For 1990-2009 cars

# FRONT DOOR MANUAL WINDOWS HARD TO CYCLE/ROLL/SEAL

******************************************************************** REVISION 12/11/92

THIS BULLETIN IS ALSO AN UPDATE TO THE 1992 "N" BODY SERVICE MANUAL SECTION 10-6 - FRONT DOOR WINDOW ADJUST.

REVISION 01/05/93

THIS BULLETIN IS BEING REVISED TO ADD THE '93 MODEL YEAR TO THE "UPDATE" STATEMENT REGARDING SERVICE MANUAL SECTION 10-6 - FRONT DOOR WINDOW ADJUST.

THIS BULLETIN IS ALSO AN UPDATE TO THE 1992-93 "N" CAR SERVICE MANUAL SECTION 10-6 - FRONT DOOR WINDOW ADJUST.

REVISION 12/09/93

THIS BULLETIN IS BEING REVISED TO ADD THE 1993 MODEL YEAR AND TO UPDATE THE CORRECTION PROCEDURE, PARTS AND WARRANTY INFORMATION DUE TO DESIGN CHANGES. THIS BULLETIN IS NOW APPLICABLE TO BOTH MANUAL AND POWER WINDOWS. ARTWORK REMAINS THE SAME.

PREVIOUS DIVISIONAL PUBLICATION NUMBERS WERE:

BUICK - 93-10-12 GM OF CANADA - 93-10-165 OLDSMOBILE - 93-T-34 PONTIAC - 92-10-71A ********************************************************************

#### SUBJECT: FRONT DOOR MANUAL AND POWER WINDOWS HARD TO CYCLE/ROLL AND/OR DISENGAGE FROM RUN CHANNEL (REPLACE RUN CHANNEL, REAR CHANNEL RETAINER, AND REGULATOR ASSEMBLY)

#### MODELS: 1992-93 BUICK SKYLARK 1992-93 PONTIAC GRAND AM 1992-93 OLDSMOBILE ACHIEVA (MODELS BUILT PRIOR TO NOVEMBER 1, 1992)

#### CONDITION:

SOME OWNERS OF THE ABOVE VEHICLES BUILT PRIOR TO NOVEMBER 1, 1992 MAY COMMENT ON ANY OF THE FOLLOWING FRONT DOOR WINDOW CONCERNS:

- HARD TO CYCLE - DO NOT ROLL UP PROPERLY - DISENGAGE FROM THE RUN CHANNEL

#### CAUSE:

INSUFFICIENT CHANNEL DEPTH AT THE FRONT LOWER AREA OF THE RUN CHANNEL AND/OR A MIS-ADJUSTED WINDOW RESULTING IN WINDOW DISENGAGEMENT FROM THE RUN CHANNEL AND/OR DAMAGE TO THE WINDOW REGULATOR.

#### CORRECTION:

DESIGN CHANGES WERE MADE TO THE WINDOW RUN CHANNEL ASSEMBLY AND REAR WINDOW CHANNEL RETAINER TO CORRECT FOR THIS CONDITION. BOTH OF THESE PARTS, ALONG WITH THE WINDOW REGULATOR ASSEMBLY (IF DAMAGED), SHOULD BE CHANGED. ANY 1993 VEHICLE BUILT AFTER NOVEMBER 1, 1992 HAD THE NEW PARTS INSTALLED AT THE ASSEMBLY PLANT.

IF THE VEHICLE IS A 1993 MODEL, VERIFY THE VEHICLE WAS BUILT BEFORE NOVEMBER 1, 1992 BY CHECKING THE STICKER IN THE DOOR JAMB OF THE DRIVER'S DOOR.

#### IMPORTANT: BEFORE THE WATER DEFLECTOR AND DOOR TRIM PANEL ARE INSTALLED ON THE VEHICLE, BE SURE TO ADJUST THE FRONT WINDOW FOLLOWING THE PROCEDURE OUTLINED LATER IN THIS BULLETIN.

1. REPLACE THE FRONT WINDOW RUN CHANNEL ASSEMBLY WITH NEW REPLACEMENT PART. FOLLOW THE PROCEDURE OUTLINED IN SECTION 10-6 OF THE APPROPRIATE SERVICE MANUAL.

2. REPLACE THE FRONT WINDOW REAR CHANNEL RETAINER WITH NEW REPLACEMENT PART. FOLLOW THE PROCEDURE OUTLINED IN SECTION 10-6 OF THE APPROPRIATE SERVICE MANUAL.

