WATER LEAKS FROM REAR A/C INTO REAR COMPARTMENT. GMC Truck Yukon

SUBJECT: WATER LEAKS FROM REAR A/C INTO REAR COMPARTMENT AND C-PILLAR DUCT (INSTALL DEFLECTOR KIT)

MODELS: 1995-97 CHEVROLET AND GMC TAHOE/YUKON (4 DOOR ONLY) WITH DEALER INSTALLED REAR AUXILIARY AIR CONDITIONING SUPPLIED BY GMSPO

CONDITION:

AN OWNER MAY REPORT THAT THE DEALER INSTALLED REAR AUXILIARY AIR CONDITIONING LEAKS WATER (CONDENSATION) INTO THE REAR COMPARTMENT AND C-PILLAR DUCT AREA. THIS CONDITION IS MORE LIKELY TO OCCUR DURING A/C USAGE, ESPECIALLY ON HOT DAYS WITH HIGH HUMIDITY.

CAUSE:

THE REAR AUXILIARY AIR CONDITIONING MODULE CASE ALLOWS CONDENSATION TO LEAK INTO THE BLOWER MOTOR AREA AND DOES NOT PROPERLY DEFLECT WATER TO THE DRAIN. IN ADDITION, WATER DROPLETS CAN BECOME AIRBORNE FROM THE EVAPORATOR CORE DURING HIGH BLOWER OPERATION AND LEAK BEHIND THE C-PILLAR DUCT.

CORRECTION:

INSTALL P/N 12375492, DEFLECTOR KIT INTO THE REAR AUXILIARY A/C MODULE CASE PER THE INSTALLATION INSTRUCTIONS PROVIDED WITH THE KIT. THE KIT INCLUDES A DEFLECTOR PLATE, FOAM INSULATION, SEALING MATERIAL, IMPINGEMENT FOAM AND PLASTIC RETAINER PINS.

IMPORTANT: FOR PARTS IN DEALER INVENTORY, P/N 12388507, A/C MODULE KIT CONTAINING THE DEFLECTOR KIT ARE IDENTIFIED BY A YELLOW DOT ON THE OUTSIDE OF BOTH THE BOX AND A/C MODULE CASE. MODULE KITS IN DEALER INVENTORY WITHOUT A YELLOW DOT ARE TO BE RETURNED TO THE SOURCE FOR EXCHANGE BY CONTACTING: SIGNET SYSTEMS INC. (CUSTOMER SERVICE) @ 1-800-377-6639 EXTENSION 306. DO NOT RETURN PARTS TO GMSPO.

PART INFORMATION:

P/N DESCRIPTION QTY 12375492 DEFLECTOR KIT, A/C EVAPORATOR WATER 1

PARTS ARE EXPECTED TO BE AVAILABLE FROM GMSPO ON 11/25/96.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME T-2220 DEFLECTOR KIT - INSTALL 1.9 HR (ON VEHICLE REPAIR ONLY)

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.