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Old 03-30-2005, 09:56 PM
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What is this thing?

For sometime now there has been this pump like thing under my hood that I never paid much attention to until now. I was replacing my blown headgasket and started to wonder what its hooked up to and if I need it or not. Its on a 86 chevy truck, I unhooked the computer and got rid of the the smog stuff, I think this may have something to do with the smog but I wanted to make sure before I tore it out.
Its the circled thing, Its kinda like a pump of some sort, Its soft and rubbery on one side and I can push it in and it slowly pops back into shape.



Brad
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Old 03-30-2005, 10:23 PM
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looks like part of the cruise control to me.
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Old 03-30-2005, 10:28 PM
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cruise control

Its the vacuum pod that pulls on the carb linkage.
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Old 03-30-2005, 11:24 PM
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Thanks guys I completly forgot that the truck had cruise control at one time. It stopped working a long time ago and I was gonna replace it with an aftermarket cruise control sometime. Do you think I should just take it out or will it be needed for the aftermarket cruise control? Thanks again

Brad
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Old 03-31-2005, 12:46 AM
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You won't need it. Keep it around just in case. Always nice to have spare parts layin around.
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