New Yorker V6-181 2972cc 3.0L SOHC VIN 3 FI (1989)
Wiper Motor: Adjustments
Fig. 12 Endplay Adjustment
Most windshield wiper motors have a provision to adjust the armature shaft endplay by turning the adjustment screw in until it bottoms and backing
off 1/16 turn. This adjustment can be made without removing the wiper motor from the vehicle.