3. IF THE FRONT DOOR WINDOW REGULATOR ASSEMBLY IS DAMAGED, REPLACE THE REGULATOR ACCORDING TO THE PROCEDURE OUTLINED IN SECTION 10-6 OF THE APPROPRIATE SERVICE MANUAL.

FRONT DOOR WINDOW ADJUSTMENT PROCEDURE:

1. MOVE TOP OF WINDOW 4 TO 6 INCHES AWAY FROM THE DOOR HEADER.

2. LOOSEN THE INNER PANEL CAM SCREWS (4).

3. LOOSEN THE FRONT LOWER RUN CHANNEL ATTACHMENT SCREW (5).

4. ADJUST CAM (3) TO FULLY SEAT WINDOW IN REAR RUN CHANNEL.

5. TIGHTEN INNER PANEL ATTACHMENT SCREWS (4) TO 10 N.M (89 LBS. IN.).

6. MOVE WINDOW DOWN UNTIL THE TOP IS 2 INCHES ABOVE THE BOTTOM OF THE WINDOW OPENING.

#### IMPORTANT: WHEN OPERATING WINDOW, DO NOT CONTACT DOWN STOP BUMPER PRIOR TO TIGHTENING THE FRONT CHANNEL ATTACHMENT SCREW TO PREVENT THE MIS-LOCATION OF THE WINDOW ASSEMBLY.

7. GRASP THE FRONT CHANNEL GUIDE ABOVE SCREW (5) TO KEEP RETAINER FROM TWISTING WHILE FULLY SEATING FRONT CHANNEL (1) ON WINDOW. REFER TO FIGURE 1, SECTION A-A.

8. TIGHTEN FRONT CHANNEL SCREW (5) TO 10 N.M (89 LBS. IN.).

9. CYCLE WINDOW ASSEMBLY UP AND DOWN TWICE TO CHECK FOR PROPER OPERATION, SEATING AND SEALING OF THE WINDOW.

10. REPEAT ADJUSTMENT PROCEDURE IF NECESSARY.

#### PARTS INFORMATION:

#### CHANNEL ASSEMBLIES -

PART NUMBER DESCRIPTION ----------- ----------- 22588488 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - PONTIAC/BUICK COUPE RH

22588489 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - PONTIAC/BUICK COUPE LH

22588490 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - OLDSMOBILE COUPE RH

22588491 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - OLDSMOBILE COUPE LH

22588494 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - PONTIAC/BUICK SEDAN RH

22588495 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - PONTIAC/BUICK SEDAN LH

22588492 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - OLDSMOBILE SEDAN RH

22588493 CHANNEL ASSEMBLY, FRT S/D WINDOW RUN - OLDSMOBILE SEDAN LH

#### RETAINER ASSEMBLIES -

22584898 RETAINER ASSEMBLY, FRT S/D WINDOW REAR CHANNEL - COUPE RH

22584899 RETAINER ASSEMBLY, FRT S/D WINDOW REAR CHANNEL - COUPE LH

22584900 RETAINER ASSEMBLY, FRT S/D WINDOW REAR CHANNEL - SEDAN RH

22584901 RETAINER ASSEMBLY, FRT S/D WINDOW REAR CHANNEL - SEDAN LH

#### REGULATOR ASSEMBLIES -

16628170 REGULATOR ASSEMBLY, FRT S/D WINDOW - MANUAL WINDOW COUPE RH

16628171 REGULATOR ASSEMBLY, FRT S/D WINDOW - MANUAL WINDOW COUPE LH

16628172 REGULATOR ASSEMBLY, FRT S/D WINDOW - POWER WINDOW COUPE RH

16628173 REGULATOR ASSEMBLY, FRT S/D WINDOW - POWER WINDOW COUPE LH

16626602 REGULATOR ASSEMBLY, FRT S/D WINDOW - MANUAL WINDOW SEDAN RH

16626603 REGULATOR ASSEMBLY, FRT S/D WINDOW - MANUAL WINDOW SEDAN LH

16621658 REGULATOR ASSEMBLY, FRT S/D WINDOW - POWER WINDOW SEDAN RH

16621659 REGULATOR ASSEMBLY, FRT S/D WINDOW - POWER WINDOW SEDAN LH

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: T1935 LABOR TIME: 1.2 HR. - LH (WITH POWER WINDOWS) 1.2 HR. - RH (WITH POWER WINDOWS) 1.1 HR. - LH (WITH MANUAL WINDOWS) 1.1 HR. - RH (WITH MANUAL WINDOWS)

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.