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  1. aggiediesel01

    1994 7.3 going into 1990 F-350- wiring harness questions

    Do you have the alternator harness from the '94? If so, it's plug and play, completely remove the '91 alternator harness and regulator and plug in the '94 one. The connectors are different colors but the interlock tab matches with its receptacle on the other half. That harness will likely have a...
  2. aggiediesel01

    Aft-axle fuel tank access on 85

    The bed doesn't have to come off. Get some blocks and one man and a jack can lift and block/repeat until it's high enough to get at what you need.
  3. aggiediesel01

    AC Advise

    On filling with 134 cans, get a bucket of hot water and when the can is nearly empty set it in the hot water, that will drive nearly all of the last of the refrigerant out.
  4. aggiediesel01

    AC Advise

    The mechanical heater shutoff is helpful and cleaning the evaporator core will get you back lost air exchange volume in your large crew cab which will help everything be more efficient and keep up with the sun load better. About the only other thing to do is the larger condenser which will give...
  5. aggiediesel01

    6.9 motorhome giving new grief

    I guess I don't know for sure what the pre '87 vehicles had for indicators but '87 and on trucks had 2 fuel related lights, "Water in Fuel" and "Fuel Filter". The Fuel Filter light is connected to a pressure switch on the side of the filter header that grounds when the injection pump is sucking...
  6. aggiediesel01

    Psd fuel pressure tester gauge

    I don't know about the "correct" tester but most folks I've heard of including me replace the factory Schrader valve with this or one like it so you can use a normal fuel pressure test set. You can probably get this locally or from McMaster Car or Grainger or local hydraulic shop if you have the...
  7. aggiediesel01

    6.9 motorhome giving new grief

    Nothing wrong with the suggestions above but I'd start by taking that new fuel filter off and double check that it's not clogged up already. Seems from your early description that the truck sat for a while before you got it going again. Very likely that algae has taken hold in your tank and the...
  8. aggiediesel01

    Tech article question - e4od front pump

    You've got the ASTG Upgrade book and ASTG Rebuild book right? If not they're links on here to download them. Here is one of them and two posts down is the other one. https://www.oilburners.net/posts/1051198/
  9. aggiediesel01

    Aft-axle fuel tank access on 85

    If the removal of the tank is your end goal because it's leaking or known to be damaged in some way then lowering it just enough to reach what you need to on it's way out might be your easiest solution. If you have an unknown issue with the sending unit/pickup tube and it would be helpful to...
  10. aggiediesel01

    OBS Overheat!!!!

    Anyone consider bad injector cup seals yet? I don't have experience with this but other than a headgasket its the only place I can think of for coolant to be consumed. Edit, oh yeah two posts up. :Thumbs Up
  11. aggiediesel01

    Towing an OBS Ext Cab Short Box Gas 30 miles with CCLB Dually

    I would agree about going backward but I'm not sure how that TTB would behave or affect the front tires. Support for the geometry of the front end will be out and based on how I've seen my two TTBs behave just backing out of the driveway I'd be concerned about 30 miles. I'd be tempted to give it...
  12. aggiediesel01

    variable orifice tube ?

    edited b/c info wasn't really relevant.
  13. aggiediesel01

    variable orifice tube ?

    So that's 44oz x .85 =37.4oz That matches almost exactly with the factory 134 systems which was 38oz per ford spec w/ the slightly larger condenser. And if you use the oil replacement recommendations from the ford TSB, put 3oz in the compressor, 3oz in the evap, 1oz in the condenser, 2oz in...
  14. aggiediesel01

    Just started my 7.3* build

    here's another manual that will have good information in it for you. It's in the sub-forum at the top of this forum page. https://www.oilburners.net/posts/1054745/
  15. aggiediesel01

    variable orifice tube ?

    The only item significantly different on a '96 vs yours is the condenser. Your condenser may be ~10% smaller so maybe a smidge less oil kept in it.
  16. aggiediesel01

    Betsy the Worktruck

    LG/Y Wire is always hot and should have power on it if Fuse 7 is good. If Fuse 7 is good but doesn't have power then check the other fuses on that feed, fuses 4, 8, 5, Depending on the options in your truck, they come from either of two fusible links. For the BK/Pk wire, it comes from the...
  17. aggiediesel01

    Racor fuel filter separator

    Have you shimmed or replaced your regulator spring to get it up to 75psi first? Have you monitored your fuel pressure under heavy throttle with your max setting now? If you're not loosing pressure under heavy accel now then I'd wait until after the new injectors are in and you see that the...
  18. aggiediesel01

    Betsy the Worktruck

    Was your clean screw longer than the rusty one? You've taken the headliner out and by doing so you've reduced the overall thickness of the mounted assembly, is it possible now that the screws are bottoming out against your roof panel and shorting? As I recall, each of those wires is hot, one...
  19. aggiediesel01

    91 f350 2wd shifting issues.

    How long has it been since the trans fluid and filter were changed? Electrical sensors that give a variable input to the computer are the MLPS as mentioned earlier, the FIPL that's on the side of the injection pump, Tach Sensor on the inj pump gear cover, Speed signal from the sensor at the rear...
  20. aggiediesel01

    Project Truck - 89' F250

    The key for me has been low speed when using a steel wheel. I use a variable speed hand drill and put it in low speed and only go as fast as it takes to get it off. The 3m RolLoc products can be very helpful as well if you are sure to cover up the areas where removed bits could get into the oil...
  21. aggiediesel01

    What is it?

    Need a little more information about where exactly those cables come from and go to before deciding to connect something additional in that box. You described a bit of it in the first post but there's a few things left unsaid. If the single cable at the bottom of your picture is the one coming...
  22. aggiediesel01

    Using 2nd gear with E4OD while towing?

    Your trans is from BTS right? What does Brian say about what might have happened?
  23. aggiediesel01

    What is it?

    Shunt is exactly what that is, the slotted hole on the red wire is so you can calibrate the gauge reading against a calibrated reading on the incoming heavy wire.
  24. aggiediesel01

    Project Truck - 89' F250

    Since you're in this deep chasing oil leaks, are you planning to reseal the oil cooler while the heads are off? It's easy to get out now and seals are cheap. It's a known issue and if it isn't leaking now, it's likely to be one of the next things to start.
  25. aggiediesel01

    variable orifice tube ?

    The Service manual doesn't describe a total volume for oil in the system but describes how much to place in each component as they are replaced. Section 12-00: Climate Control System, Service 1996 F-150, F-250, F-350, F-Super Duty and Bronco, F-Super Duty Motorhome Chassis Workshop Manual...

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