[redir]

I call it the einviper.... But anyway when I turn the wipers off the arm swings back left but stops with about 6 inches to go. IT will not go all the way home under the bonnet where it belongs. As such I have failed my annual inspection

I've read a few articles out there on it but can't come up with anything conclusive. Some folks talked about cleaning contacts on a very expensive relay but they fail to mention where that relay is. Any thoughts on how I should proceed?

Regards.

 

[sbaert]

You need to open the wiper transmission, clean out the old dried grease, then relube with MB gleitpaste or Mobiltac 375NC

 

[luckymike]

I would spend some quality time with youtube videos and online writeups of how this mechanism functions, then look carefully at yours for differences in what you've learned.. I'm guessing some tooth is off somewhere, or maybe the adjustment of the park position slipped.

Does the wiper go too far at the other end of its stroke?

 

[redir]

No I don't think it goes too far. I will double check that tonight though.

Yeah I guess I should jsut start taking things apart and having a good look.

 

[JC220]

Refer to this write up I created- (Register to see the pictures)

http://www.500eboard.com/forums/showthread.php?t=11195

I suspect your issue is a centre nut has came lose and the wiper has lost its park position.

This will require removing the wiper & re-setting as I describe. Relubing with synthetic grease is highly recommended.

 

[tuttebenne]

I used JC220's write up in the past to a good result. The information in step 4 is probably the most important piece of formerly unavailable info on this diabolical mechanism.

As for the OP, I wouldn't be surprised if the plastic semi-circular gear has started to break up. Hope not.

 

[LeftCoastGeek]

do note, there's two different wiper internals, one is bosch, the other sks or something, and the parts inside them aren't interchangable.

 

[sbaert]

The "other" is SWF

 

[JC220]

Guys- refer to the thread I linked to. Everything is explained in detail in there. Including compatibility (Late arm into early wiper Mech IS compatible)

 

[redir]

So this is pretty crazy. I can't for the life of me imagine how this could have happened. I've had this car for about 10 years now and have done most of the work on this car and have never gotten into the wiper assembly before. I've also driven the car in the rain countless times here on the east coast U.S. with no problems. Anyway I get the assembly out and put it on my work bench and then realize... Huh? WTF? Really?????

The three mountin bolts for the wiper motor are simply gone, they are not there. So all this time this motor was not bolted or somehow magically the three bolts disappeared. How in the world could this thing have functioned for so long without tearing itself up? You can see there is some damage to the frame assembly and one of the bolt holes in the motor is blown out the side.

I'm at a loss for words. Uh yeah, there's yer problem.

Does anyone know what size bolts those should be? Need to run to the hardware store today.

Here is one of the bolt holes enlarged and ovaled out.

 

[Maxbumpo]

I believe they are a 6mm stud, take a 10mm socket. That is pretty weird!

 

[redir]

Yup 6mm, thanks. Yeah it's the oddest thing for sure.