There's a plastic bushing that attaches the motor to the linkage, it's worn
out. New ones are less than ten bucks at the dealer. For me, the bushings
seem to have a 10~15 year life span. If yours is original, you've done
Thank you, kind sir, for your response! It sounds like you may have
nailed it (since motor is humming and all). Hope I don't sound like an
absolute dummy here but I've never dealt with such a problem before so
I'll just ask: How do I locate the offending plastic bushing? Behind
firewall somewhere? Under wiper arm? Or...?
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