Assuming you do not have the Bose system, it's actually pretty easy.
1. Pop the plastic locking mechanism off the door panel.
2. There is a 7-mm screw underneath where the the locking mechanism used to be. remove this.
3. There is another 7-mm screw just below the door handle, the one you pull when closing the door (look for the hole). Remove this.
4. There is another 7-mm screw under the bottom edge of the door panel. Remove this.
5. Pop the plastic cover around the opening handle, the one you pull up on to open the door. A thin flathead screwdriver will do the trick here.
6. Pop the triangular plastic cover off that is at the front-lower corner of the window. Start at the top because the bottom of it is a tab that slides behind the metal. If you start at the bottom you might break this tab.
7. Now just lift up on the door panel and it should slide off.
8. The next trick is unplugging all the wires. Some are simple, others a little more stubborn. Just keep in mind that they all have some snap-clip mechanism that must be pushed to release the wire connector. The trickiest one is the big connector to the power windows and locks. There is a gray lever-looking clip on it that must rotate out to release the whole connector. The spring/snap clip is located at the outermost end of this gray lever. The little door light at the lower outside corner of the door simply pulls out of the lamp housing with the bulb still attached. It is snap fit but it does not lock like the other wire connectors.
The door speakers in an 03 Silverado are component, meaning there is a mid/bass driver and a tweeter. The factory tweeter has a capacitor soldered to its leads which I think is acting like a simple high-pass filter. I wouldn't connect an aftermarket tweeter directly to it wires as they may not be filtered and could easily blow a new tweeter with low frequency signals. Definitely use a crossover with the tweeter. I bought an aftermarket mid/bass-tweeter combo that included the crossovers and it works fine. I just wired them to the wires for the factory mi/bass driver and left the factory tweeter disconnected. However, I'm thinking about reconnecting the factory tweeters just to see if I like the sound better.
remove the door panel
You will need to remove the speaker covers in your 2006 Chevrolet Silverado. Remove the speaker retaining screws. Remove the wiring harness from the back of the speakers. Reverse the process to install the new speakers.
take door panel off should be screwed to door remove screws take speaker out unhook wires
For a 2000 Chevy Silverado Ext Cab 4 dr 4x4 Z71 Front 6.5/6.75 inch speaker remove door panel and then install new speaker reattach panel. Rear 4x6 inch speaker remove rear door panel and install new speaker reattach panel.
Use hammer.
# Remove the door trim panel # Remove the mounting screws withdraw the speaker unplug the electrical connector and remove the speaker
Open The Door, Remove The Door Panel, Remove Speaker, Wire The New Speaker, Fix The Speaker To The Door, Refix Door Panel, Switch On
Remove the inside door panel from your 2003 Chevy Silverado pickup truck. Remove the wiring harness from your heated side mirror. Remove the mirror retaining bolts. Reverse the process to install the new mirror.
Remove the speaker covers from your 1997 Mercury. Remove the door speaker retaining screws. Remove the door speaker wiring harness. Reverse the process to install your new door speakers.
the whole door panel has to be removed, (pop the plastic behind the handle and remove the screw, pop the lock lever and remove the screw, and pop the window control handles off and pull up on the door panel) then on the back of the door panel there is a bunch of tabs bent down to hold the grill on, unbend them and the speaker grill will ease its way out.
Removing a 1991 Chevrolet Silverado door panel is pretty simple. All you will need to do is to remove the screws holding the door panel in place.
2003 Chevy silverado door panel removal diagram