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Aloha All: I believe I may have a blown head gasket on the old ’58. I’ve done this repair on cars before, but never a diesel. Any pointers or suggestions from anyone who has done this?
Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu
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Start of attached email. Subject: Re: Replace W58 Blown Head Gasket
What makes you believe you have a blown head gasket?
Alan
UnabatedSent from my iPhone
On Feb 6, 2015, at 6:04 PM, dan.kalinowski— via maillist wrote:
Aloha All: I believe I may have a blown head gasket on the old ’58. I’ve done this repair on cars before, but never a diesel. Any pointers or suggestions from anyone who has done this?
Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu
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Might as well get the injectors rebuilt while you’re at it. If you’re
having head work done make sure it’s by a reliable diesel shop.That’s all I can offer, except have fun!
Bob
On Fri, Feb 6, 2015 at 6:04 PM, dan.kalinowski— via maillist <
> wrote:Aloha All: I believe I may have a blown head gasket on the old ’58. I’ve
done this repair on cars before, but never a diesel. Any pointers or
suggestions from anyone who has done this?Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu
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Bob Fine
s/v Pelican
Pearson 424 Hull #8
http://thesailinglife.blogspot.com
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There’s that question, too.
On Fri, Feb 6, 2015 at 6:50 PM, aphil138— via maillist <
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Re: Replace W58 Blown Head Gasket
Author:
The old ’58 began to overheat after about 15 minutes of running. Â I noticed bubbles coming up through the overflow line to the overflow reservoir. Â I read about this “champaign effect” on line and purchased a test kit that detects hydrocarbons in coolant. Â Yes, the liquid turned the dreaded color that indicates exhaust gasses in the cooling system. Â This is why I believe I have the blown head gasket. Â Note that there is no “milky look” on the oil dipsick.
Pulling the head seems to be a straightforward task. Â I think my biggest worry is breaking off a head bolt that hasn’t left home since 1980.
Anyone attempt this project? Â Any other thoughts/pointers?
Thanks
Â
Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu
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For removing the head bolts, use a penetrant (and the exhaust manifold
bolts are probably more likely to break). Then use an impact wrench. If
pneumatic, at very lowest pressure. If electric, carefully. Switch
directions every couple of whacks. If a bolt breaks, you’ll need a machine
shop to deal with it. You should probably have the head inspected anyway.How many hours on the engine?
Bob
On Fri, Feb 6, 2015 at 7:23 PM, dan.kalinowski— via maillist <
> wrote:Re: Replace W58 Blown Head Gasket
Author:
The old ’58 began to overheat after about 15 minutes of running. I
noticed bubbles coming up through the overflow line to the overflow
reservoir. I read about this “champaign effect” on line and purchased a
test kit that detects hydrocarbons in coolant. Yes, the liquid turned the
dreaded color that indicates exhaust gasses in the cooling system. This is
why I believe I have the blown head gasket. Note that there is no “milky
look” on the oil dipsick.Pulling the head seems to be a straightforward task. I think my biggest
worry is breaking off a head bolt that hasn’t left home since 1980.Anyone attempt this project? Any other thoughts/pointers?
Thanks
Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu
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Bob Fine
s/v Pelican
Pearson 424 Hull #8
http://thesailinglife.blogspot.com
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Start of attached email. Subject: Re: Replace W58 Blown Head Gasket
Probably just state the obvious.
make sure you got all your gaskets before you start the job because some of them are hard to get and can’t be gotten from one source.
Hansen Marine in Marblehead is my go to place.
AlanSent from my iPhone
On Feb 6, 2015, at 6:04 PM, dan.kalinowski— via maillist wrote:
Aloha All: I believe I may have a blown head gasket on the old ’58. I’ve done this repair on cars before, but never a diesel. Any pointers or suggestions from anyone who has done this?
Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu
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Re: Replace W58 Blown Head Gasket
Author:
Aloha Bob and Alan. Â
Bob: Â No idea how many hours are on the old “58. Â From cryptic records from the initial owner, he had the engine rebuilt in the late 90’s. Â Yes, lots of penetrent are on the shopping list! Â Thanks for the tip on the injectors.
Alan: Â Thanks for the gasket source. Â No pulling it apart until I know I can put it back together again!
Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu
Â
Â
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I’m new to the W58, but could the problem be in the extruded exhaust manifold? My weak understanding is that coolant flows through the extruded exhaust manifold, cooling the exhaust gasses. Perhaps if the exhaust gas is getting to the coolant due to corrosion in a chamber, or whatever, it might result in the positive test result you got. Would also explain why no water in the lubricating oil, and no oil in the coolant. If I’m wrong on my understanding of the system, I hope someone will set me straight!
David
Blue Moon #189 -
Start of attached email. Subject: Re: Replace W58 Blown Head Gasket
There’s a pressure gauge that you can borrow or buy. it has a radiator cap like fitting on it you can pump up the overflow tank and see if it holds pressure. If it doesn’t hold pressure it’s leaking someplace.
AlanSent from my iPhone
On Feb 9, 2015, at 3:07 PM, typhoontye via maillist wrote:
I’m new to the W58, but could the problem be in the extruded exhaust manifold? My weak understanding is that coolant flows through the extruded exhaust manifold, cooling the exhaust gasses. Perhaps if the exhaust gas is getting to the coolant due to corrosion in a chamber, or whatever, it might result in the positive test result you got. Would also explain why no water in the lubricating oil, and no oil in the coolant. If I’m wrong on my understanding of the system, I hope someone will set me straight!
David
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Start of attached email. Subject: Re: Replace W58 Blown Head Gasket
Not for nothing you can have that engine out of there in less than four hours.
Take it to a reputable diesel repair shop. somebody that does over the road trucks.
Stay away from marine dealers and Marine mechanics.
AlanSent from my iPhone
On Feb 10, 2015, at 3:01 PM, quent via maillist wrote:
I think Alan and David make good points. Exhaust all other possibilities before pulling the head. Also maybe do a compression test to see if one or more cylinder is low.
If you pull the head, get a valve job and check for cracks and flatness.
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Re: Replace W58 Blown Head Gasket
Author:
David: Â Thanks for the alternative thinking. Â If exhaust gas is entering the fresh water cooling system there, would the resulting bubbles stop coolant circulation? Â The result would be the inevitable overheating after 15-18 minutes (no load).
Â
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Alan, you are on the right track. A standard compression check may not reveal the problem though.
You should do a leak-down test on each cylinder. This may better determine if you have a failed head gasket and give you a good idea where to look for it when you remove the head.
The head should be dropped off at a machine shop to have it decked. Overheating can cause it to change shape.Alan (Unabated), thanks for your glowing enthusiasm shared towards all those in the marine trades industry.
Chuck
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