Windshield wiper washer fluid system clean and repair; DIY tutorial - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 12-31-2011, 06:23 PM Thread Starter
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Date registered: Jan 2007
Vehicle: 1962 W111 220SE Coupe
Location: Cloud City, OR
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Windshield wiper washer fluid system clean and repair; DIY tutorial

Hi folks, I had to repair my wiper washer system so I went ahead and wrote up another tutorial for that today. I don't have any pics on this one but I wanted to get it up since many parts of the world are just starting winter and rainy seasons and a clean windshield would be useful!

Wiper Washer System Clean and Repair for W111


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post #2 of 2 (permalink) Old 01-01-2012, 08:30 AM
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Vehicle: 1981 300TD 310k--1966 230 165k--1970 280se 172k
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Nice tutorial! In my case I had to silicone the hose to the switch as the nipple had mostly broken off. There was also a rust hole in the very top of the check valve "bottlecap". Another silicone repair after making sure the valve was working. Lastly, I replaced the short hose between the body and the nozzle that had deteriorated. The system works well now, although I don't have any long term hopes for the hose repair at the switch.

One addition. Be sure to remove the check valve assembly from the washer reservoir before draining the hose to the switch or it will syphon the entire reservoir.

Good idea for the filter.

1981 300TD--310k miles
1970 280sel--172k miles
1966 230--162k miles
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