Quick dumb question

Discuss topics related to the CA18DE and CA18DET series engines.
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fabio240
Posts: 501
Joined: Thu Apr 03, 2008 10:55 am
Car: S13 with ca18det

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you know how on the cold side of the intercooler piping theres a smaller pipe that comes off of it just curious where does that go.

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r34 gtr
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One of those dumb auxiliary air valves or something. Probably that AICV thing that sits right next to the thermostat housing.
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rico05
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Joined: Mon Jun 23, 2003 6:52 am
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Yep. It goes the lower port on the IACV also known as the air regulator.
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fabio240
Posts: 501
Joined: Thu Apr 03, 2008 10:55 am
Car: S13 with ca18det

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Do u kno if there is a port designated for that hose cuz ive been driving without it cuz thats how my swap came and it was already blocked.
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