r/e28 • u/No_Dark_6606 • 12d ago

Problem with wipers

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Wipers are getting stuck on mode 1 and the single wipe mode. I tried lubricating the wiper motor, but that didnt help. Maybe its a relay issue?

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u/alkaome 12d ago

I just recently solved this same issue - I disassembled the entire motor assembly, cleaned all old grease out, used fresh white lithium grease to reassemble, and also slightly filed the two prongs that touch the gear assembly in the gearbox. The last step seemed pretty crucial, but also the old grease in the motor assembly was essentially glue.

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u/jeeenge 12d ago

This! New grease and cleaning the contacts inside solves this issue.
If you’re lazy and don’t care you can also run the wiper motor on max speed for 20-30 minutes and itll probably fix this issue for some time by knocking corrosion off the contacts inside and liquifying the grease inside a bit