE CUSTOM CRUISER WAGON 1991-92 OLDSMOBILE TORONADO

GENERAL MOTORS HAS HAD BOSCH ANTILOCK BRAKE SYSTEM PARTS ON RETURN FOR SOME TIME NOW. AN AUDIT OF PARTS RETURNED BY THE DEALERS SHOWS THAT SOME DEALERS ARE NOT RETURNING THE PARTS THAT WE HAVE REQUESTED BACK. AS YOU CAN APPRECIATE, IT IS ONLY THROUGH ANALYSIS OF THESE PARTS THAT WE CAN PROPERLY EVALUATE PRODUCT PERFORMANCE AND WORK TOWARD CORRECTION OF THE PRODUCT CONCERN.

EFFECTIVE IMMEDIATELY WE WOULD LIKE TO ENSURE THAT **ALL** BOSCH ANTILOCK AND TRACTION CONTROL PARTS ARE PROMPTLY RETURNED TO THE ADDRESS INDICATED.

RETURNED PARTS SHOULD BE ACCOMPANIED BY THE REPAIR ORDER DETAILING THE CUSTOMER CONCERN AND TECHNICIAN'S FINDINGS.

THIS REQUEST IS BEING MADE TO ALL GENERAL MOTORS CAR DIVISIONS THAT USE BOSCH ANTILOCK BRAKE AND TRACTION CONTROL COMPONENTS.

ATTACHED IS A DETAILED LIST OF THE REQUESTED ANTILOCK BRAKE SYSTEM PARTS THAT WE WOULD LIKE RETURNED IMMEDIATELY.

ONLY THE MOST CURRENT SERVICE PART NUMBERS ARE LISTED. **HOWEVER, INCLUSION OF ALL SUPERSEDED NUMBERS IS IMPLIED.** REFER TO THIS LIST FOR LABOR CODE AND VEHICLE APPLICATION WHENEVER YOU REMOVE A BOSCH ANTILOCK AND/OR TRACTION CONTROL PART FROM A G.M. VEHICLE.

ALL PARTS SHOULD BE RETURNED TO THE FOLLOWING ADDRESS:

ROBERT BOSCH CORPORATION 3800 HILLS TECH DRIVE FARMINGTON HILLS, MI 48331-3417

FOR REIMBURSEMENT OF ADMINISTRATIVE AND SHIPPING CHARGES, USE LABOR OPERATION Z7200.

WARRANTY PROCESSING

** BUICK **

MODEL LABOR PART NAME P/N YEARS CARLINE CODES DIVISION

BPM VALVE 10230586 91-93 B H2480 4 BPM VALVE 10224914 94 B H2480 4 BPM VALVE 03542471 91-93 E H2480 4

EBCM 10178788 91 B H2505 4 EBCM, EBTCM 10232762 92-93 B H2505 4 EBCM 10208500 94 B H2505 4 EBCM, EBTCM 03534410 91-93 E H2505 4

** CADILLAC **

MODEL LABOR PART NAME P/N YEARS CARLINE CODES DIVISION

ASR PLUNGER 03523961 89-92 V H2519 6

BPM VALVE 03543704 90-92 D H2480 6 BPM VALVE 10235212 93-94 D H2480 6 BPM VALVE 03542471 91-94 E/K/KD H2480 6 BPM VALVE 03544012 93-94 E/K/KD/KF/KS/V H2480 6

EBCM 01646007 90-92 D H2505 6 EBTCM 10178754 93 D H2505 6 EBTCM 10203067 94 D H2505 6 EBCM, EBTCM 03534410 91 E/K H2505 6 EBCM 03534409 92-94 E/K/KD H2505 6 EBTCM 03530998 94 E/KF/KS H2505 6 EBTCM 03536288 94 KD H2505 6 EBTCM 03538819 94 KD H2505 6 ECU 01638548 87-89 V H2505 6 ECU 01649943 90-92 V H2505 6 EBTCM 03538793 93 V H2505 6

HYD. MODULATOR 03636719 87-92 V H2480 6

PRESSURE SWITCH 03523956 87-92 V H2494 6

PUMP/MOTOR 01642472 87-92 V H2498 6

SENSOR BLOCK 03523319 87-92 V H2510 6

** CHEVROLET **

MODEL LABOR PART NAME P/N YEARS CARLINE CODES DIVISION

BPM VALVE 10230586 91-93 B H2480 1 BPM VALVE 10224914 94 B H2480 1 BPM VALVE 12506759 86-91 Y H2480 1 BPM VALVE 12516323 92-94 Y H2480 1

EBCM, EBTCM 10232762 91-93 B H2505 1 EBCM 10208500 94 B H2505 1 EBCM 14103343 86-89 Y H2505 1 EBTCM 10223326 90-91 Y H2505 1 EBTCM 10241014 92-94 Y H2505 1

** OLDSMOBILE **

MODEL LABOR PART NAME P/N YEARS CARLINE CODES DIVISION

BPM VALVE 10230586 91-92 B H2480 3 BPM VALVE 03542471 91-92 E H2480 3

EBCM, EBTCM 10232762 91-92 B H2505 3 EBCM, EBTCM 03534410 91-92 E H2505 3

FIGURES: 0

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.