The speakers are installed in the rear doors.
To replace the speaker, remove the rear door trim (see Removal the rear door trim).
By pressing the lock of the wiring harness block, we disconnect it from the speaker wiring block.
Using a Phillips screwdriver, unscrew the four screws securing the speaker.
We remove the speaker with the spacer.
Using a Phillips screwdriver, unscrew the two screws
and remove the speaker from the spacer.
We remove the speaker wire block from the spacer.
We install the speaker in the reverse order.
The article was borrowed from the website CHEVYMAN.RU