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944 rear wiper gears

I was shovelling my 944 out of the snowfall a few weeks ago (you garage owners, please try not to cry! Some of us are not so lucky!), and ran the rear wiper before the hatch was completely de-iced. The wiper moved back and forth about 1-2" a couple times, before I realized it probably shouldn't be run.

Now that everything's melted, I've discovered that the rear wiper is inoperative other than wiggling back and forth about 1 degree. I disassembled the motor box to try and diagnose, and all the gears seemed to be intact and operating properly (the worm gear was driving the round gear was driving the arm was driving the ... erm... reciprocating assembly), but the knob at the end was still only rotating a few degrees. I guess it has been detached from one of the triangular-shaped gear sections, but I can't see how to fix it.

Anyone encounter this? Anyone have tips on rebuilding the gearbox? Do I need to replace anything?

Old 03-21-2005, 12:26 PM
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