Houdini coolant
Thread Starter
|
More Turbo
Joined: Aug 2011
Posts: 717
Likes: 1
From: Independence, Mo
Houdini coolant
I have coolant that just vanishes no external leaks no rising oil level no smoke and I even pressure tested it and it will hold all night anyone else have this issue?
Thread Starter
|
More Turbo
Joined: Aug 2011
Posts: 717
Likes: 1
From: Independence, Mo
My over flow tank is what I think might be the problem. The thermal expansion of ethylene glycol is .00035 per degree over the temp you filled it at. My over flow is 1/2 gallon if I last filled it was 50 degrees out side then at 192 degrees it would expand 1/2 gallon. That leaves no room for my math to f up lol. So say you filled it when it was 20 degrees the overflow would loose all it had in it and also some out of the radiator. Then when it cooled off it would try to suck what it pushed out back and it will empty the reservoir and start sucking air. I have no idea what the factory one even looks like I replaced mine with the same thing the po had in there but with the size of the space it holds over 1.5 gallons anyone know where I could get a factory tank parts stores and online had proved pointless so far
Postmaster
Joined: Dec 2011
Posts: 3,860
Likes: 7
My over flow tank is what I think might be the problem. The thermal expansion of ethylene glycol is .00035 per degree over the temp you filled it at. My over flow is 1/2 gallon if I last filled it was 50 degrees out side then at 192 degrees it would expand 1/2 gallon. That leaves no room for my math to f up lol. So say you filled it when it was 20 degrees the overflow would loose all it had in it and also some out of the radiator. Then when it cooled off it would try to suck what it pushed out back and it will empty the reservoir and start sucking air. I have no idea what the factory one even looks like I replaced mine with the same thing the po had in there but with the size of the space it holds over 1.5 gallons anyone know where I could get a factory tank parts stores and online had proved pointless so far
Or build one yourself - I'd think a couple 4" abs caps and a piece of 4" ABS pipe between. 1' tall = 1 gallon of capacity. Plumb a fill/air hole and a tube that goes to the bottom for the overflow, and you'd be good.
Logistics Pro
Joined: Sep 2007
Posts: 3,737
Likes: 179
From: Western Mass
I got an overflow tank from ebay, was pretty cheap. The one in my '93 had a crack in the bottom.
That truck also has a small leak, I can smell the antifreeze when I park it and get out. I do need to check/replace the hoses sometime, as one clamp was already loose. However, I think its leaking from the cap. I replaced it with a new one, but it looks like the radiator filler has a small dent where the cap seals, not sure what to do about it... ?
That truck also has a small leak, I can smell the antifreeze when I park it and get out. I do need to check/replace the hoses sometime, as one clamp was already loose. However, I think its leaking from the cap. I replaced it with a new one, but it looks like the radiator filler has a small dent where the cap seals, not sure what to do about it... ?
Laughing Gas
Joined: Aug 2003
Posts: 919
Likes: 4
From: Newberg Oregon
My dually is doing this exact thing, turns out its the tstat hsg gasket on mine, only leaks at specific times and never saw any stain till the road trip to Santa clara.
Just another option.
Bad caps, coolant bottles so on will do this. If I let it find its own level with no bottle it is down 1-1.5 inches in rad. FYI
Just another option.
Bad caps, coolant bottles so on will do this. If I let it find its own level with no bottle it is down 1-1.5 inches in rad. FYI
Trending Topics
Thread Starter
|
More Turbo
Joined: Aug 2011
Posts: 717
Likes: 1
From: Independence, Mo
I am pretty sure my cap is good it holds pressure and it sucks the bottle empty I am trying to find an overflow bottle to support my theory now I made a nice tank this weekend out of 3/32 plate I had it measured 9Lx6wx7t it fit great until I went to close the mfn hood the spring hit it so had to remove it pissed me off I haven't tried since but I need to
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Thread
Thread Starter
Forum
Replies
Last Post
dasoundman
1968-Present E-Series Van/Cutaway/Chassis
4
Mar 9, 2014 03:53 PM
RangerHaywood
1973 - 1979 F-100 & Larger F-Series Trucks
9
Jul 22, 2010 12:47 AM
aa777888
1999 - 2003 7.3L Power Stroke Diesel
6
Apr 10, 2005 01:45 PM
olebrownford
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
16
Feb 16, 2004 11:59 PM