2004 6.0 excessive white smoke, and coolant loss in exhaust - Ford Powerstroke Diesel Forum

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post #1 of 30 Old 12-02-2008, 07:11 PM Thread Starter
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2004 6.0 excessive white smoke, and coolant loss in exhaust

Please help.... I am new to this site, and applaud all my fellow powerstroke owners. Your time and insight are appreciated. My 04 F350 recently started pushing white smoke and coolant loss thru exhaust. I am only losing a small amount of coolant. There is no puking thru the bottle, and my oil appears to be clean. I had minor choking a few times in the neighborhood. I took the EGR valve out, it was a little carboned up, but was not wet with coolant. WAs thinking it was an EGR cooler, and was leaning towards buying a bypass kit, and moving on. How do I know if this is the problem. My truck has 145k, miles, and the only other issue I had was the intercoler hose was blowing off at the turbo, months ago. The truck is bone stock. Please help.....
Thanks in advance
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post #2 of 30 Old 12-02-2008, 07:17 PM
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I would have to second the EGR cooler. Try parking on a decline with the front of the truck pointing down and then pull the egr valve to see if there any coolant in there. I would go ahead and do the delete anyway if I was you. Nothing stopping you since you're out of warranty and you won't ever have to worry about it again

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post #3 of 30 Old 12-02-2008, 07:20 PM
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EGR cooler. With the miles I would do an Oil cooler too.
post #4 of 30 Old 12-02-2008, 07:20 PM Thread Starter
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When I do an EGR delete to I need to do anything to the oil cooler? DO I assume it is good, or should I check it? And how can you check them?
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post #5 of 30 Old 12-02-2008, 07:22 PM
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When I do an EGR delete to I need to do anything to the oil cooler? DO I assume it is good, or should I check it? And how can you check them?
Theres about a 97% chance your oil cooler is what caused the egr cooler to go out at that mileage. Put an oil cooler in it to.
post #6 of 30 Old 12-02-2008, 07:22 PM
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I agree with 67modstang but, I am a true believer in the coolant pressure tester (about a hundred bones for a snap on) and especially if you are or wanting to be a dyi kinda guy. Id pressurize the system overnight and check to see how much pressure you loose and then you can go ahead and inspect your intake for signs of coolant.

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post #7 of 30 Old 12-02-2008, 07:23 PM
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White smoke ..... surprised your EGR valve is not wet. When cleaning your EGR valve ...Does the plunger snap back closed and tight? Any power loss? Still reading turbo boost?
May want to do a pressure test to rule out blown head gaskets. I'm also favored for deleting EGR cooler and welding valve shut.

Hopefully a tech will chime in

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post #8 of 30 Old 12-02-2008, 07:23 PM
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I second the oil cooler idea.

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post #9 of 30 Old 12-02-2008, 07:24 PM Thread Starter
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Are there any disadvantages with not replacing the EGR cooler, and bypassing it? Also which bypass kit should I buy, or use a homemade solution? Thanks for your help.
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post #10 of 30 Old 12-02-2008, 07:27 PM
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Coolers fail pretty often. Could also wash out your oil cooler

Lloyd Vice Director of Virginia Strokers
2006 F350 6.0L SuperDuty Lariat 4x4
Magnaflow 4" S.S. Turbo Back, Lost Cat, 5" S.S. Tip
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Fumoto oil Drain Valve
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BFG 37"x12.5"x18" Load "D" All Terrains
ARP Head Studs
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'03 Turbo Swap


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