How to Replace Horns 2008-14 Cadillac CTS
Created on: 2018-05-31
How to replace a muffled or broken horn on 08 Cadillac CTS
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step 1 :Removing the Wheel Well Liner
- Pry out the push clips from the wheel well liner with a trim tool
- Remove the liner
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step 2 :Removing the Horns
- Disconnect the horn wiring harness
- Loosen the 10mm bolt from the horn
- Tap the center of the bolt stud with a punch and hammer
- Pry off the connector with a pick
- Remove the 10mm bolts from the horn
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step 3 :Installing the Horns
- Insert the bracket to the horn
- Tighten the 10mm bolt to the horn
- Connect the electrical connector
- Insert the horn into place
- Connect the horn wiring harness
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step 4 :Installing the Wheel Well Liner
- Insert the wheel well liner into place
- Press the push-pins into the liner
Tools needed
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Hammer
Flat Blade Screwdriver
Center Punch
10mm Socket
Ratchet
Trim Tool Set
Pick
Hi, I’m Mike from 1A Auto. We’ve been selling auto parts for over 30 years!
In this video, we'll be removing and installing the horns for 2008 Cadillac CTS 4. If you need parts for your vehicle, click the link in the description and head over to 1aauto.com.
I'm going to use my clip tool to pull these. Pull these push clips off. Use our trim tool. Pull this one out. I'll have a little more play with this. The 10 millimeter bolt right there, we're going to take out. We'll take this clip off too, and pull that out of the way.
I'm going to take this off over here. Pry it out a little bit. Then I can use my clip tool in there. Pull that out. I can pull this cover off. For a better view of this video, we had the bumper off, but when removing the horns you do not need to take the full bumper off, just this inner panel that goes here.
For the next step, I'm going to disconnect the electrical. There is a retainer. It doesn't have to come all the way off and then you push down. You just have to pull it down a little bit, and then you push down and then disconnect it. Next I'm going to pull this 10 millimeter. Loosen it up with that 10 millimeter socket or extension and a ratchet. I'm not going to take this nut all the way out. This is kind of a stud that goes through.
I can actually use a punch and a little hammer. I'll just tap it, and that loosens this whole thing. Then I can slide. I got to go a little bit more. And it'll slide right out. Now that we've got these horns out with this bracket, we can disconnect the electrical connectors and take this nut off.
To take the connectors off I'm going to use a little pic, just pry up right here. Push it up a little bit as I'm prying, and then on the inside the same, just to get it past the lock. Then pull up just like that. Then we'll take off the nut.
Use a 10 millimeter socket and a ratchet to remove the nut, and there is your horn.
Now we're going to reinstall into our bracket. Take the horn. Put it through and then tighten down the 10 millimeter. Hold the horn while you're doing it. Just tighten it snug. I'm going to reconnect the electrical connector. Get it lined up. Just lock it down.
All right, now we're going to slip our bracket back in. The bracket's going to slide in here and then go to the left, like that, like that, and that little nub is going to go into that hole right there. We're going to take and tighten this nut back up. That's going to pull the stud down while we do that. Snug that up. It's good and tight.
I'm going to reconnect our electrical connector. Push that and then push the lock back up. Install this liner. This part goes over the sway bar. This goes over here. Bring that over. Take one of the push pins, get in the hole, and lock it down. This goes underneath like this. Push another push-pin through here and then lock it down. And then one right here. Put the push-pin right there, right there, and right here.
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