W123

1984 300D rough idle after highway run

Hi all. My car is running sweet with one minor flaw. After driving at highway speed, 60-75 mph, when I get off and hit the light at the end of the exit ramp the car idles rough. Then I drive around town for a while and the idle smooths out and it runs normally again. I plan on doing a valve adjustment as soon as my wrenches are delivered and I am hoping that is it. Has anyone experienced this and can they confirm I heading in the right direction?

Thanks in advance

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79 240d oil pressure ?

I'm going to try this question again. My 79 240D just got a new (used but better than it had) engine.
The engine starts good when cold (20 degrees now) and has good power for it's age.
I'm running Schaeffers 9000 series 10/30 synthetic. Had good luck with this oil in other diesels we own including old dodge cummins, and our new 09 volks 2.0 tdi.
And maybe what it's doing is no big deal, but it doesn't seem right.

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1977 300D no engine turnover

as if things couldn't possibly get worse from what they are. I just bought a can of engine starter at autozone, the guy there told me if i sprayed it in the intake and the car started it need glow plugs... well i did what he said and soon after my car started and ran. since my car set about a week without running i went and drove it about 5 mile when it started overheating.

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123 wagon rear suspension

300td rear suspension very bouncy.
I have rebuilt the self levering valve and it seems to be working fine. I bought a set of used actuator balls from you and installed them. It might be my imagination but that seemed to help for a while but now Im back to the bouncing around when I go over any dips or bumps.
When I start the car it raises up a little and when I carry a load it also raises up. Any suggestions.
Thanks
Rob

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1984 300D Power Loss... on Bio?!?

Hi there Forum Fiends, I'm helping a friend try and troubleshoot an issue he's been having with his '84 300D-T losing power while running biodiesel versus petrodiesel. The biodiesel is good quality ASTM-certified commercial stock, so I don't think fuel quality is the issue... A mechanic wanted several hundred bucks to open it up and diagnose! I'm thinking it can't be that complicated... Can it? Does anyone have any theories as to why this would occur?

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