TB coolant line removal
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Lead Driver
Joined: Dec 2002
Posts: 5,491
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From: Kuna ID
TB coolant line removal
Has anyone deleted the coolant lines that run through the throttle body, working on a 93 5.0. The preformed lines aren’t in the best shape and it would be easier to just eliminate them. I live in Idaho and the low temps are usually in the 30’s with occasional dips into the teens.
Lead Driver
Joined: Sep 2002
Posts: 9,540
Likes: 2,031
From: North Texas
Yes I have around the year '00. No ill issues.
I used a pipe plug down low and a fresh heater hose on mine. There are a few routings available, so just eyeball it and knock it out.
Done for ease of service and less places to leak, not for 'power" gains.
I used a pipe plug down low and a fresh heater hose on mine. There are a few routings available, so just eyeball it and knock it out.
Done for ease of service and less places to leak, not for 'power" gains.
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Lead Driver
Joined: Dec 2002
Posts: 5,491
Likes: 16
From: Kuna ID
This truck has a preformed metal line that runs along the top of the radiator where it crimps into a rubber hose that runs over to the tb. I used to have a 95 F150 with a 5.0 and don’t remember it having that line. It looks totally factory though.
More Turbo
Joined: Sep 2012
Posts: 739
Likes: 256
From: Zimmerman, MN
Has anyone deleted the coolant lines that run through the throttle body, working on a 93 5.0. The preformed lines aren’t in the best shape and it would be easier to just eliminate them. I live in Idaho and the low temps are usually in the 30’s with occasional dips into the teens.
Logistics Pro
Joined: Aug 2010
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From: Chillicothe
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Hotshot
Joined: Jun 2015
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Living where you do, I would keep it but you can bypass the throttle body if you want.
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Hotshot
Joined: Jul 2020
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From: Near Salt Lake City
I fix and replace the hoses regularly
Your truck needs that EFE (early fuel evaporation I think they called it in screwell)
EFE, look it up if you want
I'm in Utah and we need it when temps drop below 30F
Same function as the old heat risers on carbureted vehicles
I would damn sure keep it in Idaho
But
Your truck will run fine without it in the winter, and maybe even run better in the hot summer without it
Your truck needs that EFE (early fuel evaporation I think they called it in screwell)
EFE, look it up if you want
I'm in Utah and we need it when temps drop below 30F
Same function as the old heat risers on carbureted vehicles
I would damn sure keep it in Idaho
But
Your truck will run fine without it in the winter, and maybe even run better in the hot summer without it
Cargo Master
Joined: Mar 2007
Posts: 2,825
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I swear my 5.8L CA engine had the line start at the radiator, through the throttle body, and back to the intake manifold. The radiator line is needed for bleeding. I routed the hose so it does not go to the throttle.
Highly unlikely it will effect anything, but that is just my thought.
Highly unlikely it will effect anything, but that is just my thought.
Hotshot
Joined: Jun 2015
Posts: 12,833
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I guess that was just a description of the routing? Coolant flow is the other direction.
Cargo Master
Joined: Mar 2007
Posts: 2,825
Likes: 1,029
Yes, just how the hose/lines route, not flow.
As far as I am concerned, you need that hose hooked up, go ahead and bypass the throttle, but do block/remove the hose, it helps bleed the air out of the system.
As far as I am concerned, you need that hose hooked up, go ahead and bypass the throttle, but do block/remove the hose, it helps bleed the air out of the system.
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