New Explorer or Older Model
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Mountain Pass
Joined: Sep 2004
Posts: 249
Likes: 2
From: AZ
New Explorer or Older Model
We have owned 2 explorers, 1991 and 95' with the old reliable 4.0 OHV engine and 5 speed stick. Debating to go with a 02 -04' model with the 4.0 newer style motor and auto tranny of course. I just want to know if the camshaft and jackshaft tensioner problems are resolved by Ford in these later model engines, and if anyone has over 200,00 miles on this newer motor. I know the older OHV motors would go 2 - 300,000k miles with proper maintenance. Will be looking for a 1 owner 4x4 XLT model. Thanks for any advise and comments.
Senior User
Joined: Oct 2009
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If I were you, I would look for a '99-01 model. Mine is a '99 and it is reliable. I too have heard about the OHV going to 250-300,000 miles. I used to have a '92 Explorer Sport that had 198,000 on it. The engine was still good. It was the wiring that was crap. Plus, I think the older models are built stronger.
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Mountain Pass
Joined: Sep 2004
Posts: 249
Likes: 2
From: AZ
I might go with an older model if I can find one with low miles. I would still like to know if there is anyone out there with 200,000 miles on and 02' or later Explorer with the 4.0 V6 engine; If I knew they would hold up for the long haul I will get the later model. Thanks, and Merry Christmas to ALL.
Senior User
Joined: Jun 2002
Posts: 330
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From: Chandler,Arizona - USA
I have a 2002 with the 4.0 SOHC and the automatic trans. The transmissions in these model are junk. I replaced mine at 52,000 miles. The engine is fine. I would not buy the 2002-2004 models. Search this forum and you'll see a lot of info on the transmission problems that these models are having.
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Post Fiend
Joined: Nov 2008
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From: McKenzie River
I agree, the older generation Explorers may have their faults, but they seem to be very strongly built. Our 96 4.0 limited has 130,000 on it and runs like new, even all the electronics/air ride suspension, etc. still function as new. I have heard lots of horror stories about 02-04 transmissions, even more than the older generations.
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Postmaster
Joined: Oct 2009
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I agree to a point, I would go for a late '98-'01 because it has the 5R55e unlike the older ones. It does have an issue that causes trans failure later on, but it can be fixed cheaply before it breaks and the trans becomes bulletproof. Has to do with a solenoid bushing that wears in the bore. Replace the bushing with an upgraded one, and change the fluid every 30,000 and you are set.
Postmaster
Joined: Oct 2009
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Yes they do. As far as I know all the newer explorers use a variation on the 5R55. It is a good trans, but they do all share that same weakness. The aftermarket has developed the fix for the problem. It is inexpensive to fix this issue while it is in its infancy. If it is allowed to progress, the pressure loss from fluid leaking past causes poor engagement and excessive heat as well as accelerated wear. This makes repairing the damage that can result from a simple leak very expensive. If the solenoid is fixed before it fails, you can extend the life of the transmission by up to an additional 200,000 miles.
Zombie Survivalist
Joined: Feb 2009
Posts: 14,809
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From: Rock Springs, WY, USA
the tranny was changed in mine around 140 or 150,000. never had a fluid change or anything as far as maintenance till it started slipping really bad. took it down and the shop asked us how we even got there. bout 80,000 on the "new" one, and it runs fine.
Senior User
Joined: Oct 2009
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Go for the 4.0 OHV models (XL, XLS, XLT). The SOHC version is known for its problems.
One thing about any 4.0 is that the O2 sensors go out around 60k. Once that happens, you will notice a decrease in fuel mileage. Does anyone know exactly where the O2 sensor is located on a 4.0? Also, is it easy to replace?
I hope this helps you as much as well as any others looking for an inexpensive, reliable vehicle.
One thing about any 4.0 is that the O2 sensors go out around 60k. Once that happens, you will notice a decrease in fuel mileage. Does anyone know exactly where the O2 sensor is located on a 4.0? Also, is it easy to replace?
I hope this helps you as much as well as any others looking for an inexpensive, reliable vehicle.
Senior User
Joined: Oct 2009
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That's why I was asking, I don't know where it is located.
I would assume it would be a Motorcraft replacement O2 sensor that will last another 60k.
I don't think it would be an expensive part considering how small they are, I just don't know exactly where it's located - before the catalytic converter or after it. (I know they're located on the exhaust somewhere).
If anyone knows, please tell us where it is! That way we can all be getting better gas mileage (those of us w/ 4.0s over 60k).
I would assume it would be a Motorcraft replacement O2 sensor that will last another 60k.
I don't think it would be an expensive part considering how small they are, I just don't know exactly where it's located - before the catalytic converter or after it. (I know they're located on the exhaust somewhere).
If anyone knows, please tell us where it is! That way we can all be getting better gas mileage (those of us w/ 4.0s over 60k).