Wiper Crash!!
Thread Starter
Racer
Joined: Apr 2005
Posts: 484
Likes: 5
From: Madison Wisconsin
Wiper Crash!!
Has anyone had the problem of wiper arms hitting each other on a C4? My '93 arms appear to chatter across the windshield and at times hit each other. I've tried new wiper blades. I've also cleaned the windshield and use rainX to help them side. Is it possible my linkage is loose or the motor is starting to go bad and just doesn't have the power to side the wipers without chattering? Any ideas??
Thanks,
Jim
Thanks,
Jim
Le Mans Master
Joined: Dec 2004
Posts: 5,789
Likes: 8
From: Myrtle Beach SC
St. Jude Donor '05-'06
Lift your wipers up and wiggle the wiper back and forth.Too much play will cause this especially on the drivers side.I bought a new one for that side and even though the pass side needs replaced it no longer crashes.The hold down springs also get weak which would cause the chatter.
Safety Car
Joined: Apr 2003
Posts: 3,793
Likes: 9
From: VA
Heel & Toe
Joined: Jun 2003
Posts: 17
Likes: 1
From: Zionsville In
Wiper Crash
The tech topic mentioned is good I just finished doing it to my 88 for the same problem. Thats the good news, the bad news is that somewhere along the way someone treid to adjust out the problem and now I have to re-adjust the linkage to where it should be. I have all the Facotory books and they are silent about how this is done. Anyone know about that ? You may have to do that . The arms now cost 30 bucks each from GM. I got mine from GM Parts Obselete for half that. I also got the blades from PEP boys.---good luck
Bench Racer
Joined: Feb 2003
Posts: 4,201
Likes: 15
From: Palm Beach Gardens FL
St. Jude '03 thru 14,'25
Another "down and dirty" fix is to use a shorter arm on the drivers side. I think the later C4 blades are 20" so try a 19" blade (or whatever is an inch shorter than what you've got now. If your wiper arms are NOT worn out, you could try the adjustment (see subsequent post)...
Last edited by tobijohn; Aug 27, 2005 at 08:15 PM.
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Le Mans Master
Joined: Dec 2004
Posts: 5,789
Likes: 8
From: Myrtle Beach SC
St. Jude Donor '05-'06
Originally Posted by LT4CompYell
Thanks, Redeasy. That's good advice re checking first on whether the arm is worn out or not. 
Another thing that I found interesting in the process is how far the new arm has to be twisted up to fit onto the wiper stops.They are REALLY preloaded it seemed like the wiper arm was 3 in below the stops.Just lift it up over them and set it in place.
