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Windshield wiper thunk, thunk, thunk...
3 hour drive....Irritating to say the least.
Driver side wiper linkage arm was striking the passenger side wiper arm just before travel reversal from the bottom/park position.
Solved some of the slop by removing the bronze bushings from the wiper motor gear reduction output shaft and reversed their position and rotated each 90 degrees.
Still have some slop in the two linkage arm's nylon ball/socket retainers and cannot find a replacement source for those. Two type of ball-retainer sockets.
Anyone know of a source..??