Diagnosing 7.3 Power Stroke Diesel getting coolant / water in the oil and in 1 cylinder.
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- Опубліковано 3 гру 2021
- The most common cause of coolant in the oil of a 1999-2003 is pin holes in the front cover, caused by cavitation from the water pump. That is NOT the case with this engine!
That's rare to happen...got an o1 f2shity 7.tree 680k all original Michigan truck plowed every winter of its life works construction everyday...still purrs like a kitten
Great video with helpful info 👍 thank you 🙏✨ hope to see more 7.3 diesel videos 🌞 🚛 👏
Thank You, I hope to be posting more soon!
How much air did you put in it? I have a 97 with water in the oil and it also occasionally seems to hydro lock. My buddy and I did this test after watching this but we didn’t come up with any air in the cylinders. We used a snapon coolant system tester, we had it up to 20psi which seemed like a lot, still no air. We are going to check for a pin hole behind the water pump now.
It isn't clear in the video if that was an early 99, but the sealant they used for the injector cups was not compatible with ELC coolant and if the owner did not keep up with testing and adding SCA's they were prone to pinholes from cavitation. 99.5 - 2003 had the upgraded cup sealant and ELC coolant could be used. I did a video on finding coolant in my oil on an e99 but I was not as lucky as you: I found a crack between cylinder's 1 and 3. When I put shop air to the coolant system, you could hear the air leaking inside the engine.
If I put shop air in the cylinder, through the glow plug hole, you can hear it in the engine when the piston is at the top of the stroke. But it wasn't loud enough for the camera to pick it up in the video.
I was NOT aware that the injector cups were different in the early 99s. Thank You for that information!
@@opasgarage4423 I replaced the cups in one of my 7.3's and bought ELC coolant for it. I holed a piston before putting it in. On my rebuild project, I had the machine shop replace the cups so I could run the ELC in it when it's done. I don't want to run the risk of pinholes from cavitation if I don't keep up with the coolant SCA's.
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How did you determine the problem was no. 8 cylinder?
Looks alot better
I thought so too. Thanks for the suggestion.
@opasgarage4423 did you fix it?
was # 8 piston decarbonized?