Flex-a-lite Translife Transmission Cooler Kit Installation - 2009 Dodge Grand Caravan

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How to Install the Flex-a-lite Translife Transmission Cooler Kit on a 2009 Dodge Grand Caravan


Today on our 2009 Dodge Grand Caravan, we're going to be showing you how to install the Flex A Lite Trans Light. This is a class 4 transmission cooler with barbed fittings, measuring 7.5 inches by 20 inches. Part number is FLX4120. The transmission cooler really is going to do a great job of providing extra life for the transmission. It puts cooler fluid back in it so it's going to operate at a lower temperature. The van has a factory transmission cooler so we're able to take full advantage of that, run directly into our after market cooler just for that additional cooling effect. Mounting this is a simple process.

What we did is use the nylon bolts, goes through our cooler, condenser and radiator. There's spacers in there, it keeps everything nice and protected and then we've got some plastic nuts that go there on the back side and it really provides for a nice solid mount. This is a class 4 cooler, is a 6 pass design. Essentially what that means is that our liquid takes 6 different passes through that cooler to help promote that fluid getting as cool as possible before returning to the transmission. At each end we've got 3/8" barbed fittings that's going to allow for great connections.

We're going to have 4 foot of hose that's going to come with it. Hose clamps come with it. The only thing we really added was the 13035 adapter just so we can use our factory connection point and maintain that integrity. We're going to start right up here on the top. We're going to remove the 2, 10mm bolts that are here on the outside. Now any of the hardware that we're going to remove while we take this front facial off, we're going hang on to, we're going to need it for re installation.

We also want to take the 2 pushpin fasteners out that are located here closer to the middle. Flat blade screwdriver, just want to pull that center section out. Then, the outside will come with it. Here on the underside of our bumper, we need to pull out these pushpins or Christmas tree style fasteners. It will be 4 of them, 2 on each side.

