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#1
03-06-2007, 12:03 AM
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124 windsheild wiper motor / arm problems
Hope some body has some experience with this. I have a 1990 300ce. Last monday while driving in the snow, the front wiper arm became herky / jerky. Started stuttering and then finally stopped, blown fuse. Replaced fuse and was good for another jerky sweep or two and then blew fuse. Went through 6 fuses to get another 5-6 miles then another two hours with out a wiper in a snow storm. Is it the motor or the wiper arm transmission. Where do I find a diagram on removing and replacing this assembly and possible a reman. or good used working part. I am afraid to ask the dealership how much for both new pieces. Any help would be greatly appreciated. thanks in advance!
Greg 
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#2
03-06-2007, 08:18 AM
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It's 17 years old and may be out of grease. The cold weather exacerbates the problem.
Motor straining to move the mechanism causes blown fuses. If you do a search on this forum, you should find several detailed R&R descriptions with pictures. I remember one guy talking about shooting motor cycle chain lubricant up into the clamshell. Steve
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#3
03-06-2007, 10:58 AM
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Get the wiper arm to stop in the middle of the window. Now remove the plastic cover by pulling out. Move arm so its at top of arc and wipe the metal slide off. Then apply several drops of automatic transmission fluid and work the arm back and forth. Finally, put several more drops on the arm, reattach the plastic cover and off you go. If you dont keep the arm lubed this way, you will be spending $1200 for a new mechanism.
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#4
03-06-2007, 11:48 AM
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Here's a thread that should help with your problem; http://www.peachparts.com/shopforum/showthread.php?t=66429 .
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#5
03-06-2007, 03:34 PM
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wiper motor / transmission lube
Thanks for the reply. The pics and tutorial should help. I'll let you know on the results after I tear into it. I hope that is all that is needed and the transmission is still in good shape. Look for an update if I survive this!
Greg
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#6
03-06-2007, 03:53 PM
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The same thing happened to me (minus the blown fuses). I was able to pop the top cover of the arm off and put some grease on it as a temp fix until I could do the job correctly. It worked like a charm.
__________________
Fantom71 aka Dale Madison, AL 91 190E 2.6 5 speed 220k miles and this car still scoots!
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