INFO - MULTEC 2 SPECIAL DIAG. AND PARTS RETURN PROGRAM. GMC Truck GMC K Sierra

SUBJECT: INFORMATION - MULTEC 2 SPECIAL DIAGNOSTIC AND PARTS RETURN PROGRAM (EFFECTIVE FROM RELEASE OF NEW MODEL YEAR UNTIL JANUARY 1, 1999)

MODELS: 1999 OLDSMOBILE INTRIGUE WITH 3.5L V6 ENGINE (VIN H - RPO LX5)

1999 CHEVROLET AND GMC C/K MODELS WITH 5.3L V8 ENGINE (VIN T - RPO LM7)

MULTEC 2 INJECTORS ARE A COMPLETELY NEW DESIGN WITH SOME SIGNIFICANT BENEFITS OVER THE EXISTING MULTEC INJECTOR. IN AN EFFORT TO OBTAIN TIMELY CRITICAL CUSTOMER AND DEALERSHIP DIAGNOSTIC INFORMATION RELATED TO SUSPECT MULTEC 2 INJECTORS, ***SERVICE TECHNICIANS ARE REQUESTED TO CONTACT TECHNICAL ASSISTANCE PRIOR TO REPLACEMENT OF ANY SUSPECT MULTEC 2 INJECTOR.*** THIS IS NOT A PARTS RESTRICTION. IT IS A VOLUNTARY PROGRAM DESIGNED TO GATHER CRITICAL INFORMATION REGARDING INJECTOR DIAGNOSTICS AND TO ASSURE REPLACED INJECTORS ARE RETURNED PROMPTLY TO THE WARRANTY PARTS CENTER (WPC).

REQUESTED ACTION:

1. FOLLOW THE STRATEGY BASED DIAGNOSTICS IN THE GENERAL INFORMATION SECTION OF THE APPLICABLE SERVICE MANUAL; IF AN INJECTOR IS SUSPECT, COMPLETE THE ATTACHED DEALERSHIP QUESTIONNAIRE.

2. CALL TECHNICAL ASSISTANCE BEFORE REPLACING INJECTOR(S).

3. TECHNICAL ASSISTANCE WILL CONTACT A DELPHI ENGINEER TO REVIEW AND ASSIST IN THE DIAGNOSTICS AND RESOLUTION.

4. IF INJECTOR REPLACEMENT IS RECOMMENDED, THE SERVICE TECHNICIAN WILL BE ASKED TO EXPEDITE THE FILING OF THE WARRANTY CLAIM AND MAKE SURE THE INJECTOR IS SHIPPED IMMEDIATELY UPON RECEIPT OF CLAIM PAYMENT (DCS MESSAGE) TO THE WPC.

BENEFITS OF REQUESTED ACTION: FAST AND ACCURATE DIAGNOSIS ALONG WITH QUICK REPAIR AT THE LEAST POSSIBLE COST WILL RESULT IN SUPERIOR CUSTOMER SATISFACTION. NEW COMPONENTS AND SYSTEMS ON NEW ENGINES NEED SPECIAL ATTENTION TO ENSURE ANY NECESSARY CHANGES TO PRODUCT DESIGN, MANUFACTURING, OR DIAGNOSTIC DEVELOPMENT OCCUR AS QUICKLY AS POSSIBLE. THE SERVICE TECHNICIAN IS AN INTEGRAL PART OF THE DIAGNOSTIC PROCESS. FOLLOWING THE REQUESTED ACTION ABOVE ENSURES THAT INFORMATION AND PART RETURN FOR LABORATORY ANALYSIS OCCUR IN THE SHORTEST TIME POSSIBLE TO ENABLE ANY REQUIRED MODIFICATIONS TO THE PRODUCT AND/OR DIAGNOSTICS.

PARTS INFORMATION:

REPLACEMENT ENGINE TYPE PART NUMBER ----------- ----------- 3.5L V6 VIN H - RPO LX5 17113588 5.3L V8 VIN T - RPO LM7 17113582

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR LABOR CODE DESCRIPTION TIME ----- ----------- ----- J5650 INJECTOR FUEL, REPLACE USE PUBLISHED LABOR OPERATION TIME

FIGURES: 0 ATTACHMENTS: 2

Object Number: 484669 Size: FS

Object Number: 484671 Size: FS

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.