I didn't touch the car on Monday, so I went back to it last night (Tue).

I put the torque wrench on the hard to move glow plugs and I was amazed how much easier it was to move them. The torque wrench is also 4 times longer than my 3/8 inch wrench, so the extra leverage surely helped. I thought somehow that the carbon might have softened a bit from Sunday's work. (the setting on the torque wrench is ~48 NM)

I decided to use the 3/8 inch wrench and the GPs were very hard to turn. That is when I realized the torque wrench gave me the feeling that maybe I loosened some of that carbon.

I can see half the threads from #5 and 6 GPs. I haven't turned #3 out more than one or two revolutions. I will wait for the Kroil to arrive sometime on Friday until I try again. Its a good thing I have a Toyota Camry as my 10 yo reliable vehicle to drive while my MB is in the garage.

Can the Oil filter housing be removed so I can get easier access to the #6 GP?

Thank you.

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1998 E300 Turbodiesel 184K