New blades will fix your problem.
wiper chatter
Melting Slicks
Joined: Mar 2008
Posts: 2,351
Likes: 222
From: Delta B.C. Canada
2023 C7 of the Year Finalist - Unmodified
2019 C4 of Year Finalist (appearance mods)
2015 C4 of Year Finalist
Crap on the glass and crap on the blades will cause that. Clean the glass with either clay-bar or with a glaze meant for paint. Clean the wiper edges with rubbing alcohol. That should do the trick.
Race Director
Joined: Apr 2002
Posts: 10,036
Likes: 346
From: Anaheim CA
I think the wiper blade rubber takes a set from sitting on the glass in a folded over position. Then it's going "against the grain" and chatters. Notice that it only does it in one direction.
Safety Car
Joined: Nov 2008
Posts: 4,328
Likes: 15
From: Jacksonville FL
I replace mine as soon as they start this, usually about into the second year. The Florida sun is hell on rubber, it gets old and stiff pretty quick. Its a maintenance item like changing the oil for me.
Heel & Toe
Joined: Oct 2008
Posts: 18
Likes: 0
Wiper gear lube
I had a similar problem. The grease for the gears under the wiper motor cover was not liberating the gears.
It had worked away from the gears. I cleaned and lubed the gears and the movement was smooth.
It had worked away from the gears. I cleaned and lubed the gears and the movement was smooth.
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