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Old 08-10-2009, 04:16 PM
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Join Date: Aug 2009
Posts: 23
Freeze Plug 300D Turbo

Does anyone know how to get to the passenger side freeze plug to replace it? It is the 38mm threaded plug. I have an '83 300D Turbo. I'm pretty sure I need to remove the air filter, turbo, and exhaust manifold. If anyone knows, please email me

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Old 08-10-2009, 05:14 PM
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Join Date: Jan 2002
Posts: 18,355
If it's a threaded plug, it's not a freeze plug (I think). You are probably referring to the block heater plug. If you search on 'block heater plug' I believe you will find an old thread describing how to access it thru the wheel well with the tire removed. Depending on your climate, I would replace the plug with a block heater, rather than another plug if possible.

1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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