Question about Dodge Ram B250

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I have a 1990 Dodge 3/4 ton 4x4 pickup. I am replacing the fuel injector pump. I labeled all of the lines and wrote down which one went in each spot. I wrote it all down on paper, and my son threw it away. I need to know which lines go where. Can you help??

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  • frogjaw Apr 24, 2010

    What is the firing order in this vehicle??

  • frogjaw Apr 24, 2010

    I need to know how to distinguish the lines that go to the back of the injector pump......

  • frogjaw Apr 24, 2010

    5.9 Turbo Diesel

  • frogjaw Apr 24, 2010

    The dieel engine only has 6 cylinders

  • frogjaw Apr 24, 2010

    I need a skematic of the lines that go into the back of the injector pump. The engine is a 5.9L Diesel.

  • frogjaw Apr 24, 2010

    I need the lines on the back of the injector pump. There are 6 of them

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  • Master
  • 1,796 Answers

Hi!!

Don't worry, it happens to all of us : )

Click on the link below to get a diagrams of the different fuel systems for your type of vehicle, the one that would come right up is the one with the electric fuel pump in the fuel tank. if it is not the one you need, choose on the list to the left to select the one in your vehicle.

http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?chapterTitle=Fuel+Tank&partName=Diesel+Injection+Pump&pageId=0900c152800711b0&partId=0900c15280071105

In case you need further assistance, just post a comment, I'll be here for the next hour.

Good luck buddy!

Posted on Apr 24, 2010

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  • Master
  • 1,297 Answers

Good question, but don't worry I don't think you can mix them up.

Each line should be a little different and once you get the tank up you will see right where the lines go because they are all form fitting and molded so what they are at rest will align right where they need to go

I tried to find something in my service manual with a picture to copy to no avail but basically...
you have one high pressure fuel supply line, one low pressure fuel return line, one vapor line that leads to the charcoal canister and then two fuel filer lines

let me know if I can be of any further assistance

Posted on Apr 24, 2010

  • 1 more comment 
  • Sean Reisdorf
    Sean Reisdorf Apr 24, 2010

    which engine do you have?



  • Sean Reisdorf
    Sean Reisdorf Apr 24, 2010

    hope this helps...



  • Sean Reisdorf
    Sean Reisdorf Apr 25, 2010

    alright...sorry about that I had a little brain fart
    I forgot the 1990 Dodge pick-up with the diesel option was the W-series
    so here is a repeat of everything we talked about for YOUR vehicle...


    is the best picture I could find of the pump and filter

    BTW... since your vehicle is a diesel there is no "firing order"
    instead there is a very specific procedure for timing of the fuel pump....



    CAUTION:Special washer must be located under lock bolt prior to rotating engine to allow fuel injection pump to rotate. If special washer is not installed, loosen lock bolt and install special washer. Tighten lock bolt to 10 ft. lbs. (14 N.m).

    Ensure special washer is located under lock bolt. Rotate engine clockwise until No. 1 cylinder piston is at TDC. Engage timing pin. Engine can be rotated by removing dust cover from transmission adapter plate and installing Engine Barring Tool (3904682) in adapter plate.
    Remove plug from end of fuel injection pump. Install timing indicator in end of pump. It may be necessary to remove some high-pressure fuel lines for timing indicator installation.

    Disengage timing pin. Rotate engine in opposite direction of rotation until dial indicator stops moving. Adjust dial indicator to zero (0). Rotate engine in direction of rotation to TDC of No. 1 cylinder while counting the number of revolutions of dial indicator. Ensure timing pin engages. This reading is the plunger lift.


    Plunger lift should be 1.4 mm. If not to specification, loosen mounting nuts and rotate fuel injection pump on mounting studs to obtain correct plunger lift. Tighten mounting nuts to 18 ft. lbs. (24 N.m). If new or replacement fuel injection pump is installed, place timing mark on fuel injection pump flange to align with timing mark on gear housing.
    Remove timing indicator and install plug. Tighten plug to 90 INCH lbs. (10 N.m). Ensure timing pin is disengaged. Bleed fuel lines. See FUEL LINE BLEEDING.

    WARNING:DO NOT bleed fuel lines on a hot engine as high exhaust temperatures could cause a fire. Use care when bleeding fuel lines, as fuel is under extreme pressure and could penetrate the skin causing personal injury.




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