coolant problem - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 03-26-2009, 02:43 PM Thread Starter
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Angry coolant problem

I have a 2002 f350 7.3 litre powerstrole diesel. The problem I am having is that the anti-freeze/coolant is building up too much pressure and blowing out the little weep hole right below the cap. The coolant has been flushed and correct amount has been put in. The consistancy when flushed was very bubbly almost like champagne. Any thoughts would be helpful. Suggestions/recalls?"
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post #2 of 14 Old 03-26-2009, 02:54 PM
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flush it, then do a half distilled water and half antifreeze mix.. this should bring it back down.. if you live where its gets pretty cold then put a 1/4 water amd 3/4 antifreeze.

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post #3 of 14 Old 03-26-2009, 05:56 PM Thread Starter
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We flushed it and put new in at only about 3/4 to allow for expansion, but it still built up so much pressure that its still blowing out. What might be causing it to built up that much, and have consistancy of champagne? We thought maybe something with the water pump.
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post #4 of 14 Old 03-26-2009, 06:12 PM
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I need help please! I'm having weird problems with my coolant. It's over flowing I replaced my T-stat, replaced cap , and now I'm told it has coolant or condensation of top of heads. The mechanic pulled the valve covers off and he said theres heavy condensation on top of the heads. Also, I saw water dripping out of dip stick tube and alot of steam coming out of oil fill when I pulled the oil fill cap. If there is any one that could help me I would greatly appreciate the help. Is it a head gasket thats sh#t to bed or possibly a cracked block?
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post #5 of 14 Old 03-26-2009, 06:22 PM
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I would say you both lost head gaskets. Excessive pressure in coolant, and coolant in oil.

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post #6 of 14 Old 03-26-2009, 07:19 PM Thread Starter
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Isn't a blown head gasket on this engine rare? Any thoughts at what type of money I'm looking at to fix if this the problem. I suppose I'm dreaming that there was a recall.
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post #7 of 14 Old 03-27-2009, 01:32 PM
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good luck with the gaskets... im not sure what the 7.3 would cost but i know that a 6.0 is gonna well over 1500 depending on the mechanic. i would make sure that is the problem before tearing the engine apart. btw if water is running over the heads your gonna have white smoke sometimes you have to get on it to see it and other times it will blow at idle.. if it wasa 6.0 i would say EGR is blown.

and that other guy with water in all those places... good luck man id say your gaskets are toast.

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BANKS 4" Turbo-Back w/ Power Elbow
Converted from 3/4 to 1TON
Napa 6637 DIY Intake
6.0 Trans. Cooler
Dipricol Gauges
Warn Hubs
TW 6 Pos.

And Some Other Boring Stuff

THANK GOD FOR YOUR BLESSINGS EVERYDAY
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post #8 of 14 Old 03-27-2009, 02:21 PM
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Quote:
Originally Posted by mercury3298 View Post
I need help please! I'm having weird problems with my coolant. It's over flowing I replaced my T-stat, replaced cap , and now I'm told it has coolant or condensation of top of heads. The mechanic pulled the valve covers off and he said theres heavy condensation on top of the heads. Also, I saw water dripping out of dip stick tube and alot of steam coming out of oil fill when I pulled the oil fill cap. If there is any one that could help me I would greatly appreciate the help. Is it a head gasket thats sh#t to bed or possibly a cracked block?
Check your oil. Does it look like chocolate milk? oil in the coolant bottle? Thats the oil cooler. The oil cooler on the 7.3 will fail before the head gaskets will.

I am sure that the 7.3 will pressurize the coolant bottle if the head gaskets are bad, but I dont know the specs on how it does it.



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post #9 of 14 Old 03-28-2009, 11:43 AM Thread Starter
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7.3 litre

Can anyone tell me the majoe signs of a blown head gasket? I knowI do not have coolant in my oil, but my oil level is down, and coolant level way up even when cold
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post #10 of 14 Old 03-28-2009, 11:49 AM
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yeah that does sound like a head gasket, your symptoms would be reduced compression on one or more cylinders, possible leakage of oil into coolant, coolant into oil, your also gonna be noticing somewhat of a power drop as well. try to find someone who can run a cylinder leakdown test on your truck. not the hardest thing to do, and it will usually give you a very accurate guess as to what your problem is before you start tearing into the engine. with a 7.3 head gaskets aren't the worst thing in the world, wheras if your getting it done on a 6.0 your garunteed at least 2 hours of shop rate just to pull the cab for the procedure. i've never had to have mine done on my 7.3 but i've done headgaskets before. good fun times!! good luck to the both of you!!
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