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

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Old Mar 14, 2010 | 04:16 AM
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I have been suspecting a vacuum leak for some time but could not find one. I took my car, an 89 heavily modded, down off the ramps and then found this on the floor under the car. It must have dislodged as the car was tweeking getting it down. The location was left side rear of engine. I have a pencil pointing at a broken nipple. Any help as to what this is and original location would be a great help.

Thanks
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Old Mar 14, 2010 | 04:33 AM
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It looks like some kind of check valve for the vacuum system.
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Old Mar 14, 2010 | 04:57 AM
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http://www.ecklers.com/product.asp?p...8&dept_id=1193
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Old Mar 14, 2010 | 05:03 AM
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Thank you! Any idea where it is located?

Last edited by Movnviolation; Mar 14, 2010 at 05:05 AM.
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Old Mar 14, 2010 | 05:13 AM
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Originally Posted by Movnviolation
Thank you! Any idea where it is located?
On my '96 it is on the right side of the intake manifold. Not sure about your year though.

You can probably pick it up locally. Perhaps the store will know.
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Old Mar 14, 2010 | 05:18 AM
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Thanks again!
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Old Mar 14, 2010 | 07:10 AM
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You can get one at any auto parts store. On a L98 the location is drivers side of dizzy the bottom line is for A/C vent control the middle is cruise control and the top is where you get vacuum from the plenum. The A/C line is a PITA to find behinde dizzy small hard plastic line taped into main loom.
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Old Mar 14, 2010 | 10:32 PM
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Thanks again!
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Old Mar 14, 2010 | 11:33 PM
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I would NOT get one from a parts store. They are crap. I had one, and a few months later I pulled a line off it, and the plastic piece broke off.

Get one from the dealer. It is cheaper anyways than the parts store. And looks to be a better design.
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