4.0 | Ford Explorer - Ford Ranger Forums - Serious Explorations

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  1. B

    2006 4.0 Anyone use Ultra Power or SKP timing kit?

    New here, but not new to Fords and wrenching on them. My son has an '06 Eddie Bauer with the 4.0. 174K miles. He bought it with a brand new transmission in it, and the motor seemingly ran well. After a while, he said it was rattling a lot. Doh. (Didn't listen to me when he bought it about...
  2. Mitchs07explorer

    Should I rebuild the timing???

    I’m not sure what to do with my Explorer because of the timing chain rattle at startup. It’s an 07 4.0 advance trac, I just passed 160,000 miles and the start up rattle is progressively getting worse. It takes longer to go away especially on a cold day. The rest of the engine seems to be in good...
  3. S

    Tire size

    Hey guys, im just throwing this out there for anyone to take. I recently took my ex either a 3 inch lift with stock tires out off-roading to do a flex test to see what size tire I can fit. I was looking at 285/70r17s but now I think I might go back to 265s or even 255s. Down the line I do want a...
  4. B

    97 expo mid travel

    I'm new to this forum. I'm from so cal and have a 97 expo with a ton of work, mods. Hrs, love etc. Into it. Started with camburg edge a arms and spindles. King 3.0 remote reservoir, sway away bump stops, limiting straps up front. On the Rear I swapped to 410 hearing for 33s. Deavers leafs and...
  5. S

    What shops will do a timing cassette replacement on 4.0 SOHC?

    Hey! Wondering it anybody knows of a good shop that will replace the timing cassettes on a 4.0 sohc in the Northwest; Washington, Oregon, Montana area? Mine is due for it soon and I just got done swapping in a rebuilt 5r55s ( yes i know, i should have pulled the motor too and just done it. Not...
  6. S

    5r55s from a 2007 compatible in the 2008 model year?

    Im swapping a rebuilt 5r55s from a 2007 explorer limited trim 4x4 with the 4.0 into my dd 2008 explorer xlt trim 4x4 with the 4.0 as well. Curious if im gonna running into any compatibility issues when i go to swap them, particularly with the ecm/tcm? Will the 2007 5r55s plug and play with the...
  7. G

    Hello everyone just joined new owner of the exploer 93 4.0 4x4 awd family. I could use a step by step on removing tranny A4LD

    Hello everyone so I could really use some help on removing a transmission for a 1993 ford explorer 4x4 4.0 automatic. My uncle had try putting in the solenoids pack in and said he did it at night and he thinks he put it in wrong or upside down or something like that I'm not sure but he's not...
  8. M

    Coolant pipe behind alternator

    I have a 2006 mercury mountaineer, 4.0. I am in the process of replacing the heater control valve and noticed the coolant line that runs behind the alternator and to the thermostat is very rusty/ needs replacing. I can't find the same part in a parts diagram or on rockauto etc. Has anyone...
  9. W

    2000 Ford Explorer XLT 4.0 SOHC

    Thanks for welcoming me to the group! This site has been very helpful to me over the years! I currently have a few questions I need some answers for.. First off I’m needing torque specifications on everything I’m listing below and any tips to go along with it will be greatly appreciated! Thanks...
  10. A

    Rebuilt 4.0 SOHC - Bad Oil Pressure

    I recently pulled my 4.0 motor and completely redid all of the chains and guides. I even put in a new water pump and oil pump. Finally got it all together and back in the truck. Everything seems great, except I am now having an oil pressure issue…. Now I understand the gauge is largely...
  11. S

    96 4.0 low fuel pressure can't find cause

    I have a 96 explorer sport 4.0 will not idle correctly at all, at idle in neutral it will start choking for a few seconds like it's running out of fuel then it will pick up and idle smoothly for a few seconds before starting to choke up again like a constant cycle of nearly dying then being...
  12. N

    1994 4.0 explorer ecu tune

    Hi everyone, I’m new to the forum and I need some help looking for a good tune for my 4.0. I’m trying to get some easy horsepower out of my 94 explorer. I already have a bigger throttle body and cold air intake. Anyone know a good place where I can get a tune to get some hidden horsepower...
  13. 9

    Camshaft syncroniser to crankshaft (harmonic balancer rotation) Please Help

    Can anyone tell me how many times the camshaft syncroniser rotates for every revolution of crankshaft harmonic balancer? If I'm not mistaken is it 2 times? This would be on a 4.0 V6 OHV (NON-SOHC) I feel stupid. I rebuilt this 97 ranger engine and the timing chain was set at 6 and 12...
  14. G

    New intake / cat-back exhaust worth it?

