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  1. water pump?? | Cummins Diesel Forum

    Jan 3, 2025 · The water pump on both 5.9 and 6.7 Cummins is extremely robust and when they fail it is mostly from a catastrophic failure of the bearings after the bearing seals fail and if the owner is not …

  2. Lift pump issue | Cummins Diesel Forum

    Jul 20, 2025 · Look for any pinched, frayed, or disconnected wires, especially those tied into the lift pump circuit. A common issue is a wire getting tugged loose or chafed during the starter removal.

  3. ABS pump and module!!!!!! | Cummins Diesel Forum

    Nov 8, 2024 · When replacing the abs pump or abs module on a 3rd gen cummins (2004 2wd) Does it have to be programmed and does it matter if the new rebuilt abs pump or abs module is from a 4WD …

  4. Lift pump test | Cummins Diesel Forum

    Jan 22, 2019 · How do you test a faulty lift pump? Getting the P0087 code and have tried FRP and new filter. Didn’t know if I could install a gauge to read while driving and parked. Truck shudders going up …

  5. Fuel filter before the lift pump | Cummins Diesel Forum

    Jun 27, 2022 · The way they have to be setup is a large particle pre-filter (to catch the sticks and birds), before the lift pump (such a filter doesn't create much of a pressure drop), then the fine filter (20 …

  6. Testing the injection pump | Cummins Diesel Forum

    Jan 13, 2019 · What’s the best way to test the VE injection pump to verify fuel pressure output to the injectors?? I’m going through the entire fuel system started with the tank & working my way forward …

  7. Vacuum pump, rebuild or replace?? | Cummins Diesel Forum

    Jun 1, 2021 · Figuring to re-use my PS pump as it seemed pretty fresh but having questions about the vacuum pump, I bought the Cummins rebuild "kit" for the latter which turned out to just be an end …

  8. air dog lift pump | Cummins Diesel Forum

    Mar 7, 2010 · Just had a air dog lift pump installed and the shop did not put in the indicator light when I turn the key on the pump stays running all the time should it do this or ...

  9. 2004 vacuum pump and service manual | Cummins Diesel Forum

    Feb 6, 2015 · The vacuum pump runs the cruise control. U will see the black plastic vacuum line coming off the pump and going across the upper firewall. In the middle of the firewall there is a line going …

  10. Power Steering Pump Upgrade ? | Cummins Diesel Forum

    Feb 20, 2014 · Anyone know if you can use the new ZF pump and keep the old reservoir and pulley of the original snap ring pump? Every post I see about the pump upgrade, people are buying new …