For 1990-2009 cars

# SLOW HEATER WARM UP PERFORM. (INST. REV. FLOOR AIR OUTLET)

#### SUBJECT: SLOW HEATER WARM UP PERFORMANCE (INSTALL REVISED FLOOR AIR OUTLET ASSEMBLY)

#### MODELS: 1992-93 BUICK SKYLARK 1992-93 OLDSMOBILE ACHIEVA 1992-93 PONTIAC GRAND AM

#### CONDITION:

=========

SOME OWNERS MAY COMMENT ON THE LENGTH OF TIME IT TAKES THE HEATER TO WARM UP THE PASSENGER COMPARTMENT OF THE VEHICLE.

#### CAUSE:

=====

THE FLOOR AIR OUTLET ASSEMBLY MAY ALLOW HEATER DISCHARGE AIR TO GO ABOVE THE SOUND INSULATORS. THIS MAY BE KEEPING THE HEATED AIR FROM ENTERING THE PASSENGER COMPARTMENT.

#### CORRECTION:

==========

A NEW FLOOR AIR OUTLET ASSEMBLY, P/N 22586002, WAS DESIGNED TO DIRECT AIR FLOW BELOW THE SOUND INSULATORS (FIGURE 1).

#### AFFECTED VEHICLES:

YEAR MODEL NAME BEGINNING VIN ENDING VIN ==== ========== ============= ==========

1992 ALL "N" SERIES S.O.P. E.O.P. 1993 ACHIEVA S.O.P. PM013261 GRAND AM S.O.P. PM351657 GRAND AM S.O.P. PC739034 SKYLARK S.O.P. PC272051

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

#### SERVICE INFORMATION:

===================

FOLLOW PROCEDURE OUTLINED IN SECTION 1A/1B OF THE SERVICE MANUAL.

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: D1517

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.