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2004 Explorer XLT - transcooler?

rob2218

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City, State
soon to be.....L.A.!
Year, Model & Trim Level
Ford Explorer XLT - 2004
so...I'm taking a long...long trip to southern California.
will be towing a pop-up Coachman 2000 camper.
I have an XLT 2004. I do not believe it has any "towing package".
Truck is in good shape.
But...I'm told I 'should' add a transmission cooler and upgraded trans line to the truck.

Now for those that have towed a pop-up styled camper...this thing weighs in around 1500#, has very little to low drag and is being pulled.....so...I need all the advice I can get.

Now...I'm know this being a "Ford Explorer" forum I'm sure yawl will jump in and say..."absolutely add a transcooler" but...I'd like some honest, experiential advise if you have done this before..the towing of small pop-up camper on a Ford Explorer.

I mean...I had a 1995 Ford Explorer-manual tranny I towed a 240SX "on" a trailer from FL to DC.....and it was fine. the 240SX was a heavy sports care...round 3K pounds...so let me know what yawl opine.

ALL opinions welcome.
 



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so...I'm taking a long...long trip to southern California.
will be towing a pop-up Coachman 2000 camper.
I have an XLT 2004. I do not believe it has any "towing package".
Truck is in good shape.
But...I'm told I 'should' add a transmission cooler and upgraded trans line to the truck.

Now for those that have towed a pop-up styled camper...this thing weighs in around 1500#, has very little to low drag and is being pulled.....so...I need all the advice I can get.

Now...I'm know this being a "Ford Explorer" forum I'm sure yawl will jump in and say..."absolutely add a transcooler" but...I'd like some honest, experiential advise if you have done this before..the towing of small pop-up camper on a Ford Explorer.

I mean...I had a 1995 Ford Explorer-manual tranny I towed a 240SX "on" a trailer from FL to DC.....and it was fine. the 240SX was a heavy sports care...round 3K pounds...so let me know what yawl opine.

ALL opinions welcome.

The manual states that without the tow package (you DONT have the tow package is you have the smaller class 2 1.25 inch hitch) you can tow up to 3500 pounds.

That being said I wouldn't think twice about towing 2500lbs or so without a cooler long distance. If I were towing 3500 longer distance I probably would add a cooler just because these transmissions aren't known to be the best ones in the world.

That's just my. 02 cents. Just so you know this is coming from the perspective of a non tow package owner that put a full size hitch and trans cooler on their explorer to tow... For whatever that is worth
 






thanks for your response.
did you notice anything "different" once you put the transcooler package?
what was needed?
I understand from my mechanic that I need the actual transcooler and the transline.
So...with that said, what's the process?
I'm going to take a chance here and assume that the transmission would need to be cooled/run off the cooling system off the radiator? does taht affect radiator performance? what should I be cautious about when adding a transcooler and the transline?
is the line an upgrade or simply "adding another line"?
Where do they mount the cooler unit?
Ive called Ford and they tell me the unit costs roughly $380 from Ford. it is a "ford unit" and that I'd have to include or buy 1 transline.

What all that means in specifics is what I'm looking for.
advise here on...............

The manual states that without the tow package (you DONT have the tow package is you have the smaller class 2 1.25 inch hitch) you can tow up to 3500 pounds.

That being said I wouldn't think twice about towing 2500lbs or so without a cooler long distance. If I were towing 3500 longer distance I probably would add a cooler just because these transmissions aren't known to be the best ones in the world.

That's just my. 02 cents. Just so you know this is coming from the perspective of a non tow package owner that put a full size hitch and trans cooler on their explorer to tow... For whatever that is worth
 






If you have a smart phone, you can buy an app that will monitor the trans temp. Called "Torque". Works very well. I won't tow without something keeping me informed of the trans temp.

