Carl'sMJ Posted September 4, 2007 Share Posted September 4, 2007 Hey all, I have been having some problems with the wipers on my MJ. They seem to not want to stop at the end of their motion and are smacking against the cowel. It's kind of annoying and I would like to correct the problem. Has anyone has a similar problem and what all is involved in fixing it? Thanks. Link to comment Share on other sites More sharing options...
JeepcoMJ Posted September 4, 2007 Share Posted September 4, 2007 yea, you disconnect the wiper arm (it's very self-explaintory and requires a flathead screwdriver to pry with) and move the arms to a different spot on the spline. problem solved Link to comment Share on other sites More sharing options...
Carl'sMJ Posted September 4, 2007 Author Share Posted September 4, 2007 I've tried that and it's not the problem. Maybe my question wasn't clear, but it's almost like some sort of stopper in the wiper motor isn't working and allows the wiper arm to keep going until smacking the cowel tells it to stop. Any other input? Link to comment Share on other sites More sharing options...
carnuck Posted September 4, 2007 Share Posted September 4, 2007 worn out bushings can do that or someone put a different year motor in with the longer arm (happened on my '87) Link to comment Share on other sites More sharing options...
Pete M Posted September 4, 2007 Share Posted September 4, 2007 Underneath the dash on the drivers side is a small plastic box that has wires going in one end and wires coming out the other. It is usually attached to the Jeep with velcro. This is the wiper control module. Replacing it exorcized (sp?) the demons in the psychotic wipers of my 90. Link to comment Share on other sites More sharing options...
KYMJ Posted September 4, 2007 Share Posted September 4, 2007 Underneath the dash on the drivers side is a small plastic box that has wires going in one end and wires coming out the other. It is usually attached to the Jeep with velcro. This is the wiper control module. Replacing it exorcized (sp?) the demons in the psychotic wipers of my 90. Ditto, Thanks to Pete. Link to comment Share on other sites More sharing options...
Carl'sMJ Posted September 4, 2007 Author Share Posted September 4, 2007 I've already replaced the wiper control module so I don't think that is the problem. What about these bushings? Where in the wiper motor are they located and how do you get to them? Link to comment Share on other sites More sharing options...
Pete M Posted September 4, 2007 Share Posted September 4, 2007 Out of curiosity, did you get the new control module from the junkyard? Link to comment Share on other sites More sharing options...
Carl'sMJ Posted September 4, 2007 Author Share Posted September 4, 2007 No, it didn't come from the junkyard...If I remember correctly it was the dealership. Link to comment Share on other sites More sharing options...
carnuck Posted September 4, 2007 Share Posted September 4, 2007 the bushings are in the linkage. The whole assembly comes out from under the panel in front of the windshield with some screws and bolts. Link to comment Share on other sites More sharing options...
JohnQ Posted September 5, 2007 Share Posted September 5, 2007 I had the same problem with mine. I replaced the whole thing with one from ebay, no more wiper problems. :D It must be something with the worn bushings. There is a guy on ebay that sells rebuilt ones, but charges around $40. Link to comment Share on other sites More sharing options...
Eagle Posted September 5, 2007 Share Posted September 5, 2007 I've already replaced the wiper control module so I don't think that is the problem. What about these bushings? Where in the wiper motor are they located and how do you get to them? They are on the linkage, inside the cowel behind the hood. You have to first remove the cowel, then remove the wiper motor and it comes out through the cowel opening. On it you'll see three white nylon bushings. Those are the culprits. The replacements are readily available in the HELP! line of goodies at all the parts stores, but they aren't listed correctly. Ignore everything they say about year and makes and models. You need HELP! part number 49445. The kit will include six bushings, three each of two types. You need the smaller white ones. The larger milky-colored ones? God only knows what they fit. Squirt a bit of white lithium grease into each bushing before you press it onto the ball stud on the linkage -- they'll last longer. Link to comment Share on other sites More sharing options...
HOrnbrod Posted September 5, 2007 Share Posted September 5, 2007 I've already replaced the wiper control module so I don't think that is the problem. What about these bushings? Where in the wiper motor are they located and how do you get to them? They are on the linkage, inside the cowel behind the hood. You have to first remove the cowel, then remove the wiper motor and it comes out through the cowel opening. On it you'll see three white nylon bushings. Those are the culprits. The replacements are readily available in the HELP! line of goodies at all the parts stores, but they aren't listed correctly. Ignore everything they say about year and makes and models. You need HELP! part number 49445. The kit will include six bushings, three each of two types. You need the smaller white ones. The larger milky-colored ones? God only knows what they fit. Squirt a bit of white lithium grease into each bushing before you press it onto the ball stud on the linkage -- they'll last longer. X2. The grease and a small vise are used to easily press the new bushings on. One other thing, I had a heck of a time getting the wiper motor and linkage back into the cavity, probably because I'm a tard in some things. It comes out only one way, and goes back in the same way. Pay close attention when wriggling the assembly out. Link to comment Share on other sites More sharing options...
Carl'sMJ Posted September 6, 2007 Author Share Posted September 6, 2007 Sounds like this is a fairly common problem. Thanks for all the info. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now