Quote:
Originally Posted by Diseasel300
My "first" Mercedes is the 500SL. I still need to do a writeup on that one. 19 years of pain and elbow grease with that car.
The Diseasel got a "diesel purge" to clear the crap out of the injection pump. To be honest, I haven't really noticed much of a difference before and after. That said, my engine isn't the world's best example either. Some say it helps, some say it doesn't. It did get some nasty garbage out of the pump (used injection pump). I'd say if its ain't broke, don't fix it.
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I finally got my new fuel thermostat installed and thought my problems were over. The air in the clear lines is gone but when I shut the engine off the fuel in the clear line from the heat exchanger to the pre filter drains back after about 15 minutes and all the other lines remain full of fuel.
While the engine was running I noticed two of the delivery valves were weeping fuel so I blew them off with compressed air to dry them out but after a few seconds they were wet again. My question is, can I replace the rubber "O" rings under the delivery valves to stop the leak or do I need to replace the copper seals as well?
If "O" rings alone are sufficient , what size are they?
Thanks,
Rick