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What is this part?

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Old Mar 16, 2019 | 7:18 PM
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M_metzger1114's Avatar
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Default What is this part?
So i posted this in the venture forum but figured it might get more attention here.

This thing melted and I need to order another one...problem is I dont know what it is lol. Can anyone help me?

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Old Mar 16, 2019 | 7:21 PM
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Coolant themorstat. very inexpensive item. don't drive without it.

The gooey stuff is wax and when it melts it opens a valve. Kinda cool how it works.
Last edited by mountainmanjoe; Mar 16, 2019 at 9:41 PM.
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Old Mar 16, 2019 | 9:46 PM
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I dont think it's the thermostat. It's got a vacuum line running to it. Pretty sure it has something to do with the exhaust.
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Old Mar 17, 2019 | 1:50 AM
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vacuum line and diaphram spring from an old egr valve would be my guess
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Old Mar 17, 2019 | 7:27 AM
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Looks like an air/smog pump check valve.


https://www.rockauto.com/en/catalog/...eck+valve,4912
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Old Mar 17, 2019 | 8:05 AM
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Thank you oldChevy! And thanks for all the other replies to, but oldchevy wins the prize lol.


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Old Mar 17, 2019 | 8:06 AM
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I guess this thing has California emissions? Lol I wonder if itd be ok if I just delete it
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