Thanks, Brian. My 300SD started shutting down OK for no apparent reason. It takes about 5 seconds for a short run and 30 seconds after a run at normal coolant temp and 70 mph. The seems normal for my Cummins. I don't know what is normal for a 300SD. This is all for low altitude. High altitude takes a longer cooldown in the Cummins.
However, the transmission doesn't shift right, so I suspect that there is a vacuum problem.
Larry
--- In diesel_mercedes@yahoogroups.com, BStromsoe <bstromsoe@...> wrote:
>
> Well Larry - I have one 300D that shuts down immediately, and I have one 300D
> that shuts down less than immediately (2 seconds in cold weather, and 30 seconds
> in warm weather). I am going to tackle the door vacuum lines first as I have
> issues there. I'll go for the fuel shut off last as I don't think that is my
> primary culprit. There are several on line "how to fix fuel shut off" problems,
> try Mercedes Source and Diesel Giant videos and pictorial walk throughs.
>
> brian from la verne, ca
>
>
>
>
> ________________________________
> From: Larry <dittmer.larry@...>
> To: diesel_mercedes@yahoogroups.com
> Sent: Sat, December 25, 2010 9:55:52 AM
> Subject: [diesel_mercedes] Shutdown intermittent for "83 300SD
>
>
> My "83 300SD won't shutdown after a drive at highway speeds. The shutdown
> occurs after a half minute or so when the driving has been slow. I'm getting
> the key release clunk and the steering wheel lockup, but I need to open the hood
> and do the manual shutdown after >10 minutes of cooldown idle. Has anyone
> installed a fuel cutoff solenoid, or is this a simple adjustment if you know
> how?
>
> Larry
>
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