Switching from the Paccar nightmare to the X15 Cummins to get something completed and rebuild my patience on the Paccar.
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https://www.youtube.com/watch?v=NjV7bm7rfhU
Checked power and grounds to ECM, installed good batteries, and pulled transmission and removed rear timing cove and checked timing.
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https://www.youtube.com/watch?v=Xfmh2IvRhcg
After testing the system for fuel in coolant and not finding a leak, we attributed the fuel in water to a antifreeze jug that had red diesel in it in the cab, so now we are going back together.
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https://www.youtube.com/watch?v=S-MQkk68Ye8