N14 new oil pump priming instructions

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mile marker 27, Jan 21, 2025.

  1. mile marker 27

    mile marker 27 Road Train Member

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    I installed a new oil pump in the N14 and was wondering how to prime it?
     
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  3. xsetra

    xsetra Road Train Member

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    Did a quick online search using this phrase.
    "N14 oil pump needs priming procedure"

    It shows information you want.
     
  4. dosgatos

    dosgatos Medium Load Member

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    as before: register your engine serial number in Cummins Quick Serve. all the parts are there. all the procedures are there.

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  5. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    Easy way is prime it before you install it….. by pushing a 1/2 a tube of assembly lube inside around the gears.

    I have a small pump I hook into the oil galley right above the starter, pump a few gallons of oil in it and it should pick up fine when the engine starts….

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  6. mile marker 27

    mile marker 27 Road Train Member

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    I’ve already got the pump installed and although lubed, not lubed to that extent. I’ll look for a plug on a galley, in that area on mine. Don’t have a pump like yours though.
     
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  7. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    Trying to remember, but thinking there’s a plug you can just put oil in on the front side of the engine. I’ll double check my Cummins book after while when I go to the shop….
     
  8. mile marker 27

    mile marker 27 Road Train Member

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    Please do, I appreciate it.
     
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  9. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    There’s all the info the Cummins manual gives.

    Did you put any oil inside the pump where the gears are….?

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  10. mile marker 27

    mile marker 27 Road Train Member

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    Thank you. Not a significant amount. Can I add oil through the temp sensor port?
     
  11. mile marker 27

    mile marker 27 Road Train Member

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    I’ve got my old pump took apart and I’ll examine it to see if oil supplied through that port will soak the gears. I don’t have the transfer tube from the pan to pump, on yet so I might be able to put a plastic plug in the sump inlet, before I apply more oil to it.
     
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