Coolant from Exhaust
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Elder User
Joined: Oct 2005
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Coolant from Exhaust
Hello all,
96 F250 351W ~ 178,000 miles
My step dad was driving and said he noticed he had some smoke coming from the exhaust. Shortly after, it started running hot.
The next day, I went out and started it up. MASSIVE amounts of coolant are shooting out the exhaust - 2 seconds with your hand against the tail pipe results in a wet hand. I could probably put a collector on the tail pipe and route the coolant back to the radiator overflow... But then again, I don't want to look like an idiot!
Haha.
I haven't had a chance to do a compression test but I'm assuming the head gasket is shot. I think I'm going to tackle changing out the head gaskets this weekend, assuming my diagnosis is correct. Engine itself seems to be running quite amazingly. Thoughts?
Should I do anything else while I'm in there? I'd love to pull the engine and rebuild it but I would really like to get this thing back on the road by the end of next weekend.
Thanks in advance,
Chris
96 F250 351W ~ 178,000 miles
My step dad was driving and said he noticed he had some smoke coming from the exhaust. Shortly after, it started running hot.
The next day, I went out and started it up. MASSIVE amounts of coolant are shooting out the exhaust - 2 seconds with your hand against the tail pipe results in a wet hand. I could probably put a collector on the tail pipe and route the coolant back to the radiator overflow... But then again, I don't want to look like an idiot!
Haha.I haven't had a chance to do a compression test but I'm assuming the head gasket is shot. I think I'm going to tackle changing out the head gaskets this weekend, assuming my diagnosis is correct. Engine itself seems to be running quite amazingly. Thoughts?
Should I do anything else while I'm in there? I'd love to pull the engine and rebuild it but I would really like to get this thing back on the road by the end of next weekend.
Thanks in advance,
Chris
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Elder User
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I'm hoping just head gasket, but then again who wouldn't. I feel/hope strongly that this is the case as it runs great still, somehow. Idle and rev sounds strong, no misses, stutters, etc. If I find there are more issues than just the head gasket, I am thinking about pulling the whole thing and swapping or rebuilding. I'd hate to slap new heads on and find the bottom end blows out 5k miles down the road.
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
Likes: 21
From: Caracas, Venezuela
If you're sure the gasket has failed why you keep running the engine? you will damage the engine beyond repair (actually will require a rebuild).
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I started it to diagnosis the problem before I knew what was wrong with it. I later started it once more to show my brother/talk it over with him. It is not being driven and wasn't ran for an extended period of time besides my initial diagnosis , which was done while parked. I guess my previous post was a bit misleading, possibly suggesting that it was still being driven. If someone were crazy enough to drive it, it wouldn't get far as it's spewing coolant entirely too quickly.
Side note, has anyone done a write-up on this process? If not, I'm thinking about taking pictures of the process and posting it all on here for future do-it-yourself people.
Side note, has anyone done a write-up on this process? If not, I'm thinking about taking pictures of the process and posting it all on here for future do-it-yourself people.
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New User
Joined: May 2011
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Please do!! i got some head gaskets i need to replace too.
Postmaster
Joined: Aug 2005
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From: Cleveland, TN
VERY good advice!!!!!!!
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