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

Oil Leak front end engine

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Old May 1, 2015 | 04:44 PM
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Default Oil Leak front end engine

I found a couple of inches wide oil leak over night. The engine bay has some small oil stains on the air intake duct and on the in side of the hood. The car had the intake manifold replaced less than 2 years ago. Any ideas?
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Old May 1, 2015 | 06:44 PM
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Pictures of the oil under the hood would be worth thousands of words in this case.

I would guess you either have an AC compressor leaking or the serpentine belt is getting oiled from below and bringing it up.

Many threads here on the possible leak areas of the LT1. Cam cover (multiple seals behind the opti and water pump as well as the gasket itself) and the intake are the biggest culprits. There is also a crank position sensor at the very bottom of the timing cover under the crank pulley that can leak.
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Old May 3, 2015 | 09:16 PM
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Check your p/s lines.
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