Walkyrie_Engineering Posted September 17, 2022 Share Posted September 17, 2022 We just replaced the head on our 2013 CHU and everything appears to be running fine except for an oil leak towards the back of the engine. it's a slow steady drip only when engine is running. I've pulled the timing cover and re sealed it a couple times and no apparent leaks on the back of the engine, it seems to be possibly from where the head meets that backing plate? if it was the rear main seal I imagine oil would be coming out of the sight hole on the bottom of the flywheel housing wouldn't it? there was no leak before I replaced the head and I tried to remove as little as possible to do so but I can't seem to figure out exactly where it is leaking. any suggestions? Quote Link to comment Share on other sites More sharing options...
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