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Roadmaster XL Base Plate Kit Installation - 2005 Chevrolet Avalanche

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How to Install the Roadmaster XL Base Plate Kit on a 2005 Chevrolet Avalanche


Today on our 2005 Chevrolet Avalanche we're going to be showing you how to install the Roadmaster XL Base Plate Kit with the Removable Arms. Part number is 199-5. Now here's our base plate once we have it installed and when not in use, of course. As you can see, this is going to be a pretty much direct replacement for our tow hooks. The installation process is pretty straightforward with it. You will have to pull the bumper off and your grill insert out to get it installed, but once you do that, pretty much free and easy to go.

There's one hole to drill over there in the frame rail, but you're going to have it installed pretty quickly. Now, this setup is designed so we can haul this vehicle behind our RV now. When it's time to do that, you'll grab your removable arm. You see the tabs are offset, we want these to face towards the middle. That's going to slide in position. Then we can secure that with our 5/8 diameter pins and clips.

Going to slide that through the arm we just installed, through the base plate, then we'll slide our clip in to secure that, just like that. Same thing done on the other side, and you're ready to connect your tow bar brackets, like that. You'll see the hole right here for our quick disconnect safety chain connection point. You're also going to have a small tab that sticks out here on our removable arm and on our base plate so you can put a padlock there and secure these in position, so you won't have to worry about them disappearing. The quick link on our safety chain connection point's going to make this connection an easy one to do. Just bring it through and close it up.

You don't have to worry about getting a wrench in there and tightening them down or anything. We're going to begin our installation by just removing this cover, kind of goes from the core support of the radiator up to the grill. Going to have push pin fasteners. You see, once you pull the middle out, you pull that outside out, just like that. They come apart, it's not a big deal, you can just stick it back in there. We're going to do that for all seven fasteners here and we'll be able to set this panel aside. Now, if we pull out on the outside edge here we're going to separate a clip that's on each side.

Right here on the top we've got a couple clips. If they don't pop out, you can use a trim panel tool or a screwdriver to kind of help. If they still don't come, you can pinch those clips together with needle nose pliers. Now, located directly underneath these we'll have two more right down here on the bottom. With those undone, we'll set our fascia aside here. All right, now you'll see if your truck's equipped with fog lights you're going to have two plugs, one on either side here on the back. You're going to separate those. We get those up and out of the way. All right, now underneath the truck this is our frame rail coming up here. You see we've got two 10 millimeter bolts. There's going to be one on each side here. We're going to take these out and do the same on our passenger side as well. You see that's going to come off kind of in one piece. You got that little clip, going to be right here. Once you've got that separated we'll just slide that off. Now these will be returned to our customer. They're not going to be going back into position. Once we've got those out of the way we'll uncover these 18 millimeter headed bolts here on the bottom. Let's get those taken out. We're also going to remove the longer one that passes through our tow hook here. Here to here, also an 18 millimeter. That's probably a wrench and socket, going to be the better plan on how to do that. Now, on each side where this brace comes around, we'll have a single bolt to remove there. That has a 15 millimeter head. All right, now we'll come up to the top side of the bumper. Right down behind that edge we'll have a couple more 15 millimeter headed bolts to take out. Now, we're also going to be removing the 15 millimeter headed bolt located just inside from that location, a little bit lower towards the middle of the vehicle. Now, while removing this last bolt, you'll want to keep some inward pressure on that bumper. Pull straight out on it there and we'll get it set aside. Now it's time to get our backing plates positioned. These are going to sit right in the frame rail here, and we're going to be lining the hole up in our backing plate with the hole that's right here in the bottom of that frame. Do that on both sides. Now we'll take our base plate arm, you'll see there's going to be the smaller tab towards the middle and the larger one towards the outside, just to give you a reference. Those will be placed right up through the frame, through our backing plate. Then we'll place on a lock washer and also thread on our nut. Now you'll want to put a little bit of Red Loctite on that stud, and we're just going to run that nut down so it's what would be finger tight. See how that kind of brings our bracket up. All right, now once we've got our bolt there in the middle torqued down, you'll see we're going to use two of our 1/2 inch bolts with a flat washer, lock washer, and a nut, and we'll get these torqued down as well. Again remember, Red Loctite on everything. All right, now we'll repeat the same process for our driver's side. You'll see we're supporting the arm of our base plate here just slightly with the jack stand. Just want to bring that up to where you have a full solid steel backing there. Use our 17/32nds bit and we'll mark the center of it. That'll give us our center location. We'll drill a pilot hole and enlarge it finally to 17/32nds. Now we'll take our 1/2 inch carriage bolt with the spacer block, going to bring that through the hole there, get our Loctite on there and we'll add our lock washer and also our hex nut. We can get that side torqued down. Once that's done we'll go to the other side and repeat the same process. Now we're ready to get all of our bolts installed back on our bumper and we can get it tightened down. Now, we're going to be using basically the four that are on the top here. We'll have one, two on each side. Then also that brace underneath, we removed a bolt from each side there, we'll be putting those back in. The other bolts we removed, that just held our tow hook in place. All right our bumper's secure, let's slide our grill into position. Just get all your tabs lined up and then should be able to push in firmly. You want to confirm that all of your clips have clipped into position there, including the two here on the outside. Then we'll put our upper cover back on here. With our base plate installed we're able to put on it, in this case, a quick disconnect crossbar where you get the adapters to connector your tow bar here directly to them. That's going to allow us to safely haul our car down the road. Of course, you don't want to forget about your braking system. You don't want to forget about your towed vehicle wiring, just to help you stay in compliance with any laws. That base plate's going to give us a great connection solution so we don't have to worry about any major big modifications to the vehicle. That's going to complete our installation of the Roadmaster XL Base Plate Kit with Removable Arms, part number 199-5 on our 2005 Chevrolet Avalanche.


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Info for this part was:

Employee Jacob T
Video Edited:
Jacob T
Employee Kathleen M
Video by:
Kathleen M
Employee Randy B
Test Fit:
Randy B

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