INSUFFICIENT HEAT DISTRIBUTION OR LACK OF AIR FLOW. Cadillac Concours 1994

For 1990-2009 cars

# INSUFFICIENT HEAT DISTRIBUTION OR LACK OF AIR FLOW

REVISION: 02/01/96

#### THIS BULLETIN IS BEING REVISED TO ADD INFORMATION TO THE CORRECTION.

REVISION: 02/07/96

THIS BULLETIN IS BEING REVISED TO CHANGE THE APPLICABLE MODEL YEARS FOR THE CADILLAC DEVILLE. ----------------------------------------------------------------------

#### SUBJECT: INSUFFICIENT HEAT DISTRIBUTION OR LACK OF AIR FLOW FROM HEATER OUTLET (INSTALL ADDITIONAL HEATER DUCT)

#### MODELS: 1992-96 CADILLAC ELDORADO, SEVILLE 1994-96 CADILLAC CONCOURS, DEVILLE WITH 4.6L OR 4.9L ENGINES (VINS B, Y, 9 - RPOS L26, LD8, L37)

#### CONDITION:

SOME OWNERS MAY COMMENT ON INSUFFICIENT HEAT DISTRIBUTION OR LACK OF AIR FLOW FROM THE HEATER OUTLET CAUSING THE DRIVER'S FOOT TO BECOME COLD.

#### CORRECTION:

INSTALL AN ADDITIONAL HEATER DUCT, P/N 25646109, THAT DIRECTS AIR TOWARD THE DRIVER'S FOOT AND INCREASES AIR FLOW. THIS DUCT IS INSTALLED TO THE LEFT SIDE OF THE AIR DISTRIBUTOR BELOW THE MODE VALVE ACTUATOR. FIGURE 1 SHOWS THE LOCATION POINT OF THE TEMPLATE USED FOR CUTTING THE HOLE FOR THE ADDITIONAL DUCT. THE TEMPLATE RESTS ON THE LOWER EDGE OF THE AIR DISTRIBUTOR WHERE THE FLOOR OUTLET ASSEMBLY ATTACHES TO THE AIR DISTRIBUTOR. FIGURE 2 IS THE ACTUAL SIZE OF THE TEMPLATE NECESSARY FOR INSTALLING THE DUCT. THE DUCT IS RETAINED TO THE AIR DISTRIBUTOR WITH AN INTERFERENCE FIT AND A SCREW, REFER TO FIGURE 3.

#### PARTS INFORMATION:

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: D1586 LABOR TIME: 0.4 HR

FIGURES: 03 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.

COPYRIGHT 1996 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.