I'm about to swap out my torque converter on my 03 5.4 4x4 4r70w and was hoping someone could point me in the direction of a good walk through. I just don't want to be taking apart more than is needed. I would really appreciate the help. Thanks!
Hey guys im about to to do a motor rebuild because of low compression at the rings. The transmission on this truck has been doing some kind of rubbing/grinding sound when shifting from OD to a lower gear, like when im on the interstate and it needs a bit more power to go up a hill or pass...
Hello all. I am looking for some experienced input. I am going to rebuild my 5.4 in my 03 Expy. I need some help finding good prices on an engine kit (gaskets bearings etc.) I found one on Autozones site but i was hoping to try to find a cheaper option. Also their kit includes pistons. I...
I tried posting this a few months back and no 1 has any ideas so I am going to try again. I have a 2003 ford expedition XLT 5.4. Over the course of the last year I have been experiencing some power issues. I noticed the power issue the most when I am pulling a load. It's hard to properly...
I have been having power issues on my expy for a while now and I think I have narrowed it down to the o2 sensor by using a obd2 software. One of the sensors is staying around .62v. Anyway I need to try to replace it. However its the on on the passenger side on the manifold. HOW THE HELL DO U...
Hello all, i have been noticing that my truck has started to loose power at lower RPM's (1000-2000). Sometimes i will take off from a dead stop and just will have no power. Then it gets up to about 1800 rpm or so and starts to act normal. But it does not do this all the time.
Now about 6...
I have an 03 Expy XLT 5.4L and i currently have a K&N CAI and Flowmaster Cat back exhaust. Im wanting to be able to tune it for MPG and Towing. I called Superchips and they say that they dont have a tune for the expy 5.4 with CAI and free flow exhaust. However i spoke with a guy at a shop...
Hello all, i am looking to increase HP and MPG without increasing sound too much. I dont mind a very little bit of sound increase but i dont want it to be to loud, this is used to be a comfort vehical and i do not want it to have a loud exhaust noise. I kinda wanted a mangna flow but its too...
I have an 03 Expy XLT 5.4L 4x4. I am trying to change the Evap vent valve, i have found where the thing is but i dont see how to change it. Under the truck above the spare tire. You have to lower the spare tire and then above that you can see it on the drivers side, the problem is that its...
I need the Gear that drives the brake petle, i tried getting it from the dealer but they want 180 bucks for the entire petle assy. I just need the plastic gear, mine has been damaged.
After i was messing with the Electric foot petle motor the cruise control just stopped working, it wont do anything at all. I looked down there and tried to see if i maybe unplugged something but i dont see any possiblities. Can anyone help me out here. Is there a wire down there i can check on?
Ok so i have an 03 Ford Expedition XLT 5.4 L. I want to get that road data module installed and working. It did not come with it on this truck. And just in case i am calling it the wrong name, the thing i want to install is the buttons to the right of the wheel that gives data like MPG...
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