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(3) Secure arm to pivot with attaching nut and tighten 17 to 22 N Im (155 to 195 in. lbs.) torque. (4) Close head cover and remove pin from arm pin hole. WIPER ARM ADJUSTMENT FRONT ARM ADJUSTMENT (1) Cycle the wiper motor into the PARK position. From the bottom edge of the windshield to the blade (3) Operate the wipers if the requirements are not met, check linkage and pivot assembly for worn REAR ARM ADJUSTMENT With the motor in the park position, mount the arm on the motor shaft. Choose a serration engage- WINDSHIELD WIPER MOTOR AND LINKAGE ASSEMBLY SERVICE PROCEDURES INDEX page page Front Wiper Motor Assembly—AG and AJ Bodies . 6 Rear Wiper Motor Assembly—AG Body . . . . . . . . 8 Rear Wiper Motor—AG Body Test . . . . . . . . . . . . 6 Wiper Motor and Linkage Assembly—AA, AC, AY Bodies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Wiper Motor and Linkage Assembly—AP Body . . 10 Wiper Motor System Test Procedures . . . . . . . . . . 3 WIPER MOTOR SYSTEM TEST PROCEDURES WARNING: ON VEHICLES EQUIPPED WITH AIR- Whenever a wiper motor malfunction occurs, first verify that the wiper motor wire harness is properly The following is a list of general wiper motor sys- tem problems, the tests that are to be performed to TWO SPEED MOTOR FUNCTION TESTS CONDITION: MOTOR WILL NOT RUN IN ANY PROCEDURE (1) Check for a blown fuse in the fuse block. (a) If fuse is good, proceed to step 2. operation in all switch positions. (c) If motor is still inoperative and the fuse does not blow, proceed to step 2. (d) If replacement fuse blows, proceed to step 5. (2) Place switch in LOW speed position. proceed to Step 4. If you hear it running, check motor (4) Connect a voltmeter between motor terminal 3 and ground strap (Fig. 10). If there is no voltage or very (a) If an increase in voltage is noticed, the problem is a bad ground circuit. Make sure the motor mount- (b) If there is still no indication of voltage, the problem is an open circuit in the wiring harness or (c) If no more than 3 volts increase in voltage is observed, the problem is a faulty motor assembly. fuse. (a) If fuse does not blow, motor is defective. Fig. 8 Windshield Wiper Arm Adjustment Ä WINDSHIELD WIPER AND WASHER SYSTEMS 8K - 3 |