GM 10093142 Blade Assembly, Windshield Wiper

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The windscreen wiper plus blade assembly should be periodically inspected for damaged, loose items and cracked or worn out blade elements. Film from the road can accumulate on the wipers and lower their efficiency; this is why they need to be washed regularly using soap. Bolts, nuts and fasteners may loosen as a result of wiping action so they should be checked and tightened when inspecting the wiper blades. Cracked, worn or warped wiper blade elements (also called inserts) should be replaced with new ones. On 1995 models and before that year, you remove the wiper blade assembly from the wiper arm by using a small screwdriver to lift up release lever while pulling on the blade to release it. On 1996 models and later than that year, lift arm assembly away from glass pane for clearance then press on release lever afterwards slide off the hook located at one end of arm. Remove rubber element from blade after removing it from vehicle. Use pliers to pinch metal backing of element then slide out element from blade assembly. From there, compare new element with old for length etcetera; slide new into place so that automatically locks at correct location. Afterward fix back on the arm; wet windshield glass then test if working well.

From 1974 to 1977, first remove the left-hand control panel far enough to remove the attaching screws. Then, pull out the knob, disconnect the wiring and remove the switch. From 1978 to 1980, disconnect the negative battery cable and remove the instrument cluster trim panel. Finally, remove the 2 mounting screws and remove the switch from the rear.

In the press-type button method, a red-colored button is depressed to release the rubber element. The old element can be slid off and a new one can be slid into place. Once centered, it will lock into place.

The windshield wiper motor also serves as the drive system for the windshield washers.

To reinstall the wiper arm/blade assembly, you simply need to reverse the removal process. Make sure that the connector is fully pushed onto the arm and that the small locating 'pip' securely fits into the hole in the connector.