Compression Ignition Addict
Join Date: Jul 2008
Location: Minneapolis, MN
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Puking Antifreeze - EGR or Head Gaskets?
I've got an '03 6.0 with a Banks 6-gun. Heading out West to go sledding, towing a 24' tailer with 2 sleds going up a fairly steep grade - probably around 7500' altitude (maybe pulling a little harder than I should have) I heard a loud POP from under the hood (it wasn't the bag of potato chips - which also exploded). Anyway, I immediately started losing power but I was cresting the top of the hill and as I came down, I regained power and all seemed fine.
Since then, I've had issues with losing coolant (puking out of the overflow). I've been able to drive it (nicely) without losing coolant but even though I keep the overflow full to the proper level, I'm losing heat in the cab also. This happens after the truck has been warmed up for 10 minutes (I'm in MN) and then has been driven for a few miles. It's blowing hot air when I get in it but after driving a little way and letting off the gas (at a stoplight) it'll start blowing cold air. Even after getting on the freeway - if I let off the gas it'll blow cold. This continues until the truck has been running for say around 25 - 30 minutes and then seems to subside.
My question is this: Is this and EGR issue or a headgasket issue? (or both?). What's the best way to figure out what it is? I've got a buddy (someone brighter than me) who's going to help me do an EGR delete this weekend. I'd love to replace the head gaskets and put in ARP studs but obviously, that's a bit of work and I don't have a lot of time before we're supposed to head out West again.
Any thoughts would be much appreciated. Thanks!