Second the valve adjustment. My 220D had hard starting problems.
· Replaced glow plugs, they were very poor condition
· Valve adjustment
· Rebuild vacuum pump and replace one line
· Diesel purge, and replaced all filters
Easy start up, greatly reduced smoke, fun to drive again.
From: diesel_mercedes@yahoogroups.com [mailto:diesel_mercedes@yahoogroups.com]
Sent: Saturday, May 31, 2014 5:40 AM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] Re: Help please
Just about everyone on the list has asked a question about hard starting and been greeted by chorus of, "When did you last adjust your valves?" The combination of tight valves and/or a significantly worn timing chain will make it very difficult to start your engine, even if you don't have any air in your fuel system. I have heard more than a few stories of MB diesels that were junked for hard starting, when all they likely needed was a valve adjustment.
If your valves and injection pump timing are both fine, and, on the fuel side, everything looks good from the hand primer pump forward, then you probably should take a look at your fuel filters and the intake screen in your fuel tank. Personally, I know that I don't pay as much attention to the big main fuel filter as I should, and it's lasted through multiple changes of my clear in-line filter. However, those filters can and do get clogged up from use, too.
Hope this helps get you pointed in a productive direction.
--Conrad J.
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Posted by: "Atwood,Warren" <Warren.Atwood@altramotion.com>
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