300 SEL Motor Missing
09-01-2007, 03:55 PM
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1988 Mercedes-Benz 300 SEL
300 SEL Motor Missing
I had the head machined 3000 miles ago and now I have a miss. Pulled plugs and all were oily. Shop that worked on head is now out of business. THe oily plugs seems like valve guides, right? If so, I will have to pull the head myself and bring it to a machine shop. What should I have them check and do?
I replaced the plugs and air filter and put in an injector cleaner. Ran great for about an hour. Plugs are oily again.
Thank you
I replaced the plugs and air filter and put in an injector cleaner. Ran great for about an hour. Plugs are oily again.
Thank you
09-12-2007, 09:37 PM
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1990 300SE
Fouled Plugs
I would advise you to have a cylinder compression and leak down test. This would give you data to take a better decision on a repair. You don't want to pull the head again and find that you have a bottom end problem.
