SMU - SECTION 8E - REVISED WIPER BLADE/WIPER ARM. Oldsmobile Silhouette 1997

SUBJECT: SERVICE MANUAL UPDATE - SECTION 8E - REVISED WIPER BLADE/ WIPER ARM ASSEMBLY REPLACEMENT PROCEDURES

MODELS: 1997 CHEVROLET VENTURE 1997 OLDSMOBILE SILHOUETTE 1997 PONTIAC TRANS SPORT

THIS BULLETIN IS BEING ISSUED TO REVISE THE WIPER BLADE/WIPER ARM ASSEMBLY REPLACEMENT PROCEDURES IN SECTION 8E OF THE SERVICE MANUAL.

WIPER BLADE ASSEMBLY REPLACEMENT

FIGURE 1

CLIP MUST BE ROTATED UP BEFORE PUSHING BUTTON IN AND REMOVING THE WIPER BLADE ASSEMBLY FROM THE WIPER ARM ASSEMBLY.

CLIP MUST BE SNAPPED IN PLACE AFTER THE WIPER BLADE ASSEMBLY IS INSTALLED IN THE WIPER ARM ASSEMBLY.

WIPER ARM ASSEMBLY REPLACEMENT

(NUMBERS OR LETTERS INDICATED BELOW IN PARENTHESIS REFERENCE THE CALLOUTS IN FIGURE 2.)

PROCEDURE:

REMOVE OR DISCONNECT

1. TURN IGNITION SWITCH TO "ACCY" POSITION.

2. SET WIPER SWITCH TO "PULSE" POSITION.

3. TURN IGNITION SWITCH "OFF" WHEN WIPER ARMS ARE IN THE INNERWIPE POSITION AND NOT MOVING.

4. WASHER HOSE (5) FROM WASHER NOZZLE.

5. COVER (3) FROM NUT (4).

IMPORTANT:

REPLACE THE COVER IF THE ORIGINAL COVER IS DAMAGED DURING REMOVAL.

6. NUT (4) FROM WIPER ARM ASSEMBLY (2) AND WIPER LINKAGE ASSEMBLY DRIVE SHAFT (D).

7. WIPER ARM ASSEMBLY (2) FROM WIPER LINKAGE ASSEMBLY DRIVE SHAFT (D) USING A SUITABLE BATTERY TERMINAL PULLER.

8. WIPER BLADE ASSEMBLY (1) FROM WIPER ARM ASSEMBLY (2).

A. UNSNAP CLIP (A) AND ROTATE UP.

B. PUSH IN BUTTON (C) OF WIPER BLADE ASSEMBLY CLIP (B) AND REMOVE WIPER BLADE ASSEMBLY (1) FROM INSIDE RADIUS OF WIPER ARM ASSEMBLY (2).

C. BRING WIPER ARM ASSEMBLY (2) OUT THROUGH OPENING IN WIPER BLADE ASSEMBLY (1).

INSTALL OR CONNECT

IMPORTANT:

REFER TO "FASTENER NOTICE" ON PAGE 8E1 OF THE SERVICE MANUAL.

IMPORTANT:

LEFT AND RIGHT WIPER BLADE ASSEMBLIES ARE NOT INTERCHANGABLE. WIPER BLADE ASSEMBLIES CAN BE IDENTIFIED BY AN "L" (LEFT) OR "R" (RIGHT) ON THE BACK OF THE WIPER BLADE ASSEMBLY FRAME.

1. WIPER BLADE ASSEMBLY (1) ON WIPER ARM ASSEMBLY (2).

A. INSTALL WIPER BLADE ASSEMBLY (1) IN THE INSIDE RADIUS OF WIPER ARM ASSEMBLY (2).

B. PUSH CLIP (B) DOWN UNTIL IT SNAPS INTO PLACE.

2. WIPER ARM ASSEMBLY (2) ON WIPER LINKAGE ASSEMBLY DRIVE SHAFT (D).

A. PUT IGNITION SWITCH IN "ACCY" POSITION.

B. SET WIPER SWITCH TO "PULSE" POSITION. WINDSHIELD WIPER DRIVE SYSTEM SHOULD BE OPERATING.

C. TURN IGNITION SWITCH OFF WHEN THE WIPER DRIVE SYSTEM IS IN THE INNERWIPE POSITION AND NOT MOVING.

D. INSTALL THE LEFT OR RIGHT WIPER ARM ASSEMBLY (2) ON WIPER LINKAGE ASSEMBLY DRIVE SHAFT (D) WHILE MAINTAINING THE FOLLOWING DISTANCES:

- RIGHT (F) - 123 MM (4.80 IN.) FROM TOP OF WIPER BLADE ASSEMBLY (1) UP TO THE UPPER SOLID EDGE OF THE WINDSHIELD BLACKOUT AREA (E). DO NOT INCLUDE SHADED AREA IN THE MEASUREMENT. MEASUREMENT MUST BE TAKEN AT THE OUTSIDE END OF THE WIPER BLADE ASSEMBLY (1).

- LEFT (G) - 147 MM (5.76 IN.) FROM BOTTOM OF WIPER BLADE ASSEMBLY (1) DOWN TO THE UPPER SOLID EDGE OF THE WINDSHIELD BLACKOUT AREA (E). DO NOT MEASURE TO THE EDGE OF THE SHADED AREA. MEASUREMENT MUST BE TAKEN AT THE OUTSIDE END OF THE WIPER BLADE ASSEMBLY (1).

3. NUT (4) ON WIPER LINKAGE ASSEMBLY DRIVE SHAFT (D) AND WIPER ARM ASSEMBLY (2).

TIGHTEN -

NUT TO 48 N.M (35 LB FT).

4. COVER (3) ON NUT (4).

IMPORTANT:

LUBRICATE WASHER HOSE WITH WINDSHIELD WASHER SOLVENT TO EASE INSTALLATION ON WASHER NOZZLE.

5. WASHER HOSE (5) ON WASHER NOZZLE.

6. OPERATE WIPERS AND CHECK FOR PROPER OPERATION.

FIGURES: 02 ATTACHMENTS: 00

FIGURE 2: A. CLIP B. CLIP C. BUTTON D. DRIVESHAFT E. WINDSHIELD BLACKOUT AREA F. 123 MM (4.80 IN.) G. 147 MM (5.76 IN.) 1. WIPER BLADE ASSEMBLY 2. WIPER ARM ASSEMBLY 3. COVER 4. NUT 5. WASHER HOSE

Object Number: 169391 Size: MF

Object Number: 169392 Size: FS

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.