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Unread 03-15-2007, 08:04 PM   #1
BillsFan
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1986 CJ7 
 
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CJ7 Windshield Wiper Problems

Hello, I recently purchased a 1986 CJ7.

Among its many issues is the fact that the windshield wipers don't work. I tested the wiper motor and found it was bad so I replaced it. The wipers went 1/2 way and stopped. So I proceeded to tear apart the wiper assembly in the windshield frame. I found that when the wipers reached a certain angle they bound which actually caused one of the stamped holes where the wiper arm pokes through to collapse! It now has no integrity and collapses easily.

So what's the easiest fix? New windshield frame? New guts? Alternate system?

Any help for a new Jeep owner would be appreciated!

Thanks!

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Unread 03-15-2007, 08:25 PM   #2
ttrem
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Replace the internals of the wipers. That will fix your problem, and make sure you follow the instructions =)

http://www.quadratec.com/products/55305_00.htm

only 80 dollars, might be able to find it else where but I think thats a fair price myself. Though they are a little high on shipping since they bundle things by price. They say its easy but I found it to be a pain in the ***.
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Unread 03-15-2007, 09:02 PM   #3
jeepskate
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Known problem that continued on into the early YJ's until Chrysler finally fixed it. You need to get a new design windshield frame...it will have a reinforcement ridge that runs across the frame between the wiper bungs.
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Unread 03-15-2007, 09:24 PM   #4
only in a jeep cj
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First off, congrats on the CJ purchase.
Second, SAFETY! IF the wipers went half way and stoped, you could lose a finger if/when you free them because there is a second brass contact ring in the motor housing that continues the power to the motor to return the wipers back to the home position. BE CAREFUL.
The reason for the collapse is a arm is worn or bent and put the rest of the system in a bind.....till the weak link exposed, the sheetmetal.
If the sheetmetal isn't torn, gently remove all the wiper components and check that the ends of the arms are straight and in line with the rest of the arm. Rebend as needed. If the brass bushings have oval holes instead of round ones, replace them. As for the WS frame, use a large socket and gently tap the stamped metal back into shape..I take it the drivers side is the damanged one? Most are. Then find a fender washer (large thin washer) with either the correct inner hole size as the pivot unit OR the correct outer diamater as the stamped recessed area and grind the other end to match. You will need the make the little notch too. You'll see what I mean. Install this inside the frame between the pivot unit and the sheetmetal. This will sink the drivers side pivot unit deeper in the frame only by the thickness of the new washer. You'll still have lots of room for the outer nut. This will strengthen the area a lot. I did this one my buddies Jeep with the same problem as yours...worked like a champ and been many years.
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Last edited by only in a jeep cj; 03-15-2007 at 09:37 PM..
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Unread 03-15-2007, 09:28 PM   #5
ttrem
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Thats weird cause all i did was replace my internals when i had this problem on my new frame. After that it worked fine.



hmm after rereading his problem I guess I didnt read all the way the first time cause I didnt remember seeing him say the metal buckled.
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Unread 03-15-2007, 09:52 PM   #6
mmerlina
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I had this problem when I first got my CJ7. I could force it up and it would complete like 3/4 of a cycle and then jam.

What happened was the windshield frame around where the wiper connects to the motor was bent in and jamming things up.

All I did was remove the wiper, put a socket on the round piece where the wiper snaps on to, and bent the fram eback into shape. 5 minute fix, didn't have to remove the motor, and I haven't had the same problem since.

Good luck!

Michael
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Unread 03-16-2007, 06:48 AM   #7
BillsFan
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Thanks!

Thanks guys!
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Unread 03-16-2007, 10:19 PM   #8
BillsFan
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Quote:
Originally Posted by jeepskate
Known problem that continued on into the early YJ's until Chrysler finally fixed it. You need to get a new design windshield frame...it will have a reinforcement ridge that runs across the frame between the wiper bungs.
Jeepskate, how do you know if the windshield frame is the 'new' design? Would any of the replacement parts from Quadratec, etc... be the new design?

Thanks!
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Unread 03-17-2007, 12:28 AM   #9
Patf10
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i have basically the same problem on my 74 cj. i have a replacement (omix) frame and it binds and the frame is cracked, second time, im gonna start loking for a OEM frame even if it needs a little work it will be worth it
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Unread 03-17-2007, 02:44 AM   #10
slacker92104
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I had to get a new windshield frame. I tried bending the hole back into shape, but the metal was fatigued and would just bend again. I even tried the washer idea. I got the frame from quadratec and it has a ridge stamped in it that runs between the two holes. This reinforces them a lot. It's easy to tell the difference. Once I got the new frame, I took some time positioning the wiper motor. It moves a bit on it's mounts, and can cause the system to bind if it's too close or too far from the wipers.
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Unread 03-17-2007, 05:26 AM   #11
Oily
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I realize that wipers are needed for inspection. However, the efficiency of Jeep wipers is at best almost adequate.
Rain X is a great product. You don't even need wipers.
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Unread 05-20-2010, 04:40 PM   #12
rkinks35
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I just started having the same problem, I turn the wipers on and they forcefuly wipe and then just stop on the open, then I have to stick my hand out and push them back to restart (right) side. It looks like they are becoming pushed out from underneath the window because there are lumps and the paint is peeling. Dont remember it looking like that before. PLEASE HELP!
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Unread 06-08-2010, 11:41 AM   #13
BobbyBlakFinger
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I've had this problem for so long! I bought a new motor, switch, and windshield frame(old one was rusted) the new frame bent and now the only way I can get the wipers to work is to dis-connect the linkage and manually move the arm on the driver side needless to say I don't drive it in the rain. I'm glad to find this thread and I will try some of these suggestions and update when I finally get it fixed.
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Unread 10-26-2010, 03:30 PM   #14
jarrodblake
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Ok I have had this problem since I bought my 79 cj7. I had replaced the frame 2 months ago and today was the first time I had really used them in the rain and the broke a gene, is there anything I can do to fix this. The op had new linkage in it when I bought it I was wondering if this would fix it. Maybe with the longer wiper motor arm it would put less stress on the frame so it dose not bind up? thoughts...WipeBoy
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Unread 10-26-2010, 05:12 PM   #15
mmerlina
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I emailed the guy over at WipeBoy a while back and he said that system will not solve the jamming problem.. it would probably only make it worse.
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1986 Jeep CJ7 (photos)
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