4.0

I have a 99 4.0 ranger with a bad engine, I pulled the engine out of a 96 and cannot get the cam synchro from the 99 to seat right on the 96 engine it sits about an 1/8 of an inch too high and help would be appreciated

I have a 1992 Ford Ranger XLT 4.0 manual 4 x 4. When I first bought the truck, I noticed that it would throw a code for a moment and misfire and then go away as I did maintenance on it. It would just disappear however it did not after a month or so of owning the truck the misfire got worse and...

I'm swapping in a 4.0 OHV into my '97 Ranger from a 2.3 and I would like to know if I can use some SOHC headers for it as they are more attainable. Any help is appreciated! Any Questions? Ask away!

Looking to rebuild my a4ld and want to make it as strong as possible. Been hunting through threads on here but almost all the links are 10+ years old and dead. Hoping to find someone with build sheets or a site that offers a full kit here in 2024.

Been having pinging, sputters, and loss of power accelerating once the engine gets to temp. Idle is around 800rpm, steady, and a little too quiet? Replaced fuel filter, fuel pump, oil, oil filter, and ran some seafoam and higer octane gas through the tank with no changes Things got better...

What kind of transmission is in my automatic ‘96 Mazda b4000? And what vehicles carry the same one? I need a swap as reverse has gone out in the original.

I have a slightly modified 1992 4.0, bigger throttle body, injectors and MAF housing. I had the original setup working before it came out and went into the Bronco 2, so i used all my original parts. ECT sensor reads in range, as does TPS. Out of the 3 MAF's i have, my 5.0 MAF responds best to...

So it is a 4.0l 2003. Leak is about 1 drop every second while running and coming from the passenger side. I got the Pittsburgh pressure leak tester and it worked about as good as anything else from my boys over at Harbor Freight which is to say the cap wouldn't fit because of a defect. Knowing...

Howdy rangers. I'm doing the dreaded overdrive sprag replacement on my 2002 automagic 4.0 4x4. (It broke a week after purchase, no warranty. Fork me.) I've removed the exhaust (including the stupid y pipe and O2 sensors), drive shafts (front and back), transfer case, and I'm a few steps away...

Howdy there, I am trying to figure out the bolt sizes for my Ranger. It's a 1997 4.0 Manual transmission. The M50D-R1. I'd like to replace the bolts while I got the trans out.

Currently trying to engine swap a 2000 4.0 ohv from a 5 speed into a 1996 with the 5r44e, the flexplate, trans bolts, and threads in the engine don’t match up. Has anyone encountered this before and is there a way around it like some sort of adapter, probably should have researched a little more...

I’m looking to tcase swap my 1991 manual 4.0, with the electric shift 4x4 (manual hubs thank god). My electric shift really hated the cold snaps this winter, and as a result of using it my 4hi no longer works, and my 4lo has become 4hi. Honestly, I don’t really want to diag as I still can use my...

I have a 2006 Ford Ranger XLT 4.0 manual Just driving down the road I lost power to any gear i tried and the truck wouldnt go over 20, also in a sort of limp mode chugging back and forth. I limped it to a part store and towed it home. I have 0 check engine lights, replaced the fuel pump...

Sorry guys I'm not too sure where to post this. I woke up yesterday morning and someone had drilled a hole in my gas tank. It's a 2003 Ranger XLT with the 4.0 L and it's 4wd. For the life of me I can't figure out which gas tank I need to order. I know I can just drop the tank and compare it to...

Im rebuilding a 4.0 OHV and can't find any cam gear bolts or a new crank bolt for the engine. Do you guys know where I can find them? Rockauto, ebay, amazon Iv'e tried. If not, then red loctite on the cam bolts and blue on the top of the crank bolt(near the bolthead)? I tighten the crank...

My 1996 4.0L OHV has a slight fuel smell after adding gas. I can smell the gas from the cabin with the windows closed. I currently do not have a CEL on. What are some common areas to check for a fuel leak. My fuel lid is tightened down good (maybe its old and not working?) How dangerous is the...

Hey everyone, I just have a quick question. I found this broken piece when I was removing the valve covers as part of the process of replacing the lower intake manifold. I'm not sure what it is. I found it where one of the oil drains is for the cylinder head closest to the drivers side. I don't...

I'm looking to do a full rebuild of my 2000 Mazda B4000s transmission, it's got the 4.0L, 4WD, M5ODR1 trans, the case is spotless, but the guts are trashed, I know the bell housings are different for different engines, but can I take the internals from another M5ODR1 of a different engine and...

My son’s 2002 4.0 dohc ranger develops a nasty timing chain issue today. I found a motor out of a 2001 ranger with 105,000 miles for $1300 bucks. That’s cheaper than replacing the timing chains. my sons truck is an automatic and this motor came out of a manual truck. Is there any surprises I...

certain 4.0’s in the junkyard, specifically 1990 and 1991, have a MAP sensor (and the MAF sensor) and a plug for it on the wiring harness. in every picture i see of a 4.0 with the MAP the vacuum line to the sensor is not even hooked up and has a small white piece on it. furthermore, i took the...