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Hi, I'm Mike Green. I'm one of the owners of 1A Auto. I want to help you save time and money repairing or maintaining your vehicle. I'm going to use my 20-plus years experience restoring and repairing cars and trucks like this to show you the correct way to install parts from 1AAuto.com. The right parts installed correctly: that's going to save you time and money. Thank you and enjoy the video.
In this video, we're going to show you how to remove and put back in a door lock actuator, the driver's side front on the 2004 Trailblazer, same as any '02 to '09 Trailblazer, Envoy, Bravada, Rainier, Saab 97X as well as Isuzu Ascender. Tools you'll need are small and a medium flat blade screwdriver, 10mm socket with a ratchet and extension, a T10 Torx driver and T30 Torx bit with a ratchet.
Start with a regular screwdriver, put it up under, quick little pry. Do the same thing over here. Okay, pry that up, you can see it just has two clips, front and back. Then you want to turn it over here and you want to unplug all of these harnesses. You basically just have a little thumb tabs, pull them up, okay skip that one, this one pulls out fairly easy. Now use your screwdriver, just pry that up a little bit and get that off. Then over here, screwdriver on this tab. Pry it up a little bit and it will come right out. This comes out. Around your door handle here, you're going to see some little tabs or little slots, you can insert a small screwdriver, push down with your screwdriver and then pull out with your hand, work your hand underneath, another tab right back here, push down, pull out and then there's a couple up top. Those ones you push up. There's one more right here. Okay, this whole thing comes out and if you have the memory seat and everything, you can now pull this whole harness right up and out.
There are two 10mm bolts: one there and then one way down in there. Use a 10mm socket with an extension and a ratchet. This one's really easy to get to. Okay, pull it up and out. This one, I'm going to start it. Do as much as I can, okay I just felt it fall, which is okay. Once you have those out, then you can start up here with your hand, just work it underneath this triangle, pull out and then just work your hand under the door panel and it will get harder and harder to slide under. You just pull, okay, and keep working your hand under, pull, work your hand under, and pull. Actually, here's my bolt from that armrest. Work our hand under and pull out and your door panel comes off.
For your inside door handle, there's a 10mm bolt right here. Remove that. Now I'm going to pull it forward and it comes out. Now in behind here, there's a little clips, you pull the clip off the rod then push the rod up. Another one down here, pull the clip off, push the rod up. You'll want to pull them out of these clips here.
Now inside, you're going to want to disconnect this lock rod here; there's a blue clip. Push up on the clip, and then pull that rod out. Right down here, you have this clip on here, you just pull that clip off and this rod comes out. T30 Torx bit, you need the style that you can put a ratchet handle on. Remove these three T30 Torx bolts here. We'll just speed this up as I remove those three bolts. So, now your whole locking mechanism comes out, and you can hopefully, unplug here, unplug here, unplug here, pull your mechanism down and out.
First you want to remove this strap here. Basically, I've got a T10 Torx driver is what I'm using and pry one side up and take it off. Then there are T10 Torx screws. We'll speed it up here as I remove those three screws. You'll want to pull this rod, which you'll have to twist it and then pull it out. Then this comes out of this arm, down and out. Then your actuator comes off like that.
Now this actuator is actually in fine shape, so I'm just going to put it back together. You want to put . this has a little, it's kind of like a shoe . you put the top in and then twist the actuator down. Now you have to get the gears, right here, to mesh and you can do that. You're just going to put this in, clip it into place. Again I'll use the fast forward button as we just hand thread those three bolts in or screws in and then tighten them up nice and snug. For this strap, it's easiest if you put this side on first and then you just want to push it right down. Then, this rod goes in the side that has this little groove cut in it, it just snaps right it there.
So you have your assembly. You want to put these two rods right up in through here and then have them come out this hole here. Now you want to connect all these: green goes on top, grey here and blue on the bottom. This rod goes inside this harness here. Put your assembly in. You should move over to the side a little bit. Now grab one of your Allen screws. Just make sure your handle rod doesn't get in the way, make sure it's hanging down free and start to push it up in place so you can see your latch here. Start one of your screws. We'll speed it up here as I just start those other two Torx screws. Okay, put these into place. Tighten these up. You want to tighten those up nice and firm, they don't have to be extremely tight but they should be good and firm. Okay so you're going to want to take your lock rod, make sure it's on the outside of this rod, I don't know if you can see me moving that right through here. Okay. Then clip it in and then put that clip on. Okay. Now right in here, put our handle rod in and lock that clip on. Now we can put our water shield back up in place. One thing you want to make sure is this pull right here is nice and clear. Re-installation is just a reverse. Push the rod over, clip on, pull the rod over, push it down, clip it on, and push the handle in, and slide it back. Here's a 10 millimeter bolt. Now, I'm going to fast forward through putting the door panel back on. It's just in the interest of keeping the video a little bit on the short side. Once you get it off, it's pretty easy to get back on. If you do want to see this in real speed or regular speed, just check out our other videos for the Trailblazer front door panel remove and replace.
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