Now, on the driver's side only, we want to come right over to this corner too. There's a pushpin here that we want to take out. It's pretty much same style as what we just removing. Then we can work into the wheel wells. In the wheel wells here, we've got 2 Phillips screws, here and here on each side that we're going to take out. If we continue up, right here we've got a 10mm bolt. Now we can do the other side and do the exact same thing. Now we need to work off of each corner here. Just kind of pull out . You're going to pop off the little clips that hold the facial in place. Now as we move out we want to check for fog lights or anything else that might be connected back here. You can see we've got a fog light right here. Just going to pull up on that tab and just wiggle our plug to separate it. As long as you've got everything disconnected, you're not going to pull any wires. We'll set this aside somewhere safe. We want to pick a location for our transmission cooler. This is going to be mounted right in front of our radiator. This is going to give us 100% efficiency. There are other options further back but the further back you go the less efficient your cooler's going to be. I'm just going to mark off the corners of it here. Then I'm also going to mark the bottom of this section. That's going to allow me to get my mounts more in the middle here. We get our marks there so we get them equal space. We'll bring that into there, up, kind of the same deal, that will give us our 4 locations. We can find our marks and if we take our screws here, you see we're just going to be able to gently separate the areas in which we want to put our mounts. Now we'll prep our cooler. We're going to just slide our plastic nuts through. You can see we've got one of the nylon washers on there. I'm going to go down and spread them out to get them as close to those tubes as I can. Now onto those we're going to put our rubber bushings here. That's going to give us that separation we need, keep everything nice and safe. We just want to gently line up our screws here and start pushing through the thins of the radiator. Be careful with them. Sometimes turning them a little bit will aid them through there. Now we can take our plastic nuts here. You can see one side is going to have a cup. We want that to face in towards the radiator. You'll see our bolts that are sticking through. Just going to push those on there to get them started. You might have to move your fan a little bit to get your fingers in there. You just want to push them all the way down until they make contact, then we can snug them up on the front side. We want to go through and we want to trim these off so they don't cause any interference with our fan. Now we'll just gently turn these nuts on the front side, or bolts here on the front side and they're going to . You'll feel it just tighten up just a bit. You'll see once we get them all snug down, it's going to be nice and secure. Now what we're going to do is figure out which side is the return and which side is the sending side of our transmission lines. What we'll do is start the vehicle, we're going to place it in park, put the parking brake on, put your foot on the brake, then we're going to shift into drive. Then we'll rev up the engine slightly just so we can get our fluid cycling through the lines. After a few seconds we should be able to come to our lines here. There should be one noticeably hotter than the other. Of course, use caution they will be pretty hot. It looks like the lower line that's going to be the one that's a little bit cooler to the touch. That's going to be the one that we'll use. Now we're going to pull back this little plastic cap or plastic keeper on that line. Slide that on the back. There's going to be a little clip on right there. It's usually best to use a pick and definitely be careful when you pull them off, sometimes they can go flying. You kind of pull it out like that. We can grab our line, give it a little wiggle and it should slide right out. We'll pull this up a little bit here. We want to take this plastic keeper off of that side, just like that. We can take the adapters here and we're going to slide them down into our provided hose. You can see where that little phalange is, we just enough there so we can get our hose clamp on to get it nice and secure. Our hose clamps are provided. You'll need a quarter inch bit to get those secured down. Now we can bring this around. We want to slide it right into that connection we just separated. We're going to slide that black keeper back onto the line. Put it right back in there where we removed it earlier. We just need to make sure that we slide it far enough up so that the phlange is seated fully then we can pop our clip back on. There's the clips, you'll hook them on one side and then rotate them until they clip into position. Always pull out on that line, got a good secure seal there. Then push that keeper back on, that's going to make sure that clip doesn't disappear. We're going to bring the end of our line there, come down this direction . Just want to make sure we don't have any really sharp bends in it of course. We want the fluid to be able to flow through. Figure out what we're going to need here. Trim off our excess. You want to get this cut as flush as you can. A razor knife is typically what I use. There are also some tubing cutters out there you can use. Now we need to slide the hose clamp on there. Then work that right over our barbed fitting. It doesn't matter if you want to use the top or the bottom. I'm using the bottom in this particular situation because that makes my bend a little less dramatic as it comes around. It's the only reason I went that side. We'll get that clamp tightened down. Now just need to make our connection from here, right up to the original transmission line that we pulled out. All right now it's past the other end of that tubing that we just cut through and we're going to connect this to our transmission line that we separated. We'll slide a hose clamp on there and connect it right to our old transmission line here. Our hose clamp positioned there. We'll bring that down. It's going to sit pretty close to it's original location here. It's going to be a little bit loose so I think a zip tie would be in order here. Not looking to get this down super tight where it's got everything locked into position, just to give it some support. Now we'll route this hose down. Again, being mindful of how much of a bend we're putting in it. We can gran our last hose clamp, it's going to slide on, we use a little transmission fluid on there, get it slid into place, tighten it down. All right we've got that attached, now is going to be the perfect opportunity to test this out. We're going to do just like we did before, start the car up, put it in gear, foot on the brake, parking brake set, give it some revs. As it revs up, one we should be able to test to make sure our cooler is working because this is going to heat up but it's also going to give us an opportunity to look at our 4 connection points here and check for leaks. Now feel our cooler, this is going to be warm to the touch so you definitely don't want to grab ahold of it or anything, but be able to feel our heat, that means it's going in and also coming out, so we're getting our cycle there. No leaks detected at our 4 attachment points. We'll be ready to put the facial on and head down the road. What we're going to do is plug our fog lights back in or any other electrical connections that you separated and move our facial back into position. Once we've got it positioned back in place, let's go around and start getting all of our fasteners put back in. Just start at the top and move to the bottom, then we can head to the wheel wells. We're also going to do the ones above the wheel here right where the facial and fender meet. Do that on both sides. The last thing we'll do is put our two Phillips head screws here in our wheel well and get those tightened down. That's all there is to it. That's going to complete our installation of the Flex A Lite Trans Life Transmission Cooler Kit, part number FLX4120 on our 2009 Dodge Grand Caravan.


Questions and Comments about this Video

Keith G.

Awesome video. The questions I have are. I have a cvt trans anything different there? Should I add trans fluid after the install it's a sealed trans so no dip stick to check if it's low