I would still install the cooler though. These transmissions are much more fragile than the one in the 2nd gen Explorers.
 






thanks for your response.
did you notice anything "different" once you put the transcooler package?
what was needed?
I understand from my mechanic that I need the actual transcooler and the transline.
So...with that said, what's the process?
I'm going to take a chance here and assume that the transmission would need to be cooled/run off the cooling system off the radiator? does taht affect radiator performance? what should I be cautious about when adding a transcooler and the transline?
is the line an upgrade or simply "adding another line"?
Where do they mount the cooler unit?
Ive called Ford and they tell me the unit costs roughly $380 from Ford. it is a "ford unit" and that I'd have to include or buy 1 transline.

What all that means in specifics is what I'm looking for.
advise here on...............

Yea..I don't to dealer prices lol.

I bought a transmission cooler (this one is about 3x as big as you need but since you can't really overcool a transmission I bought it..)
http://www.amazon.com/gp/product/B000C3BBKS/ref=oh_details_o04_s00_i00?ie=UTF8&psc=1

I then bought some extra trans cooler line because that trans cooler doesn't come with enough
http://www.amazon.com/gp/product/B000HE6H3S/ref=oh_details_o03_s00_i03?ie=UTF8&psc=1

You need this to fill your transmission back up (has to be filled from underneath
http://www.amazon.com/gp/product/B000JFJMFK/ref=oh_details_o03_s00_i02?ie=UTF8&psc=1

And a suction gun to pump the fluid into the transmission..
http://www.amazon.com/gp/product/B000MD4YNY/ref=oh_details_o03_s00_i01?ie=UTF8&psc=1

Its actually really easy to do even though it looks like a little intimidating.


About the install:
On these vehicles (and most for that matter) without the tow package the transmission fluid flows through a separate section of the engine radiator. The fluid is HEATED here to get up to tempertature in the winter and then COOLED when it gets too hot.

To install a cooler you ideally want to put the cooler after the stock radiator. So fluid flows out of the transmission to the stock radiator, to the cooler you installed, then back to the transmission. This is the best way to do it for where you live and what you want to do so I am not even going to go into the other ways.

This setup allows the cooler to work most efficiently while still allowing the fluid to get warm enough on cold days. ( I drove in TONS of sub 10 degree days this winter without so much as a hiccup).

to install the cooler:

It is pretty straightforward. The cooler comes with little zip tie like fasteners that you put through the stock radiator and push the aftermarket one over the zip tie ties and put the end on them...kinda hard to explain but simple to do. You then cut the COLD transmission line (start up the vehicle and let it run for 20min or so and you will be able to feel which line is the colder one). If you decide to do the cooler let me know and I can look under my truck but if I remember correctly it is the top line.

Then fasten one end of the rubber hoses to one of the ends you cut and the other rubber hose to the other end. Then, start the vehicle again and wait 5 minutes to fill up the transmission with more fluid. (The process to fill up the trans can be found on youtube) It isn't hard but it requires some technique.


What ford is pricing out for you is a stock tow package trans cooler. What that would entail is replacing trans cooler lines and running things differently because the line routing is different from non tow package models. That's why it costs so much more.
That being said the performace will also be worse, because the cooler I put in for example is like 3x as large as the stock tow package cooler. It is way overkill for the vehicle but hey, better safe than sorry.

I've towed 7k pounds with my Explorer...no issues other than wishing I had some more torque but the V6 isn't really meant for towing that much so i can't complain.

Let me know if you have more questions I know this was alot to take in.
 






Well.....it appears ( and Ford looked up VIN for me) this old gal DOES indeed come w a transcooler. Seems even though the standard hitch model even only brought a 1-1/4 ball receiver......seems the 4.0/V6's did come w a factory installed transcooler!
 






And I've already upgraded to the stronger hitch package that bolts into the frame of the truck.....so....perhaps now I'm only in need of adding some electric brakes to my pop-up camper unit.
 






Well.....it appears ( and Ford looked up VIN for me) this old gal DOES indeed come w a transcooler. Seems even though the standard hitch model even only brought a 1-1/4 ball receiver......seems the 4.0/V6's did come w a factory installed transcooler!

