C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

My Mosquito repellent

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Old Jul 2, 2011 | 06:22 PM
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Default My Mosquito repellent

I am getting serious smok coming out of the right rear of my engine compartment and it is definitely oil.

Besides the China wall and dipstick tube and excluding valve covers, is there anywhere else oil could be coming from?

Just replaced tube and I am going to take intake off (AGAIN) and do the wall, just want to do this one time, so I am looking for all posibilities.

TIA
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Old Jul 2, 2011 | 06:31 PM
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Oil pressure sending unit on the back of the block.
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Old Jul 2, 2011 | 06:36 PM
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Isn't that on the drivers side?
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Old Jul 2, 2011 | 07:31 PM
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Yes, drivers side...but if it is spot leak...spray....could be going to right side. I would check the valve covers first. Then take a mirror to look at the rear china wall. Can you tell is it a leak over a large area or concentrated?
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Old Jul 2, 2011 | 07:39 PM
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I am pretty sure it is leaking at the china wall and good point about the oil going over to the right side.

Valve covers are good, just replaced them last summer.
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Old Jul 3, 2011 | 06:43 PM
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Originally Posted by John A. Marker
Oil pressure sending unit on the back of the block.
I had a leaks everywhere, except the valve covers.

Rear China wall was the worst, Oil pressure and and temp, plus their connecting pieces.
You almost have to get the harness all the way off, to get the intake back on and for those who are going to try this, if for any reason you lift the intake back off, clean and reapply the RTV, before reinstalling.
Both times I have had leaks after taking the intake off, it was because I lifted the intake off to realign.
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