Owner Notification, Parts Information and Technical Procedure

Owners of vehicles involved in this Special Policy will be notified by Buick Motor Division (See copy of owner letter included with this bulletin).

PARTS INFORMATION

Parts are to be obtained from General Motors Warehousing Distribution Division (GMWDD). Parts, when required, should be ordered from GMWDD on a C.I.O. order with no special instruction code, but on an advise code (2).
MODEL QUALITY PART
USAGE DESCRIPTION PER VEHICLE NUMBER

Century & Windshield Washer Pump 1 22049373
Somerset

Electra Windshield Washer Pump 1 22048650

TECHNICAL PROCEDURE

ITEMS COVERED BY SPECIAL POLICY ARE STEPS 1 THROUGH 4 AND STEPS 10
THROUGH 15.

CHECK WASHER PUMP OPERATION BEFORE REMOVING FROM VEHICLE.

WINDSHIELD WASHER PUMP ASSEMBLY:

1. Remove cover harness connector. (See Illustration).

2. Apply 12V(+) to #6 terminal.
3. Pump should run and fluid should spray on windshield.

4. If washer pump does not run, replacement is required; go to Step 11.

ITEMS NOT COVERED BY SPECIAL POLICY ARE STEPS 5 THROUGH 9

5. If washer pump runs, but fluid does not spray on windshield, follow steps below:

6. Remove washer bottle cap and examine filter screen at bottom of hose. Clean if necessary add washer fluid as required.

If gummy residue is found on filter screen, empty washer bottle, clean filter screen and bottle, and refill with approved GM washer fluid.

7. Check for disconnected, leaking or pinched hoses. Correct as necessary.

8. Inspect fluidic nozzles and check valve (if so equipped) for dirt, etc., clean if necessary.

9. Reconnect all hoses and repeat Steps 2-3.

10. If no fluid sprays, replace washer pump.

WINDSHIELD WASHER PUMP ASSEMBLY:

11. Disconnect washer pump retaining clip. (See Illustration).

12. Remove washer pump with side-to-side movement while pulling outward on pump.
13. Install new washer pump.

Align washer pump nozzle with notch in cover and then make sure new washer pump is pushed in all the way into the washer cover female terminals.
14. Connect washer pump retaining clip and repeat Steps 2 and 3.

15. Connect cover harness connector.