Does anyone know what size and threads /mm the nuts that hold the air cleaner to its bracket are. I thought my bracket was broken cause the air cleaner rattled at idle, however it turns out 2 of the 3 nuts that hold it to the bracket are missing Thanks Russ

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1978 300 D 258,000 + miles sold 1995
1983 300 D Turbo 152,000 miles
Thank God for the man who put the white lines on the highway

6mm most likely

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Jennifer
90 350sdl

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I was thinking that this was quite a personal question...

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'78 240D

i'll look for you two guys on Comedy Central.

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Jennifer
90 350sdl

Russo 85300tD,

I think they are 8mm, and maybe even 10mm. But, figure it out by checking the wrench that fits on the one that remains, then it off and go to the hardware store and match it by trial and error. I have done this a number of times with screws and bolts. Should work fine for the nuts too. Good luck, Jim

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Own:
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)