Coolant through the throttle?
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Joined: Feb 2011
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From: Duvall, WA
So, the consensus is...
The coolant going through the throttle is to warm it up in the morning, warm up the air as it goes in for better gas mileage, and to cool down the throttle which gets alot of heat in it so the butterflies don't melt but mostly it's to stop ice from forming inside, and it also doesn't help warm it up in the morning because the rest of the engine is still cold. You can bypass it easily, I've done it for years with no harm whatsoever and it will make your throttle stick open and kill you on the highway.
The coolant going through the throttle is to warm it up in the morning, warm up the air as it goes in for better gas mileage, and to cool down the throttle which gets alot of heat in it so the butterflies don't melt but mostly it's to stop ice from forming inside, and it also doesn't help warm it up in the morning because the rest of the engine is still cold. You can bypass it easily, I've done it for years with no harm whatsoever and it will make your throttle stick open and kill you on the highway.
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Joined: Jan 2011
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From: Philadelphia, PA
So, the consensus is...
The coolant going through the throttle is to warm it up in the morning, warm up the air as it goes in for better gas mileage, and to cool down the throttle which gets alot of heat in it so the butterflies don't melt but mostly it's to stop ice from forming inside, and it also doesn't help warm it up in the morning because the rest of the engine is still cold. You can bypass it easily, I've done it for years with no harm whatsoever and it will make your throttle stick open and kill you on the highway.
The coolant going through the throttle is to warm it up in the morning, warm up the air as it goes in for better gas mileage, and to cool down the throttle which gets alot of heat in it so the butterflies don't melt but mostly it's to stop ice from forming inside, and it also doesn't help warm it up in the morning because the rest of the engine is still cold. You can bypass it easily, I've done it for years with no harm whatsoever and it will make your throttle stick open and kill you on the highway.
the consensus is uncertain, but leaning towards COOLING the throttle body rather than heating it.
Someone already posted their own personal documented case of a throttle sticking wide open, and upon inspection found the TB to be slightly warped from heat.
Combine this story with the fact that the lines going in to the TB are 'cold' coolant rather than 'hot' coolant and I think you can presume its there to cool it.
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From: Philadelphia, PA
Say I start the truck up on a -10 degree day , ie WELL below freezing. If the TB is going to freeze it will have already done so by the time I start the car for the first time in the morning.
It takes a minute for the coolant on a really cold day just to get warm so youd have to drive 15 minues on a really cold day just to begin 'unfreezing' your TB...
it doesnt make sense.
so WHO KNOWS -- ive been searching the net for info and it is a subject of DEBATE -- some say cool, some say heat, some say BOTH... Ford says nothing...
I'm like'n the BOTH answer actually! it makes sense that it would warm it in cooler temps, and cool it in hotter temps. boom, done deal!
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Joined: Jan 2011
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From: Philadelphia, PA
Yes I like this answer the best too!!
case closed LOL
... unless someone would like to continue the debate.....
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Joined: Feb 2011
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From: Duvall, WA
Hate to be a necromancer here, but it's been a week of very cold weather up here in the Great Northwest. Sofar, I have not noticed any difference (other than coolant nolonger leaking from the throttle).