LOOSE LUMBER NOISE FROM REAR OF VEHICLE. Chevrolet Lumina 1995

SUBJECT: LOOSE LUMBER NOISE FROM REAR OF VEHICLE (REPLACE REAR COIL SPRINGS)

MODELS: 1995 CHEVROLET LUMINA, MONTE CARLO

VIN PLANT BREAKPOINT ===== ==========

OSHAWA #1 SOP THROUGH S9167826 OSHAWA #2 SOP THROUGH S1185040

CONDITION:

SOME VEHICLES ASSEMBLED BETWEEN VIN BREAKPOINTS INDICATED ABOVE MAY EXHIBIT A LOOSE LUMBER TYPE NOISE MOST APPARENT DURING LOW SPEED OPERATION OVER AN IRREGULAR ROAD SURFACE.

CAUSE:

NOISE GENERATED BY COILS OF REAR SPRINGS CONTACTING ONE ANOTHER AND BEING TRANSMITTED INTO VEHICLE PASSENGER COMPARTMENT.

CORRECTION:

REPLACE EXISTING REAR COIL SPRINGS WITH NEW SPRINGS FOLLOWING APPLICABLE SERVICE PROCEDURE IN THE SERVICE MANUAL, SECTION 3D, REAR SUSPENSION. PROPER NEW SPRING SELECTION CAN BE MADE BY IDENTIFYING EXISTING SPRINGS BY THE THREE LETTER CODE ON THE TAG ATTACHED TO SPRINGS AND REFERENCING CHART BELOW:

EXISTING NEW SPRING SPRING CODE PART NUMBER (CODE) =========== =========== ====== TUD 10276581 (THA) TUF 10276582 (THB) TUH 10276583 (THC) TUJ 10276584 (THD) TUK 10276585 (THP) TUL 10276586 (THU) TUS 10276588 (THY) TUT 10276589 (THZ) TUU 10276590 (TJA) TUW 10276591 (TJB) TUX 10276592 (TJC)

PARTS INFORMATION:

PARTS ARE EXPECTED TO BE AVAILABLE ON SEPTEMBER 18, 1995.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: E5027 USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 00 ATTACHMENTS: 00

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.