DOOR STRIKER RATTLE WHEN DRVING(INST. DOOR LOCK/LATCH)

SUBJECT: DOOR STRIKER RATTLES WHEN DRIVING OVER BUMPS (INSTALL REDESIGNED DOOR LOCK/LATCH ASSEMBLY)

MODELS: 1988-93 C/K TRUCKS

CONDITION:

SOME OWNERS MAY COMMENT THAT THE DOOR STRIKER RATTLES WHEN THEY DRIVE OVER BUMPS.

CAUSE:

THE DOOR LOCK/LATCH OPENING DOES NOT PROVIDE ENOUGH CLEARANCE FOR THE DOOR TO MOVE ON THE STRIKER UNDER SEVERE ROAD CONDITIONS.

CORRECTION:

A NEW DOOR LOCK/LATCH ASSEMBLY (P/N 16629102(RH)/16629103(LH)) HAS BEEN DESIGNED WITH A WIDER LATCH OPENING.

SERVICE PROCEDURE:

1. REMOVE THE DOOR TRIM PANEL. PLEASE REFER TO SECTION 10A1 DOORS IN THE X-9331 LIGHT DUTY SERVICE MANUAL. 2. REMOVE THE SCREWS FROM THE DOOR MODULE. TILT THE MODULE OUTWARD AT THE TOP. 3. REMOVE THE LOCK CYLINDER ROD FROM THE LOCK CYLINDER. 4. REMOVE THE LOCK ROD. 5. REMOVE THE HANDLE ROD. 6. REMOVE THE LOCK SCREWS. 7. REMOVE THE DOOR LOCK/LATCH ASSEMBLY. 8. INSTALL THE REDESIGNED LATCH ASSEMBLY (P/N 16629102(RH), 1662903 (LH)). 9. INSTALL THE LOCK SCREWS. 10. INSTALL THE HANDLE ROD. 11. INSTALL THE LOCK ROD. 12. INSTALL THE LOCK CYLINDER ROD. 13. INSTALL THE SCREWS TO THE DOOR MODULE. 14. INSTALL THE TRIM PANEL. MAKE SURE THAT FASTENERS ARE STILL USABLE.

SERVICE PARTS INFORMATION

P/N DESCRIPTION QTY

16629102 DOOR LOCK/LATCH ASSEMBLY (RH) 1 16629103 DOOR LOCK/LATCH ASSEMBLY (LH) 1

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME B4260 LOCK, FRONT DOOR REPLACE (RH) USE PUBLISHED B4261 LOCK, FRONT DOOR REPLACE (LH) LABOR OPERATION TIME

FIGURES: 1

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.

COPYRIGHT 1993 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.