Where does the coolant go?
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Cross-Country
Joined: Sep 2007
Posts: 91
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Where does the coolant go?
When the engine is working hard and the head (s) unseat, where does the coolant go, in the oil, to the atmosphere or both?
There are times when I am pulling heavy ( 18 to 20K+) pulling up a hill from a stop, and I can hear the engine working hard, then I later check the coolant level and it has drop.
Where did it go?
TruckoffFord
There are times when I am pulling heavy ( 18 to 20K+) pulling up a hill from a stop, and I can hear the engine working hard, then I later check the coolant level and it has drop.
Where did it go?
TruckoffFord
Laughing Gas
Joined: Nov 2014
Posts: 765
Likes: 5
From: Long Island, NY
The pressure in the cylinders is higher than the pressure in the cooling system so the pressure bleeds into the cooling system through the head gaskets and you get really high pressures in the cooling system. This causes the degas cap to vent the pressure and coolant "pukes" out.
You could also be burning the coolant and would get a sweet smelling exhaust.
Or you could have a leak that is spilling on some hot part under the hood and burning off as it drips.
You could also be burning the coolant and would get a sweet smelling exhaust.
Or you could have a leak that is spilling on some hot part under the hood and burning off as it drips.
Cargo Master
Joined: May 2006
Posts: 2,116
Likes: 6
From: Florida
My coolant level in degas bottle varies sometimes it is at min line, sometimes it is lower than it, I don't really give it too much thought, unless you see the white residue all over cap, or notice it is always empty, I would not troubleshoot it
Cargo Master
Joined: May 2006
Posts: 2,116
Likes: 6
From: Florida
Cold, sitting for a coule days, after driving it will get around min line, or a tad over, I used to mess with it, adding to make it to min line, but I noticed it would puke out of I over filled it, so I stopped messing with it, this is an aftermarket degas bottle, original was just nasty looking, so I think the sticker is too high
Cargo Master
Joined: May 2006
Posts: 2,116
Likes: 6
From: Florida
I haven't messed with the level in maybe 2 yrs
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Postmaster
Joined: Sep 2010
Posts: 3,472
Likes: 2
From: Southern Cal
When the engine is working hard and the head (s) unseat, where does the coolant go, in the oil, to the atmosphere or both?
There are times when I am pulling heavy ( 18 to 20K+) pulling up a hill from a stop, and I can hear the engine working hard, then I later check the coolant level and it has drop.
Where did it go?
TruckoffFord
There are times when I am pulling heavy ( 18 to 20K+) pulling up a hill from a stop, and I can hear the engine working hard, then I later check the coolant level and it has drop.
Where did it go?
TruckoffFord
Pull your egr valve to see if it's wet.
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Laughing Gas
Joined: Nov 2014
Posts: 765
Likes: 5
From: Long Island, NY
Maybe starting see a cracked egr due to insufficient coolant cooling and leaking back into your intake. If so, not a good thing for long as the crack will continue to grow and added coolant going into the intake will hydro lock the engine eventually.
Pull your egr valve to see if it's wet.
Pull your egr valve to see if it's wet.
Tuned
Joined: Oct 2015
Posts: 392
Likes: 86
From: Roebuck, SC
Maybe starting see a cracked egr due to insufficient coolant cooling and leaking back into your intake. If so, not a good thing for long as the crack will continue to grow and added coolant going into the intake will hydro lock the engine eventually.
Pull your egr valve to see if it's wet.
Pull your egr valve to see if it's wet.
Postmaster
Joined: Sep 2010
Posts: 3,472
Likes: 2
From: Southern Cal
I just replaced my egr cooler with an upgraded one. I was always having to add coolant and it wasn't dripping anywhere and there was none in the oil, so it had to be going somewhere. I pulled and checked the EGR valve and it was a gummy mess so the EGR cooler was leaking.
Tuned
Joined: Oct 2015
Posts: 392
Likes: 86
From: Roebuck, SC
I put an upgraded EGR cooler with the welded stainless pipes in it and a new, upgraded oil cooler.
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