Wiper Arm: Service and Repair

REMOVAL PROCEDURE

Wiper Arm Replacement: Removal Procedure:

1. Turn the ignition switch to the ACCY position.
2. Set the wiper switch to the PULSE position.
3. Turn the ignition off when wiper arms are at the bottom of the wipe pattern (innerwipe) and not moving.
4. Remove the washer hose from the washer nozzle.
5. Remove the cover from the nut.
6. Remove the nut from the wiper arm assembly and the wiper transmission assembly drive shaft.

IMPORTANT: A J 39822 Wiper Arm Puller may be used if the wiper arm assembly cannot be removed from wiper transmission assembly drive shaft by rocking. The pin from the new wiper arm assembly may be used to ease removal.

7. Remove the wiper arm assembly from the wiper transmission assembly drive shaft by rocking.

Wiper Arm Replacement: Removal Procedure:

8. Remove the wiper blade assembly from wiper arm assembly.
8.1. Push in the button of the wiper blade assembly clip and remove the wiper blade assembly from inside radius of wiper arm assembly.
8.2. Bring the wiper arm assembly out through the opening in the wiper blade assembly.

INSTALLATION PROCEDURE

Wiper Arm Replacement: Installation Procedure:

1. Install the wiper blade assembly on the wiper arm assembly.

Wiper Arm Replacement: Installation Procedure:

2. Install the wiper arm assembly on the wiper transmission assembly drive shaft.
2.1. Put the ignition switch in the ACCY position.
2.2. Set the wiper switch to the PULSE position. The windshield wiper system should be operating.
2.3. Turn the ignition oft when the wiper drive system is at the bottom of its wipe cycle (innerwipe) and not moving.

IMPORTANT:
^ The measuring device must be held at 90 (perpendicular) to the wiper blade assembly.
^ The pin, or a same-size drill bit, should be used in the wiper arm assembly during installation.

2.4. Install the wiper arm assembly on the wiper transmission assembly drive shaft while maintaining the following distances:
^ RH 97-107 mm (3.82-4.21 in) from end of the wiper arm, to air inlet screen.
^ LH 125-147 mm (4.92-5.78 in) from the wiper blade tip to the air inlet screen.
3. Install the nut onto the wiper transmission assembly drive shaft and the wiper arm assembly.

Tighten
Tighten the nut to 27 N.m (20 lb ft).

4. Install the pin from wiper arm assembly.
5. Install the cover on the nut.

IMPORTANT: Lubricate the washer hose with the windshield washer solvent to ease the installation on the washer nozzle.

6. Install the washer hose onto the washer nozzle. Operate the wipers and check for proper operation.