where do throttle body hoses go to? - CamaroZ28.Com Message Board


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Old 08-11-2006, 10:01 AM   #1
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where do throttle body hoses go to?

particularly the two connections on the passenger side. my bottom is routed to a steam pipe on the intake manifold or heads i think and the top one is open with no connection to it. But the top one is where im concerned. it has TONS of air blowing out of it. where is this supposed to connect to? Ive got a blower which may explain the air, just wondering what i should do. i checked shboxs diagrams but they dont say what goes where.
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Old 08-11-2006, 10:12 AM   #2
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Re: where do throttle body hoses go to?

The very top hose is connected to the pcv system and goes from the valve cover to the throttle body. I would think if your blown it may have forced the hose off because its not secured with anything.
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Old 08-11-2006, 10:17 AM   #3
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Re: where do throttle body hoses go to?

ahh ok yeah that explains it. my valvecover breather is routed to the blower. ill have to put on a plug with a hoseclamp or something.
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Old 08-11-2006, 01:20 PM   #4
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Re: where do throttle body hoses go to?

There are three connections on the passenger side of theTB.

The smaller lower hose on the body is for the EVAP system that purges the charcoal canister in the driver's rear fender.

The very bottom connection, on the plate below the IAC motor is the TB coolant line. Most people remove that one when they do the coolant bypass.
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