Rear wiper doesn't press against glass - JeepForum.com

 
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post #1 of 7 Old 01-13-2010, 05:08 PM Thread Starter
Powellae
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2000 WJ 
 
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Rear wiper doesn't press against glass

I cleared some ice off the rear wiper on my '99 Cherokee and all of a sudden it doesn't press on the glass. The washer works and the wiper blade moves, but suddenly it doesn't press on the glass - so it won't clean anything.

When I was cleaning the ice off I thought I saw something fall off the wiper, but I couldn't find anything on the ground other than ice fragments.

I've tried lubing the pivot points, but the darn wiper just won't press against the glass. A search of this forum didn't reveal any similar reports.

Any ideas or experience with this problem? Thanks...

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post #2 of 7 Old 01-13-2010, 05:16 PM
Islandroaddie96
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Is the arm spring still good? Is it still there? Unless the arm is actually bent, the only thing it can really be is the spring.

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post #3 of 7 Old 01-13-2010, 05:17 PM
compcrasher86
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Happened on my ZJ, the spring turned out to be broken/worn out. It was rusted and not pulling anymore. mine actually worked by lubing it up but I bet its easily replaceable

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post #4 of 7 Old 01-13-2010, 05:56 PM
LeftOfCenterXJ
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Before replacing it try this:

Remove wiper arm assembly from motor shaft. Work the joint/hinge back and forth and lubricate it with some wd40.

Lots of times dirt and grime can get built up in the joint and cause too much resistance for the spring to pull the blade tight against the glass. In your case you may have some snow or ice built up in there. This is a fairly common problem on this type of design of rear wiper blade. I have had to clean mine out a couple of times.

Good luck

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post #5 of 7 Old 01-14-2010, 05:48 AM
crosschecker
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Quote:
Originally Posted by LeftOfCenterXJ View Post
Before replacing it try this:

Remove wiper arm assembly from motor shaft. Work the joint/hinge back and forth and lubricate it with some wd40.

Lots of times dirt and grime can get built up in the joint and cause too much resistance for the spring to pull the blade tight against the glass. In your case you may have some snow or ice built up in there. This is a fairly common problem on this type of design of rear wiper blade. I have had to clean mine out a couple of times.

Good luck
X2

You probably got some grit stuck in the pivot which is preventing the arm from fully pivoting.

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post #6 of 7 Old 01-14-2010, 07:39 AM
ccavin
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Quote:
Originally Posted by LeftOfCenterXJ View Post
Before replacing it try this:

Remove wiper arm assembly from motor shaft. Work the joint/hinge back and forth and lubricate it with some wd40.

Lots of times dirt and grime can get built up in the joint and cause too much resistance for the spring to pull the blade tight against the glass. In your case you may have some snow or ice built up in there. This is a fairly common problem on this type of design of rear wiper blade. I have had to clean mine out a couple of times.

Good luck
X3. I'm having the same issue right now. The hinge is just bound up a bit.
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post #7 of 7 Old 01-15-2010, 09:16 PM Thread Starter
Powellae
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Thanks...this gives me something to go after. Good chance it's some combo of grit and ice.
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