I'm having trouble getting my 85 300SD turbo oil drain to stop leaking.
Replaced the seal in the oil pan, gasket at the turbo and o-ring on the
tube. Are there any special installation instructions that I'm missing?
Plenty of oil at the oil pan mostly. It appears not to be leaking from the
upper O-ring as the lower tube is dry at the top . Definitely not leaking
at upper flange at turbo either. Both O-rings have been replaced along with
the grommet at the oil pan.
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