Intake cooling or heating?
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Senior User
Joined: Dec 2004
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Intake cooling or heating?
What's the job of the two hoses that run from the heater hoses T shape onto the intake manifold ?
If remove or bypass can this affect emissions "smog check" for those who are required by the State to do every two years?
I was just thinking to remove the two hoses cuz my area gets pretty warm above 100 sometimes, and the coolant might get the engine hotter.
Am I wrong?
If remove or bypass can this affect emissions "smog check" for those who are required by the State to do every two years?
I was just thinking to remove the two hoses cuz my area gets pretty warm above 100 sometimes, and the coolant might get the engine hotter.
Am I wrong?
Elder User
Joined: Jul 2006
Posts: 601
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From: Denver
They run heated water along the pcv system. In cold weather, the pcv system (especialy the pcv valve) can freeze and that is a way bad thing. All those hoses affect is the small amount of air that is allowed through the pcv valve, so I don't recommend messing with them. The engine is warmer than the coolant in the hoses, since the coolant is carrying away engine heat, so you won't do the engine any good or harm by removing them in your warm climate.
Posting Guru
Joined: Feb 2006
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Originally Posted by rubydist
They run heated water along the pcv system. In cold weather, the pcv system (especialy the pcv valve) can freeze and that is a way bad thing.
Originally Posted by cadriver
What's the job of the two hoses that run from the heater hoses T shape onto the intake manifold ?
If remove or bypass can this affect emissions "smog check" for those who are required by the State to do every two years?
I was just thinking to remove the two hoses cuz my area gets pretty warm above 100 sometimes, and the coolant might get the engine hotter.
Am I wrong?
If remove or bypass can this affect emissions "smog check" for those who are required by the State to do every two years?
I was just thinking to remove the two hoses cuz my area gets pretty warm above 100 sometimes, and the coolant might get the engine hotter.
Am I wrong?
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Senior User
Joined: Dec 2004
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Originally Posted by jimdandy
Huh????? jd
Which hoses are you referring to? The intake manifold, or the throttle body? jd
Which hoses are you referring to? The intake manifold, or the throttle body? jd
Post Fiend
Joined: Jul 2005
Posts: 8,462
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From: Durant, OK (SOSU)
As I said, to prevent throttle body icing, though it's much less of an issue nowadays as compared to the carb days. It doesn't do much when the truck is warm, frankly it really doesn't do much when it's cold either, but that's neither here nor their. Leave the lines in place, they're not hurting anything.