I've personally never heard of this and I couldn't find one on mine but hey, ford would know better than I!

If your trailer is less than 3k pounds (I think) it doesn't need brakes... I could be wrong though look that up.
 






the pop-up camper weighs in at roughly 1775 lbs.
 












Well.....it appears ( and Ford looked up VIN for me) this old gal DOES indeed come w a transcooler. Seems even though the standard hitch model even only brought a 1-1/4 ball receiver......seems the 4.0/V6's did come w a factory installed transcooler!

My 2002 4.6 came with the smaller hitch and also has a large full length factory transmission cooler.
 






My 2002 4.6 came with the smaller hitch and also has a large full length factory transmission cooler.

Really?? I gotta check mine out now. If mine has the stock tow package cooler too mine could pull 15k pounds without heating up lol
 






Doesn't matter if your Explorer has the tow package or not, it indeed does have a large stand alone aluminum stacked plate trans cooler. It's in between the radiator and the A/C condenser. No need for an upgrade there.

Now besides this your truck has the smaller 1.25" receiver hitch and will have 3.55 gearing instead of the 3.73 gearing found in the factory equipped tow package option.

Your pop up is small enough that as long as your tongue weight is below 300 pounds then you will be just fine. (1,800 pound pop up should have around 180-220 pounds on the tongue maximum)

I have a fairly large pop up (3,000 pounds GVWR) Just keep your speeds under 65 mph and drive safe. The real concern I would have would be the tires on your pop up. What size are the tires? How old are they? When is the last time the wheel bearings were serviced? Today's trailer tires are cheaply built at best and if they are older then 5 years it could be a recipe for disaster. Also always keep ST (trailer tires) at the maximum PSI rating on the sidewall.

Good luck.
 






all good advice here folks.
this forum is just as good as my Honda Hawk forum!
thanks.
 






update on my upgrades to the Explorer Tow Vehicle

so....I've since upgraded the pop up campers bearings AND tires.
New bearings, new electric brakes and new tires with new spare.

On the Truck, I'm getting the differential checked out this week.
Ever since I started towing the PUP (pop up) it's been making a strange "growly" noise.....kinda 'growllll'.....growllll.....growlll" if I could record the sound I would....but I'm getting her checked out this week.

I've had the bearings on the explorer replaced. the controller arm replaced. the ball joints replaced (front and rear) so...the only thing left is the differential check.

My mechanic says he doesn't dissect the differentials anymore...he will simply install a complete one but that I'd have to take it to a light truck specialist who does do differential dissecting and replacement of differntial parts.......so I'm takin' her in on Tuesday to a place that specialized in Explorer and Expedition type vehicles........'wish me luck' it's not an expensive diagnosis......:thumbsup::thumbsup:
 






so....I've since upgraded the pop up campers bearings AND tires.
New bearings, new electric brakes and new tires with new spare.

On the Truck, I'm getting the differential checked out this week.
Ever since I started towing the PUP (pop up) it's been making a strange "growly" noise.....kinda 'growllll'.....growllll.....growlll" if I could record the sound I would....but I'm getting her checked out this week.

I've had the bearings on the explorer replaced. the controller arm replaced. the ball joints replaced (front and rear) so...the only thing left is the differential check.

My mechanic says he doesn't dissect the differentials anymore...he will simply install a complete one but that I'd have to take it to a light truck specialist who does do differential dissecting and replacement of differntial parts.......so I'm takin' her in on Tuesday to a place that specialized in Explorer and Expedition type vehicles........'wish me luck' it's not an expensive diagnosis......:thumbsup::thumbsup:


You need to replace the rear end. Don't rebuild, it's full of debris. Ford rebuilt the one in my 04 under warranty and it failed again 30K later. They replaced the entire unit. It's a known problem.

Also, before you go messing with your tranny remember these trucks don't have trans dipsticks or fill tubes, so familiarize yourself with the tools and procedure required to add fluid.
 






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