Mine was similiar on a 602 4cyl diesel ,it wouldnt run after I had parked during a drive ,during the drive it had very low power made sounds very close to what your cars engine sounds like, towed it home .The Short story is it had a broken cam ,was sheared in two parts ,the chain would allow cyl 1-3 to turn with compression but a the 4th cylinder their was no movement for the valves to open and close due to the cam failure,take your valve cover off and Im beating youll see the same issue.If you can replace just the cam ,yahoo, the original cam has done its job for those many ,many yrs of service.

This was a hypothesis of mine as well....

ps you wont see boost parked unless you powerbrake.

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http://superturbodiesel.com/images/sig.04.10.jpg
1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42

Urghhh the 602 is a 5 cylinder...

As it goes ,a 600 after the cam break.

... I have a GREAT conditions 603 with the #22 head installed. RUNS VERY STRONG in my soon to be parts car 87TD... make a FAIR offer, and I'll consider it.
I was driving the car with intentions of restoring it from the tbone it endured under yountman's care... but the extensive rust, and the expense of ANOTHER radiator just made me pull the plug.
I do NOT need to sell the motor, as I have two other TD's that could use it someday... but it's available for the right price.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

I'm guessing top end too

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"NEW" 1984 300D TD needs some love

This sucks my friend. I've been going through your video's which is kind of like going through JFK's assassination to his inauguration.

Broken camshaft also my guess as it keeps oil pressure.

I've got a OM603 3.0L with 117,000 on it that I'd be willing to sell. Got to get rid of everything if the deal goes through on this new house in a very restricted subdivision. Gonna be hard to change, but in my case, it's needed. Anyway, you (or other forum members) are welcome to it. Over the next year, I'll be listing all the cars I have and parts as well as I make my transformation to suburbia. Stay tuned.

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1987 300SDL #1, 1987 300SDL #2, 1980 240D, 1982 300SD, 1994 S350, 1990 350SDL, 1991 350SD, 1985 300D, 2005 E320CDI

Gone, but not forgotten: 1981 300SD, 1982 300SD, 1987 300SDL, 1983 300TD, 1980 300CD, 1981 300SD #2, 1987 300D, 1987 300TDT, 1980 300D

Don't do it. You'll absolutely hate it. I won't give up life on the little farm for the 'burbs, don't care that I spend 2.5 to 3 hours a day driving. That said, maybe by then I'll have my money sorted out and can relieve you of some of 'em. Wanted to get the ones from Suffolk but doubt I'll be sorted in time.

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Eric, CPO, Submarines, retired.
Here's a sig line...
Mine: '68 Corvette LS1/4L65E, 83 240D, 2000 GMC 4x4, 08 FLSTC Anniv
Hers: '72 Corvette 454/4spd, '99 MB SLK, '93 Metro vert, 78 240D, '92 Silverado, '65 Fjord Rustang, '59 Fjord Fairlane, '17 Slingshot.

May take you up on it depending on what I find. What are you asking for the engine?

Pulled Valve Cover

Is that from piston/valve interference?

Let us know what you find under the valve cover, if it does turn out to be a busted cam, I have one that I'll give you for the shipping. I really want to see you running again since you just went thru all this work. Pulling and replacing the cam is a cake job.

I have a used set if you want 'em. Unknown miles, but they would get you on the road.

It's deja vu with one fewer cylinder - 1992 300D 2.5 vacuum pump "FAILURE" ball bearings fell into timing chain (scroll to posts 82 and 87).

Sixto
87 300D