To replace the speakers in the door of a Mazda Miata, you simply need to remove the door panel and disconnect the old ones, and connect the new ones. To remove the door panel, you first need to remove the screws holding it secure. (There is typically one located in the handle, and one on each side toward the middle) After this, carefully pull the panel away from the door, removing the door clips. (You may want to get extra from your local auto parts store, as they can become fragile over time and break rather easily.) Once you have all of the clips removed, you'll want to carefully and stably pull the door panel up, as it usually slides into the top of the door where the window is. To put it back on, simply repeat the steps.
I am not familiar with putting larger speakers in, but this should work rather effortlessly if you're using the same size as the stock in door speakers.
OEM is 6x8 or 5x7. Adapters can be used to fit 6.5" drivers, if you choose a component sent and replace the tweeters in the upper area of the door. The hole can actually fit up to an 8" driver, provided you can find one shallow enough to fit.
The door speakers are 5.25 inches but you have to purchase an insert in order to replace the door speakers.
It is in the center console
open the door
Remove door panels.. Unscrew old speakers..Screw in new speakers..replace door panels...ready 2 GO..
Remove the door panels and replace the speakers. They sit in baskets and are simple to replace. We have instructions at our enthusiasts forum. www.trailvoy.com
Where the arm rest is, theres a door, open that door to find a gas lid lever and pull it up
remove door panel, remove speeker.
6x8
The blower is under the glove box next to the passenger door. There are 3 bolts that hold it in, and has a wire connector that needs to be removed afterward. Installation is the reverse of removal.
To replace the front speakers in a Toyota Sienna the door panels must first be removed. With the door panels removed the speakers will be easily accessible and the mounting screws can be loosen. Unplug the speakers and remove them. Install the new speakers.
You will need to remove the door cards, then get to the back of the handle, should be some mounts to remove then you should be set.