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Firestone Coil-Rite Air Helper Springs Installation - 2010 Nissan Pathfinder

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How to Install the Firestone Coil-Rite Air Helper Springs on a 2010 Nissan Pathfinder


Speaker 1: Today, on our 2010 Nissan Pathfinder, you're gonna be taking a look at, I'm gonna show you how to install the Firestone Coil-Rite Air Helper Springs for the rear, part number F4107.One thing that's really nice about having airbags is when you're hauling, and once these bags are installed, they're going to improve your steering. They're going to reduce your tire wear, and level your headlight beams for a much safer hauling experience.This kit is going to come with individual inflation valves that are going to mount outside the vehicle. They're going to have a minimum air pressure of 5 psi and a maximum of air pressure of 35 psi per bag. They're going to have a combined load-leveling capacity of 1,000 pounds; however, you never want to exceed the vehicle's weight-carrying capacity, and these bags after installation will not increase that capacity. Make sure that you check owner's manual. Find out if your vehicle can withstand the amount of weight that you're wanting to carry, and you want to go with that lowest number.First thing we want to do before we start our installation, is you want to measure the inside of your fender well here on the front and the back to get a normal ride heighth.

That's without weight added. The reason is when we add our bag, we won't be able to get our height back up to that normal ride heighth as close as possible.We'll go ahead and take a measurement here in the back. We're going to go right up to the center of the tire from the ground right to this lower edge here. Here in the back, we're at about 33.5. Now, we'll go ahead and take one from the front.We're actually right at the same, 33.5.

So now, once we add our bags, we put our weight in our vehicle that we're towing with or hauling. We can air our bags up and try to get as close as possible to that number. The reason we want the normal ride heighth to be 4 any way its added, so that when we add weight, once our bags are installed, we can air-up our bags and get to that number as close as possible.Now, we've added only about 400 or 500 pounds to the back of the vehicle. We're going to go ahead and take another measurement and see what it did. I measure it the same way.

We've actually dropped our back end about a half inch. Let's go ahead up to the front and take another one up there. And we've actually raised our front end a half inch. What that's going to do, it's going to put unnecessary wear and tear on your tires. It's going to affect your breaking.

It's going to affect your steering. When it raises the front, it raises your headlights up. When it raises your headlights up, they're not aiming in the right direction. You may not see the road as well as when they're at the normal ride heighth.With our airbags installed, with the same amount of weight, we've added about 30 psi to each bag. We'll take another measurement here at the back, and we're back up to our normal ride heighth. Let's go and take one at the front, just to be safe.We're going to have the same measurement. So we're back to our normal ride heighth. This is going to eliminate any of that unnecessary wear and tear on our tires, breaking. Our headlight beams are back to normal, and our steering is back to normal.So before you start your install on your airbags, you want to remove both wheels on both sides. Put jack stands under your frame and let you axle hang. What you want to do is you want to is to spread this spring out as much possible. Once you have that done, you are going to take your air line tube that comes in your kit. You want to cut about 3 inches off of it. Kind of like that. Make sure your ends cut pretty well. Insert it into the top of the bag, like that.If you don't have an air line tube cutter, you can find one our website, using part number F9009. So now what we need to do is we need to get all the air out. We're going to start at the end, and grab it like this. Just going to roll it. In your kit, you're going to get a little plastic cap. Once you get the air out, take that red cap and stick right on the end of the hose.So right here at the top, and you see this one has a hole in it. If you don't have this hole, you may need to drill a hole large enough to fit your air line tube. Since we have that one, we're going to go ahead and move forward. We're going to take our airbag, and we're going to slide it inside the spring. Once you get your bag in, and make sure that your air line is facing up again. It is going to come through the top. We're going to pull our cap off. Inflate this bag inside the spring here, just like that.Next thing we're going to need to do is to get this air line tube out. We're going to take a small wrench. You can see that I'm going to use 8 millimeter. I am going to push down on this copper ring right here at the top. Push down toward the spring, and we're going to pull up on our tube. Like that. We're going to repeat that same process for the other side.That's where we're going to have a ring like this in our kit. We're going to slide it over top, just like that.We're going to take the rest of our air line tube that comes in our kit. We're going to meet the two ends. It's going to come in one piece, and we're going to find the center. Once we find that center, we can go ahead and cut it. Cut them in half. It is going to give us even sections for both sides.I'm going to feed it right through here. We're just going to push it right down into the bag. Then pull on it make sure that it's in there.Once you've got you're air line tube installed, we're going to run it to the back of the vehicle. We're going to add on our air fittings.I went up. If you look straight up, right here, there's a hole in the side of the frame. I ran my air line tube into that hole and all the way down into the end. I just ran my air line over to the pre-mounted bracket on the edge. On our passenger side, it is going to be run the exact same way. The only reason that I wanted to show you is that our exhaust runs right here. You notice on our line, there's a sleeve. You're going to get two of those in your kit to use wherever needed. It's going to protect your air line tube from heat or anything like that. Make sure that you don't forget to put that on, before you run that tube through your frame route.In your kit, you're going to get air fitting like this. You're going to 4 flat washers. Take this nut off. Put on one flat washer like that. Put this in the hole here. Put a flat washer on the front side, and then replace the nut. 12 millimeter socket. And we'll repeat that on the other side here.Now we're going to add the maximum amount of air we can. And we're going to check all of our fitting areas for any leaks.Spray the top right there. And what we're looking for is a big bubbles. You can see that we don't have any there, so we're good. Now, check the back of our fitting that we have located on the back of the vehicle. Looks good there, and we'll check the front, also.That'll do it for our look at the installation of the Firestone Coil-Rite Air Helper Springs for the rear, part number F4107 on our 2010 Nissan Pathfinder.


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Info for this part was:

Video Edited:
Dustin K
Video Edited:
Chris R
Test Fit:
Shane H
Video by:
Jonathan Y

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