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#1
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Hydrolock mystery continues........
Just heard from the boatyard.
The manifold is apparently *not* the culprit responsible for allowing water to enter cylinder #1. They tested the manifold up to 250 degrees and a certain level of pressure (number I forgot) and found it to be sound. Hmm. Head? Head gasket? The boat was running *perfectly*, so that would seem unlikely. Will keep the group posted, on the off chance that somebody may be able to learn from my misfortune. http://www.eff.org/Privacy/Surveilla...0011031_eff_us a_patriot_analysis.php |
#2
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Hydrolock mystery continues........
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#3
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Hydrolock mystery continues........
The manifold is apparently *not* the culprit responsible for allowing
water to enter cylinder #1. They tested the manifold up to 250 degrees and a certain level of pressure (number I forgot) and found it to be sound. What type of engine? Cavitation maybe? |
#4
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Hydrolock mystery continues........
What type of engine? Cavitation maybe?
6 cylinder Perkins diesel inboard. |
#5
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Hydrolock mystery continues........
What type of engine? Cavitation maybe?
6 cylinder Perkins diesel inboard. Ouch, kinda sounds like it could be cavitation, it happened to my diesel truck. It was running fine but loosing coolant and I couldn't find a leak. Then it hydrolocked, coolant was leaking through the cylinder walls. A few links to check out, must are about trucks, but I assume it could happen to boats too: http://www.freeautoadvice.com/diesel/cav.html http://www.thedieselstop.com/content...ion%20Analysis http://www.thedieselstop.com/content...on%20Diagnosis |
#6
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Hydrolock mystery continues........
Roland Rabien wrote:
What type of engine? Cavitation maybe? 6 cylinder Perkins diesel inboard. Ouch, kinda sounds like it could be cavitation, it happened to my diesel truck. It was running fine but loosing coolant and I couldn't find a leak. Then it hydrolocked, coolant was leaking through the cylinder walls. A few links to check out, must are about trucks, but I assume it could happen to boats too: http://www.freeautoadvice.com/diesel/cav.html http://www.thedieselstop.com/content...ion%20Analysis http://www.thedieselstop.com/content...on%20Diagnosis All the above Chuck but also, suspect a leaky injector, they can drip fuel, even more so if you had full tanks for your trip. Please tell us the outcome of the post Perkum. K |
#7
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Hydrolock mystery continues........
All the above Chuck but also, suspect a leaky injector, they can drip
fuel, even more so if you had full tanks for your trip. Please tell us the outcome of the post Perkum. OK, I'm stumped. How would a leaky injector, (dripping fuel) fill #1 cylinder with water? If an injector had been leaking fuel into a cylinder, it would not have cuased this failure, (unless there's a factor I'm failing to consider). The engine locked on water, not fuel.....important point is that it ran for 15-20 seconds after start up, and it would not have done that if a cylinder was completely filled with fuel. |
#8
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Hydrolock mystery continues........
Ouch, kinda sounds like it could be cavitation, it happened to my diesel
truck. It was running fine but loosing coolant and I couldn't find a leak. Then it hydrolocked, coolant was leaking through the cylinder walls. A few links to check out, must are It will be interesting to see if that could be the cause, but it wouldn't seem likely. My cooling system has been routinely serviced, including the very recent replacement of a heat exchanger. The engine was running *cooler* with the new heat exchanger, so It would be hard to suspect heat related damage. The engine has not been using coolant. |
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