RE: [Chrysler300] 300F Oil Leak

["Ryan Hill" <ryan_hillc300@xxxxxxxxxxx>]

Depends on the source and nature of the leak but there are a few quick fixes 
that may at least slow the leak. If you have an old neoprene(black rubber 
gasket) that has hardened from heat it may have split in which case the only 
option other than removal and replacement is to clean the area really well 
and use a gasket maker silicone to cover the area. I would use ether, 
acetone, or alchohol to get it really clean first.

If you have cork, the cork is likely saturated and is seeping. Most cases of 
excessive leaks are due to distortion of the mating surface caused by 
overtightening the bolts.This is often the case with trans pans and oil pans 
as well. If you can remove the bolt nearest the leak and get at it you may 
be able to restore the flange to reduce the gap. Personally, I'd remove them 
completely and do it right or just live with the leak.

When the covers are off the car, I set the flange on a block of wood and use 
a 2 x 4 on edge to hammer the surface true. I place a small bead of silicone 
on the flange before installing the gasket and attach the cover with even 
pressure but only hand tight until the silicone has set. Then I tighten the 
bolts to specs. Take care not to overtighten the hold down bolts when 
reinstalling or you'll be taking it apart again!

I'm sure others will have their own advice but that's my two cents. Hope it 
helps.

Ryan Hill




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