You will need to remove the inner panels to gain access.
Remove the door panels and unscrew the grills, then unscrew the speakers
Remove the covers to your 2000 Chevy Malibu rear speakers. Remove the speaker retaining screws. Remove the wiring harness from the back of the speakers. Reverse the process to install your new rear speakers.
If your talking about the door speakers then you will have to remove the door panels to get to the speakers.
To access the speakers on a 2000 Malibu, you will need to remove the door panel. You also may need tools like screwdrivers and a wire cutter to take the door panel off. Before starting any removal of the panel, you should disconnect the negative battery cable.
Remove door panels.. Unscrew old speakers..Screw in new speakers..replace door panels...ready 2 GO..
1.- remove the doors panels 2.- remove the old factory speakers
Remove the dash pad, then remove the speakers from the dash frame. For the rear speakers, open the trunk and remove the brackets, that hold the speakers in place. not for the back speakers ..you have to remove the lower rear seat then remove the seat belts then the rear seat back then remove the header panels in the back seat then remove the deck cover ..the rear speakers are bolted in from the top down under the rear deck cover....and the front speakers i believe are mounted in the door panels in the front doors ..you have to remove the door panels to remove them .some do have them in the dash also if they are there u do as the person stated before me.
One in each door have to remove door panels for access & 2 0n deck lid in trunk get acces to trunk for these speskers.
remove the door panels
There is a clip on the back side of the window crank that you have to take off, then take the door panel off.
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.