Installed the pan and oil pump supply tube, with O ring on the protruding sump line, last night. Put oil in and put about 16oz in, through the oil pump to soak gears. The supply tube was kind of a bear to install and to me it didn’t quite square up and tighten down evenly. So, new oil pump, used supply tube and the new updated replacement clamps(no plastic) in the pan holding the sump tube. I’m not sure what little discrepancy is making it not quite line up. I did reuse my old flanges that were on my old supply tube. Any ideas?
N14 oil pump sump line not sealing at the pan
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mile marker 27, Jan 25, 2025.
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Last edited: Jan 27, 2025
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Don't put any of the bolts in at the oil pump and then tighten the bolts at the pan evenly and then index the flange/gasket to bolt up to the pump.
mile marker 27 Thanks this. -
I’ll try it. I think the tube protruding into the pump is touching the cast side of the pump inlet not allowing the flared end of the tube, at the pan to sit flush.
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