Wiper Control Device:

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Here's a pic, and another will follow:



Crud! How do you add an image from your computer? I see the way to link to a pic on the web via URL, but I can't get the image off my computer to post.

One more observation. My solenoid is different than yours. Probably, it has been replaced from the original. I am sure it has.

Here is the configuration....

Electrical is supplied to solenoid. It seems the co-valve is built into the solenoid. At the bottom of the solenoid (which is inside the jar), the hose from the balancing valve (not to be confused with the co-valve) goes into the jar from the top, and then, plugs into the bottom of the solenoid. There is another hose plugged into the solenoid at the bottom that is totally contained within the jar. This 2nd hose is obviously designed to suck water from the bottom of the jar.

By the way, where did you get these diagrams? I have been through some of the SB's on this site, but I did not see anything like that. Some others seem to have referenced materials from SB's and such that seem not to be on here, either.

Aha! I see where we are talking past each other. The photo you posted is different than what I have. I do not have a co-valve on top of my jar. The hose goes right into the jar and is submersed. There is only 1 hose.

I have been referring to pic 3 you posted. That was the drawing diagram where it shows the balancing valve. That is totally different than the co-valve you show in your photo. Please refer to the drawing, pic3.jpg. This is Post #4 in this thread.

HH, believe it or not, you are educating me as to the way the windshield process works. This is good. I'm not totally there yet, but understanding more and more.

If you look at Pic3.jpg you posted above, you will see that it shows an outlet at the balancing valve that says "to water jar." Besides this single hose, the only other stuff at the jar is electrical.

Water is pulled from the jar, to the balancing valve, and instead of exiting the top of the balancing valve, it is exiting the bottom through the hose that goes to the manifold.

Thanks, HH. I can tell you know your stuff. I hope you can bear with me 'til this is figured out.

What I am thinking I see is this...

Looking at the diagram above, you will see two hoses that attach to the bottom of the balancing valve. One is labeled "vacuum," and the other ia labeled "manifold."

If I detach the one labeled "manifold" and push the water button at the dash, water is pumped from the jar and out of the hose labeled "manifold." There is none getting in the vacuum line.

Am I explaining properly?

They are connected correctly, I think. I'll explain by reference to the disgram posted above.

Water is sucked or pumped from the jar to the balancing valve. The hose from the jar is connected to the proper nipple on the balancing valve.

Instead of going through the balancing valve and on up to the wiper mechanism, it goes down and exits the hose that goes to the maifold. That hose is marked on the diagram above. It does not exit the vacuum hose. It exits the hose to the manifold.

The wipes do work, so I know there must not be an obstruction in the hose that exits the balancing valve and goes to the wiper mechanism. But maybe there is obstruction after that - like where the water is supposed to exit the wipe blade and spray onto the windshield.

I don't know.....

I oiled the wiper mechanism per instructions in service bulletin. They work much better.

However, I filled the washer jar with water to go ahead and begin using it, which I've never done before. The thing works, except water was pushed through the line adjacent to the vacuum line that goes into the manifold. So, I obviously flushed my manifold with a good dose of water. It will be fine.

I am thinking that there must be some blockage in the line that allows the water to escape to the windshield, so the pressure forced the water through the wrong line. But I don't know this to be the case. Has anyone had this problem before?

Driver's door glass cracked in lower front? Mine cracked there as well. Is this coincidence or a problem that needs to be addressed before replacing with new glass? I'd sure hate to replace the glass only to find it cracks again.