    Hey guys! I have a 2006 v6 4.0. I have been doing some digging around the forum to see what people's thoughts around a new intake and cat-back exhaust for the v6 are, but it seems like there are a lot of mixed feelings out there. Has anyone had a good experience with this modification or seen...
  15. E

    91 explorer dies intermittently

    Still can’t figure out my 91 explorer. It will idle about 5 minutes then die. I can go drive it and it dies intermittently then fires right back up on side of road. It has codes 87 and 95. I did hook a fuel pressure gauge to it and it does not lose fuel pressure when it dies. Things I have...
  16. J

    oxygen sensor question.

    2000 explorer 4.0 ohv manual transmission 5 speed My explorer has a total of 3 oxygen sensors 2 upstream one downstream after the cat. The downstream sensor was hitting my exhaust and burned/cut a wire from the sensor. My question is should I solder heatshrink it? Or should I just replace. Also...
  17. C

    98 4.0 x-vin ohv exhaust help

    Have a question working on a project with 2 1998 Ford explorer 4.0 V6. One is OHV (x-vin) 4x4 automatic xl, engine runs great but body is full of rust and is being put aside for future project. I picked up another 1998 4.0 v6 4x4 xlt from South Carolina. It didn't have an engine but it is set...
  18. A

    95 limited 4.0 PUSHROD swap with99 SOHC

    1st off, I apologize if this is posted previous. I am losing my vision and have hard times at times trying to read. So I have a 95 limited 4.0 PUSHROD. For almost the last year it has pretty much run like crap. I have changed many things and with vision loss also comes the frustration of not...
  19. F

    96 4.0 explorer 4wd lights blinking several times and windows not working

    these two problems occur at the same time. If I turn my key over and I see the 4wd lights flashing. I can assume my windows won’t roll up or down. Tried researching online. Nothing. YouTube. Nothing. Has anyone dealt with this? I have reason to believe my car is stuck in 4wd lo but I am going to...
  20. D

    Intermittent Starting - 2003 Ford Ranger XLT Fx4 4.0

    I'll start here. I replaced the fuel pump today, 7/3/19. Now and then my truck would not start for no apparent reason. I would start it and it would die only to not start again. Sometimes in gear sometimes not. It acted like it was flooded then would sound like no gas at all. I'd check all the...
  21. A

    Motor Swap Questions

    Hello fellas (and ladies if you are on here) my 04 Explorer with the 4.0 8th digit K spun a bearing. I guess my question is could I swap it out with an 04 4.0 motor with the 8th digit E. I have hard a finding a forum with answers I am seeking, I'm sure it out there so if anyone could help me out...
  22. I

    Rpm fluctuation/drop then surge.

    so recently after hitting 200,000 on my 07 EX 4.0. my transmission between 3-4th gear rpms will stay the same,@2000 then drop,1800 then spike up to 3000 then shift into 4th gear, it doesn't do it all the time, and i can drive slow or be "nice to the transmission" it will still lag but not...
  23. C

    4.0 sohc swap to 4.0 ohv

    I just purchased a 98 explorer xlt sans engine, Stock it had the 4.0 sohc. I have a 98 xl with 4.0 ohv. My ohv is still running strong but the NY salt ate her body all to hell. The sohc is from South Carolina and is rust free. I want to put my ohv in it. Here is my conundrum, when it comes...
  24. D

    AC elimination Belt Size?

    Looking to bypass Ac compressor on 2010 Explorer 4.0 engine. Cannot find a bypass pulley kit so looking at just using shorter belt. Anyone have any idea of the size needed or exact belt number to use?
  25. R

    New one from Kazakhstan

    Hey guys, I am one of those people on the planet who own Explorer. I have 2007 4.0 Explorer with 4wd Limited. I am very far from all of you :(, on another continent. More than 20 hours of flight. :confused: Would be glad to meet everyone.:D