N14 new oil pump priming instructions (2025)

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mile marker 27, Jan 21, 2025 at 5:28 PM.

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  1. Jan 22, 2025 at 11:15 AM#11

    OLDSKOOLERnWVCaptain Redbeard

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    Well, if you don’t have that suction tube on, get a tube of lube and squirt a bunch up in it by the gears, bump the engine a few times to rotate the gears pulling the lube in between them and you should be fine. Should pull the oil up and start pumping no problem. It’ll take a few seconds for the gauge to move so don’t get to excited…

    N14 new oil pump priming instructions (2)

    OLDSKOOLERnWV,Jan 22, 2025 at 11:15 AM

    OLDSKOOLERnWV,Jan 22, 2025 at 11:15 AM

    #11

    mile marker 27 Thanks this.

  2. N14 new oil pump priming instructions (3)

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  3. Jan 22, 2025 at 11:52 AM#12

    OLDSKOOLERnWVCaptain Redbeard

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    Walked in the shop again and seen this old pump, it dawned on me…. Pull that plug out and pour you some oil down in it slowly and you should be off to the races. That goes right in to the gears…

    N14 new oil pump priming instructions (5)

    OLDSKOOLERnWV,Jan 22, 2025 at 11:52 AM

    OLDSKOOLERnWV,Jan 22, 2025 at 11:52 AM

    #12

    mile marker 27 Thanks this.

  4. Jan 22, 2025 at 11:53 AM#13

    OLDSKOOLERnWVCaptain Redbeard

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    Same plug, actually a quick connect for checking pressure etc….

    N14 new oil pump priming instructions (7)

    OLDSKOOLERnWV,Jan 22, 2025 at 11:53 AM

    OLDSKOOLERnWV,Jan 22, 2025 at 11:53 AM

    #13

    mile marker 27 Thanks this.

  5. Jan 22, 2025 at 12:07 PM#14

    mile marker 27Road Train Member

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    That’s the sensor I mentioned about pulling and adding oil too. I haven’t put my pan on yet as I’m waiting on a good used transfer tube, to be shipped to me. All that will go together, this weekend. I still like the idea of purging the system will clean oil with a pump but I realize most will think it, unnecessary.

    mile marker 27,Jan 22, 2025 at 12:07 PM

    mile marker 27,Jan 22, 2025 at 12:07 PM

    #14

    OLDSKOOLERnWV Thanks this.

  6. Jan 22, 2025 at 12:25 PM#15

    OLDSKOOLERnWVCaptain Redbeard

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    I have an oil pressure gauge under the hood on my firewall. If my engine is ever apart I add oil with the 12 volt pump and pressurize the whole system before starting the engine. Just something I do, not that it’s required, but I know where the oil is and isn’t.

    When I pulled this Jeep engine apart after setting for 28 years, there was still oil on the bottom rod and main bearings. Many say that if a engine sets for a year there’s no oil at all in the bearings. That has not been my experience 100% of the time….

    N14 new oil pump priming instructions (10)N14 new oil pump priming instructions (11)N14 new oil pump priming instructions (12)N14 new oil pump priming instructions (13)

    OLDSKOOLERnWV,Jan 22, 2025 at 12:25 PM

    OLDSKOOLERnWV,Jan 22, 2025 at 12:25 PM

    #15

    Flint1 and mile marker 27 Thank this.

  7. Jan 22, 2025 at 1:04 PM#16

    mile marker 27Road Train Member

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    304 in a CJ5?

    mile marker 27,Jan 22, 2025 at 1:04 PM

    mile marker 27,Jan 22, 2025 at 1:04 PM

    #16

    OLDSKOOLERnWV Thanks this.

  8. Jan 22, 2025 at 1:21 PM#17

    OLDSKOOLERnWVCaptain Redbeard

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    Yes Sir. Had 29,460 miles on it when her dad parked it in 1987. It’s a 77 model.

    Originally a 1977 CJ5 Renegade Levi’s edition, blue on blue. I have the blue Levi seats, dash, sun visors in the shop. The 3 spd was locked up from setting and rain going down around the shifter, so I bought a used T18 Borg Warner 4 spd out of a 78 CJ5. Worked on it from 2017 till august 2024. Got some little things to tidy up, but it’s running and driving….

    N14 new oil pump priming instructions (16)N14 new oil pump priming instructions (17)N14 new oil pump priming instructions (18)N14 new oil pump priming instructions (19)N14 new oil pump priming instructions (20)N14 new oil pump priming instructions (21)

    OLDSKOOLERnWV,Jan 22, 2025 at 1:21 PM

    OLDSKOOLERnWV,Jan 22, 2025 at 1:21 PM

    #17

    Flint1 and mile marker 27 Thank this.

  9. Jan 22, 2025 at 5:19 PM#18

    mile marker 27Road Train Member

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    In your big cam, are you running conventional or synthetic oil.

    mile marker 27,Jan 22, 2025 at 5:19 PM

    mile marker 27,Jan 22, 2025 at 5:19 PM

    #18

    OLDSKOOLERnWV Thanks this.

  10. Jan 22, 2025 at 6:10 PM#19

    OLDSKOOLERnWVCaptain Redbeard

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    Conventional. Rotella 15W-40. And Fleetguard filters.

    OLDSKOOLERnWV,Jan 22, 2025 at 6:10 PM

    OLDSKOOLERnWV,Jan 22, 2025 at 6:10 PM

    #19

    mile marker 27 Thanks this.

  • N14 new oil pump priming instructions (24)

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    N14 new oil pump priming instructions (2025)

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