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01-01-2015, 08:38 AM | #1 |
Drives: Yaris 2010 Manual Join Date: Dec 2010
Location: PR
Posts: 44
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Dumb Question about air coming from engine bay
I notice that everytime i start my car I feel air down the engine bay (The radiator fan is not ON). Just curious, which part "is" generating air ?
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01-01-2015, 08:48 AM | #2 |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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Intake sucks air. Exhaust shoots air/gas
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01-01-2015, 10:27 AM | #3 |
Drives: Yaris 2010 Manual Join Date: Dec 2010
Location: PR
Posts: 44
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You are absolutely right my friend, but the air i'm feeling is coming from the engine bay not from the header to the exhaust. I thought that moving parts from the engine like pistons or whatever with their movements generate air but since the engine block is sealed I was curious. I have no check engine light ON
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01-01-2015, 10:45 AM | #4 |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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Dude.. The intake is in the engine bay.
Whereabout do you feel the air? |
01-01-2015, 10:56 AM | #5 | |
Drives: Yaris 2010 Manual Join Date: Dec 2010
Location: PR
Posts: 44
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Quote:
I feel little air blowing from the intake manifold but i don't have no check engine light ON. I thought it was maybe the alternator producing little air from internal moving parts |
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01-01-2015, 12:06 PM | #6 |
Drives: 2009 5-door, 5-speed Join Date: Sep 2011
Location: White Rock BC
Posts: 687
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Anything moving will move air with it due to friction and things that shear the air. So drive belt, pulleys, bolts on pulley etc all will cause air movement. And yes, the alternator has an internal cooling fan.
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01-01-2015, 12:06 PM | #7 |
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,761
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You've got;
- a water pump pulley spinning - an a/c pulley spinning - an alternator pulley spinning - a crank pulley spinning - and around all these spinning pulleys, a serpentine belt whipping around Of course you are going to feel air movement!
__________________
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01-01-2015, 12:12 PM | #8 |
Drives: Yaris 2010 Manual Join Date: Dec 2010
Location: PR
Posts: 44
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