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  #1  
Old 07-07-2003, 02:41 PM
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Location: Houston, Texas USA
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Radiator Over Flow Tank Leak (84 300SD)

I am getting a coolant leak from the under side of the radiator over flow tank. The hoses appear to be secure and try. Any idea?
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Jacob Wissler Jr., Houston, Texas, 1984 300 SD
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Old 07-07-2003, 02:45 PM
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hoses dry

That was a typo. I was trying to say that the hoses are dry.
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Jacob Wissler Jr., Houston, Texas, 1984 300 SD
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Old 07-07-2003, 03:38 PM
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The one in my 83 SD had a crack. I fixed it with Permatex gray RTV because that's what I had handy. If I had to do it over I'd try a two-part epoxy made for plastics.

The first thing I noticed was that the hose lead to the area behind the headlight. I stuck it back in the hole in the fender but the puddle and coolant loss persisted. I pulled the tank and noticed the crack.

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95 S420
91 300SE
87 300SDL
83 300SD
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Old 07-07-2003, 03:40 PM
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smoke gets in your eyes
 
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BTW, before that, the sealing part of the cap stuck to the neck of the reservoir so I think too much pressure caused the crack. I also changed the cap since when I took it off it came off in pieces.

Sixto
95 S420
91 300SE
87 300SDL
83 300SD
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