GM Service Manual Online
For 1990-2009 cars only

Removal procedure

  1. Turn the ignition switch to the ACCY position.
  2. Set the wiper switch to the Delay position.
  3. Turn the ignition switch off when the wipers are in the innerwipe position.

  4. Object Number: 812676  Size: SH
  5. Using a small flat-bladed tool, remove the lower washer nozzle from the wiper arm.

  6. Object Number: 812677  Size: SH
  7. Using a small flat-bladed tool, remove the upper washer nozzle from the wiper arm.
  8. Disconnect the upper washer nozzle from the upper washer nozzle hose.

  9. Object Number: 812679  Size: SH
  10. Remove the upper washer nozzle hose from the wiper arm.

  11. Object Number: 812678  Size: SH
  12. Disconnect the washer nozzle hose Y-fitting from the washer hose.
  13. Remove the washer nozzle hose from the wiper arm.

Installation Procedure

  1. Position the washer nozzle hose to the wiper arm.

  2. Object Number: 812678  Size: SH
  3. Connect the washer nozzle hose Y-fitting to the washer hose.

  4. Object Number: 812679  Size: SH
  5. Install the upper washer nozzle hose to the wiper arm.

  6. Object Number: 812677  Size: SH
  7. Connect the upper washer nozzle to the upper washer nozzle hose.
  8. Position the upper washer nozzle to the wiper arm, pressing in until fully seated.

  9. Object Number: 812676  Size: SH
  10. Position the lower washer nozzle to the wiper arm, pressing in until fully seated.
  11. Inspect the washers for proper operation.