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  1. Vincent Vega

    04 5.4 won't switch into 3rd gear

    @Hondobud excellent advice. Also @Chefkris if you remove the accumulator to replace it, check to make sure the bore isn't scratched. Consider installing the upgrade kit from Sonnax if that appears to be the problem. Although a transmission shop is capable of testing and diagnosing whether it is...
  2. Vincent Vega

    Will 33s fit without mods?

    I put 33s on my 04 a few years ago with no lift, and the factory wheels. No rubbing. Since then I lifted the front 2 inches (Bilstein 5100) and the rear 1.5 inches (steel spacer lift and Bilstein 4600 shocks). Wtih those suspension upgrades and after replacing all the tie rods, its way better on...
  3. Vincent Vega

    New from Eastern WA

    Welcome @cpaul511. I am originally from Richland, just a few miles from you. Not too often I run into fellow 509ers! Nice rig you have there.
  4. Vincent Vega

    Circuit breaker 401 remaining warm while looking for parasitic drain.

    @whtbronco Thanks, this is interesting. Does this diagram indicate that the parasitic can be narrowed down to either the window switch or the roof opening, or am I being too simplistic (as usual)? It might be possible that if the Accessory Delay is providing constant power when it should be, 401...
  5. Vincent Vega

    Another Timing Job Question -2003 5.4L 2V

    Been a few years since I did the timing on mine, but to answer some of your questions, I did not need to use a special tool to replace the front main seal. And yes, definitely worth replacing all lash adjusters and rocker arms while the heads are off. It is alot more difficult to replace the...
  6. Vincent Vega

    Fuel Pump electrical Issues

    Is the relay failing each time you replace it? If so, it may be that the pump still works but is drawing excessive amperage because it is in the process of failing. Thats what happened with mine and Usually that is the case in 03-04s, although it theoretically could also be short between the...
  7. Vincent Vega

    high mileage for current job

    The the 03s and 04s are an excellent value and good for exactly what you are using it for. I have 165k on my 04, which is the same thing as the 03. Very reliable with a few weakpoints such as the intake manifold (coolant and/or vacuum leaks), fuel pump, and fuel pump solenoid. Mine drives like a...
  8. Vincent Vega

    Is it time??

    @Tonka I would replace the engine vs a timing job due to the amount of miles you have on it, and swapping an engine is not much more work than a timing job on these. A new engine done by a good mechanic will cost $8-10k. I would do it myself, for around $5k for the engine and other parts I would...
  9. Vincent Vega

    Chasing P0171 and P0175 Simultaneously

    Good find. EGRs will develop leaks like that. Did it fix the misfire?
  10. Vincent Vega

    Chasing P0171 and P0175 Simultaneously

    Interesting problem. This is a new one for me. I would check for vacuum leaks using a smoke machine. Lots of 20 year old trucks have developed leaks in the vac lines, elbows, etc. In addition, These engines like to warp the intake manifolds. you can try squirting water on the seam between the...
  11. Vincent Vega

    03 Expy 5.4 Rough idle & other symptoms

    Agree with @whtbronco, check the stuff he mentioned, starting with the spark plugs - they will tell you a lot. Usually misfires on Gen 2s are caused by bad coils, then people replace them with low quality aftermarket coils, which can be bad right out of the box. One way to double check that is...
  12. Vincent Vega

    Crank but no start

    Sounds like a fuel pump or fuel pump relay. In my case on my 04, it was both. Check fuel pressure and the relay. alot of times the relay can be diagnosed visually - they get corroded and will stop working. I would also check the evap purge valve. Lots of info on youtube regarding how to check...
  13. Vincent Vega

    Engine noise

    @Lenny I pulled the PS pump without removing the pulley and I will never make that mistake again. Took me about 2 hours to remove (and then install) those bolts because the pulley was in the way. Another tip: remove the two heater hoses to enable the RH valve cover to come out easier (replace...
  14. Vincent Vega

    Engine noise

    On the 5.4s, noises like that are usually from timing or roller followers. This isn't a 3-valve 5.4, so you won't have to deal with cam phasers. Pretty rare for rod knock on these, usually they just burn lots of oil and lose power as they get old.
  15. Vincent Vega

    Differential Fluid

    Just swap it out. Your rear diff should have a drain plug, making the job much easier. Just drain and fill. For the front, which does not have a drain plug, you will need to suck it out. Get an air-powered vacuum (often used for bleeding brakes) (Harbor Freight or Amazon has em for like $30) and...
  16. Vincent Vega

    Radiator or transmission line?

    @Hamfisted are you still having good times with that Duralast radiator? Whats the update on that. Now that my timing tensioners, intake, and fuel pump and relay have gone south, radiator is probably next. Thanks
  17. Vincent Vega

    2-4inch upper control arms 2nd gen

    @thajoker joker. I spent alot of time looking for UCAs. I have a 2.5 inch lift, which is great but I kept lifting wheels off the ground while offroading, caused by lack of extension travel because the factory UCAs would hit the coil spring. The lift made it worse. Wheels off the ground have no...
  18. Vincent Vega

    Another fuse box replacement ....

    Just to close the loop, I found that the relay was smoked. It was partially melted and there were burn marks on the panel. I could have replaced the bad relay but I decided to replace the entire panel. I decided it was worth the extra cost because I can't have it pooping out with my daughter...
  19. Vincent Vega

    Rattling & Scraping noise Driver side when slight turn to right.

    In addition to the IWE, check the wheel bearings, too. They will make a grinding noise primarily when turning. Regarding the IWE, it could be the IWE itself or the vacuum lines to it. I had a similar problem as you are describing, and it ended up being a vacuum check valve leaking. It was...
  20. Vincent Vega

    Another fuse box replacement ....

    @Hamfisted Yes I was on the original fuel pump until recently(160k miles), probably what jacked the relay. It was intermittently stalling. Would restart minutes later. I measured fuel pressure at around 30 psi, which is weak. It barely made it into the garage. After swapping the fuel pump...
  21. Vincent Vega

    Another fuse box replacement ....

    @Hamfisted, as you predicted, my relay cashed it in yesterday. I have a pair of Standard Motor Products RY612 relays on hand. They are 20A. Have you heard anything bad or good about them. I am aware you have said good things about Panasonic and Omron...
  22. Vincent Vega

    Rack & Pinion Play in Steering

    @Eightiesrock80 I checked the Ford shop manual and did not see anything regarding backlash adjustments to the rack. It only describes removal and installation, and doesn't show any adjustment screws or similar. Did you make sure its not your inner tie rod that is the problem? The rack and pinion...
  23. Vincent Vega

    Bilstein 5100 strut and 4600 shock install finally

    @Delux7 Nice work. I have been running the exact same setup for about 2 years. Made a night and day difference. Rides amazing on and offroad. I am running 33 inch tires, but probably have enough room for 35s (if I wanted to change the gearing). I rebuilt the steering, too, so it drives like a...
  24. Vincent Vega

    Replacing DISCARD NUTS on front upper arm

    parts.ford.com is Ford's official spot for parts. It has parts diagrams so you can figure this out. Free shipping, too. I ordered a water pump yesterday at 10am and I just got an email saying its at my doorstep. Or like others have said, use thread lock. If you order from Ford, get a few extra...
  25. Vincent Vega

    Engine hesitating

    Could be lots of things, but you might be describing a misfire. On these Expeditions those are most often caused by bad spark plugs or coils, a bad vacuum leak, or the Variable Cam Timing system as others above said. Lesser chance it is a fuel related problem or transmission related, but not...

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