POOR AIR FLOW FROM SIDE WINDOW DEFROSTER DUCTS-SEAL DOOR DUCT. Buick Park Avenue 1991

APPLICATION:

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1991-93 BUICK PARK AVENUE 1992-93 BUICK LESABRE

CONDITION:

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LITTLE TO NO AIR FLOW FROM SIDE WINDOW DEFROSTER DUCTS IN ANY HEAT OR A/C MODE.

CAUSE:

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AIR FLOW BLEEDING OFF BETWEEN DOOR PAD AND SIDE DEFROSTER DUCT DUE TO VARIATION IN MATING SURFACE.

CORRECTION:

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REMOVE -

1. DOOR TRIM PAD, REFER TO SERVICE MANUAL PROCEDURE IN SECTION 10-6.

2. SIDE WINDOW DEFROSTER DUCT.

3. SEAL PERIMETER OF DEFROSTER DUCT AT ALL MATING SURFACES WITH RTV SILICONE.

INSTALL -

1. DEFROSTER DUCT TO DOOR PAD.

NOTICE: IF DUCT WAS STAPLED IN PLACE, INSTALL WITH SCREWS, P/N 11515959, (3 SCREWS REQUIRED FOR EACH DUCT).

2. DOOR PAD TO DOOR, REFER TO SERVICE MANUAL PROCEDURE IN SECTION 10-6.

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

LABOR OPERATION NUMBER: T3341 LABOR TIME: .9 HRS (BOTH SIDES)

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.