I got all exhaust and one intake valve adjusted before running into the nuts stuck together. I don't want to torque on them too hard. A .1 feeler will not fit, but .005 does, so there is some clearance.

Thanks for your input! Happy Saturday.

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I could not own any MB without the help from you...fellow forum members.


83 300td 207,XXX

I think you are going to have to torque harder. I don't forsee any other solution. You could try a few heat/cool cycles with a torch but you may fry the stem seals.

Be sure your wrenches are a good tight fit on the nuts. If you haven't already, remove the injector hard lines and get a box end wrench on the top nut and see if you can't jam an open end against something for the bottom one.

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1981 300TD 310k miles
1970 280sel 172k miles
1966 230 Fintail 162k miles

"Where are we going? And why am I in this hand basket?"

A heat gun might be a safer alternative.

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

With the cam follower removed, yes; with the follower still in place, no.

Are you using all 3 wrenches?

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1983 300SD
200000miles

So I had three stuck in total, and I managed to loosen all of them using the most forceful finesse I could muster.

Now I have the issue where one of the adjusters is not making any adjustment. Trying to open up the gap, but the top nut does not seem to be doing anything. Is this where the third wrench comes in?

__________________
I could not own any MB without the help from you...fellow forum members.


83 300td 207,XXX

The third wrench grabs the large nut at the top of the valve stem but below the two adjusting nuts. I made my own valve adjusting wrenches and in the first attached picture you can see the one for the large nut. The second picture shows the large nut that you want to hold still while you adjust the gap.

Attached Thumbnails

   

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1983 300SD
200000miles

The bottom nut moves when moving the lock nut down, but not when moving the adjusting nut down. I'll give this a shot after breakfast.

__________________
I could not own any MB without the help from you...fellow forum members.


83 300td 207,XXX

Thanks everyone. It looks like I am on the right track now.

__________________
I could not own any MB without the help from you...fellow forum members.


83 300td 207,XXX