95 e300d 606

For future reference, how do you remove the tensioner arm? Looks like a very big hex cap head - like the size of the differential filler plug. I don't have any hex wrenches big enough to remove it. Possibly there is a smaller hex head bolt deep inside the very big hex nut?

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2009 E320 Bluetec 117,000
1995 E300D 306,000 Sold
1996 Ford Taurus LX 130,000 Sold
1985 300TD Still 225,000 Sold
2016 Ford Fusion 24,900

On the 603 that bolt is a 12mm hex. I use a 12mm hex bit and a 12mm gear wrench on the bit.

-Jason

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.

I went to Harbor Freight for the 12mm.

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=98229

Well worth the money.

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Michael LaFleur

'05 E320 CDI - 86,000 miles
'86 300SDL - 360,000 miles
'85 300SD - 150,000 miles (sold)
'89 190D - 120,000 miles (sold)
'85 300SD - 317,000 miles (sold)
'98 ML320 - 270,000 miles (sold)
'75 300D - 170,000 miles (sold)
'83 Harley Davidson FLTC (Broken again) :-(
'61 Plymouth Valiant - 60k mikes
2004 Papillon (Oliver)
2005 Tzitzu (Griffon)
2009 Welsh Corgi (Buba)

the hole is like 20 mm across.

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2009 E320 Bluetec 117,000
1995 E300D 306,000 Sold
1996 Ford Taurus LX 130,000 Sold
1985 300TD Still 225,000 Sold
2016 Ford Fusion 24,900

I bought a 12mm hex key and cut a 1" piece off to use with a 12mm socket and my torque wrench. I couldn't find a 12mm hex bit when I was doing the job.

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Chad
2006 Nissan Pathfinder LE
1998 Acura 3.0 CL
OBK#44
"Pleasure in the job puts perfection in the work." - Aristotle (384-322 B.C.)

SOLD
1985 300TD - Red Dragon
1986 300SDL - Coda
1991 - 300TE
1995 - E320
1985 300CD - Gladys

My 12 point headbolt tool has a 12mm hex shank and fit perfectly to remove that bolt on my 602. The radiator was out of course! Don

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Red Green "This is only temporary,Unless it works!"

97 E300D 157000 miles
87 300TD ?141k? miles