Date registered: Sep 2004
Vehicle: 1973 280C
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1973 280C Lower Oil Pan gasket still leaking....
After the fourth time I've changed the gasket. I even bought a NEW lower oil pan, thinking the original one may have been banged up or warped in some way for my latest attempt (as of a day ago). Still leaking. Everything seems fine, then I drive it around for a bit and it leaks.
Question: Am I supposed to use RTV on any of the sides? The first time, I used RTV on the oil pan lip, not the top of the gasket, and it only leaked from the top of the gasket. Then, I used RTV on the top, but not the bottom, and it leaked from the bottom. Now I used it on both sides, and it is leaking quite a bit. I haven't tried using just the gasket alone, with no RTV, but I'm not sure if that's correct. I called the parts advisor and he suggested RTV at the front and back of the pan, but I think he meant the larger pan.