[diesel_mercedes] Won't Start Diagnosis

 


Well ;

If you take the time to read the responses and follow the suggestions in the correct step by step order , you'll find the outlay in tools and parts isn't much in the long run , certainly far less that having it towed to some local garage who might damaged it worse or sell you things you don't need , or do shoddy work because " it's just an old Mercedes " (shudder) .

Do the valve adjust and have the battery's ground cable off and the charger on it's lowest setting whilst you while away the hours learning how to adjust them and getting it done , be aware you really do need the special bent wrenches and a stepped feeler gauge to do it right .

Also , look in the clear plastic intake fuel screen ~ if it's black like coffee , or worse , has tiny chunky things in there that look a bit like old coffee grounds , then replace it with the correct one and buy a quart bottle of " DIESEL 911 " from Wally-Mart or your local truck stop and dump the entire thing into the fuel tank before proceeding .

Once it begins to run , it'll prolly chug and shake like mad ~ DO NOT let off the starter until it's running on all four cylinders and DO NOT release the throttle below 1/2 way or it'll stall out and flood (yes , Diesels can flood and they're bugger-all to get going again) , just keep it running , no pumpng thr throttle , it'll make HUGE clouds of choking smoke but it'll stop after a while so have faith and DON'T GIVE UP ! .

-Nate
Don Wrote :

OK, a valve adjustment it is. I'll order a new valve cover gasket today. Hopefully I won't need to invest in a compression tester; I hate buying tools that I'll only use once. (Then again, if I get one, that could be my justification for buying more cars.) Thanks everyone.

-Don

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