it is almost impossible without the right tools as they are fixed into the rear axel so take it into the local Toyota dealership
You cannot remove the speaker covers. Instead you must remove both the rear seet bottom (pull up and out), and the rear seat back (undo bolts located at bottom). Once you have done this, you can lift out the rear deck including the covers, exposing the speakers.
You need to remove the rear seat to access the speakers and remove the covers.
Remove the rear speaker covers in your 1994 Chevy Cavalier. Remove the rear speaker retaining screws. Remove the wiring harness from the back of the rear speakers.
Right side (passenger side) under the cushion of the rear seat. Remove the rear cushion - there are access port covers. Remove the covers and there is the pump.
Toyota hiace 19883/83 model had drums at the rear and discs on the front. courtesy of Dranoweb.com
rip them out
The 1997 Pontiac Grand Prix rear deck speaker covers are held in place by four retaining screws. Remove the retaining screws to remove the covers.
Remove the lug nuts
You will need to remove the covers from your 1996 Integra rear speakers. Remove the speaker retaining screws. Remove the wiring harness from the back of the speakers.
Remove rear seat and panel underneath seat. How do I remove rear seat?!?!
You will need to remove the rear door speaker covers. The Chevrolet blazer speaker covers are held in place with two retaining screws. Remove the speaker retaining screws. Remove the speaker wiring harness.