w124 mono wiper assy removal-- HOW ?
I'm trying to go underneath the wiper assembly to get to the blower motor. When I looked at the MB manaul it gives 2 ways. My assembly is unlike either one. There is a screw on top that when i remove it ( as per step 1 in both opions), there is nowhere else to go. It doesnt seem to loosen anything. Both versions shown in the manual indicate that the wiper arm should come off after this. It's not happening! It feels like the entire piece is held on from the bottom and I can't figure out how the screws would be accessible. I searched the forum and there was a pictorial description of someone doing it but it is no longer available. Although I'm not srue that it was on the same assembly that I have.
Any help would be appreciated. darkman |
Monowiper
I have a different car, and four years later, but FWIW my monowiper has nuts up under the "lip" below the windshield. If I lean in and look up under there, I see them. There is a bolt in a little white bracket below the mechanism, and the one I think you are describing on the place that turns around to move the wiper back and forth. I just had mine off yesterday. The big thing I learned was to be careful of those nuts as they come off, they're easy to lose. A flexible, magnetic pickup tool saved me about several times.
MDB |
I just re-greased my mono wiper system in my 87 300D, and for me, I just followed my instinct. You need to remove the lower windshield moldings, they are clipped in so you just pull them out. From there just unscrew the remaining moldings including the molded plastic bins as well as the four screws that secure the rubber boot under the wiper.
Once you get this stuff out of the way, it will become clearer how everything is put together. It took me 1 and 3/4 hours to remove grease and put it all back together. I know that you only need to access the blower, but this is a great opportunity to grease the wiper unit as they do wear out a plastic gear rack if not greased in 15 years and I read that they are $1400 new! For me, the job was much easier than thought, so give it a shot! |
thanks
thanks. I'm going to try this now. I'll post the results.
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This might help-
It is from a "How to repair a mono-wiper" Tools needed for repairing the wiper arm -Small mirror -Dental pick or small Allen wrench Instructions: -Raise the hood for improved access. -With the ignition off, rotate the wiper switch to the first position. -Turn the ignition on and off rapidly, so as to move the wiper arm out of the park position. -Move the arm manually to the straight up position. -Remove the three-sided rectangular cover (lower end of arm) that extends over the cap by pulling it straight up from the bottom end. -Using a sensitive fingertip or a dental mirror, locate the two small recessed rectangular openings on the underside of the cap at roughly the 5 and 7 o'clock positions. -Using a tool with a 90 deg end such as a dental pick or a small Allen wrench, release the catches in the access holes while pulling the cap upward with the left hand. -Now that the entire articulated wiper actuator is in plain view, you will see as I did that the shaft that extends the arm up into the windshield corners (twice per sweep) is very likely no longer lubricated. -Remove all the old grease from the shaft and bushing using for example a cloth soaked with lacquer thinner or similar, moving the arm back and forth to expose the arm surfaces inside the bushing. -Apply new lubricant and I don't mean WD-40. I used Sil-Glyde, a silicone grease which has a working temp range of -20 to +400 deg F. -Reassemble in reverse order. _______________ Haasman |
Thats the description for the newer assemblies. The older assemblies have no catches underneath the rectangular housing and you have to remove the mouldings as stated.
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good to go!
Sorry about the delayed reply. I got it done as described by BusyBenz. Thanks! Your instincts are very different from mine :D . I would never have attempted to take the winshield strips out. Anyway, with any less instruction, I couldn't have done it. Thanks again to everyone.
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1992 300E Wiper cover removal help
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I know this is an old thread but this may help anyone working on the older type monowiper system;http://www.peachparts.com/shopforum/tech-help/66429-how-grease-300e-wiper-gearbox.html.
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Am I missing something?
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I slathered grease all over everything I could reach but the wiper didn't seem to go much faster; I'm hoping it'll free itself up with use. |
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