Wiper Arm hard to Pull Back, weird hinge

1825 Views 8 Replies 4 Participants Last post by xlimodriver, Nov 3, 2006

87path

Discussion Starter · Mar 31, 2006

I'm having a hard time pulling back my wiper blade on my 2002 e320. Manual shows that it should pull back like any car. However, when I try it, it feels like I am really fighting the springs in the arm and would have to use a good chunk of force. So far, I've just pulled it a quarter of the way and carefully turn the blade over while holding the arm up to look at it. It's quite a chore and not as easy as my toyotas. Maybe I'm just being too ginger.

Also, I notice there is this little square shaped hinge between the two springs under the arm that just moves up or down when I move the blade out of it's way. Any clue what this is or what position it should be in? I hope I didn't do anything to it.

Thanks!

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87path

Discussion Starter · #2 · Mar 31, 2006

Got one part figured out. A discussion on wipers on mercedesshop.com says there is a spring detent that is there to allow you to prop up wiper blade from window when cleaning window at gas stations, etc. This must be the hinge that I'm wondering about. They also said to put a little grease on it as it can become stiff and make it hard to pull back the wiper arm as blade it pushed towards the window. Sounds like what happened to me. Still heistant to pull the blade all the way back against the force of the springs.

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87path

Discussion Starter · #4 · Mar 31, 2006

Thanks, I did test it and it works fine. I didn't pull the blade very far back at all. Never like to force things. I did think I did something wrong when the "spring detent" made a lound sound and finally moved a little and allowed the blade to pull back at least a little bit above the window. Are those hinges mentioned in the manual anywhere? I was dumbfounded when I looked it over as it didn't seem to provide any functionality at all. Now I know and it will come in handy when washing the window. I'll just be sure to put a little grease on it now.

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87path

Discussion Starter · #7 · Nov 3, 2006

OEM is basically Bosch brand wiper inserts. The exact size is @ $15 at autohausaz.com. I've read on this forum somwhere that auto stores have a Bosch wiper insert that is very close in size to OEM, can't remember which size though, but its one of the larger ones and pretty much the same price as OEM at autohausaz.com. Dealerships charge close to $30, I believe.

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