speakers

car 99 altima
speakers that i have on my doors sucks on one of them is probably dead
and i dont like the ones in the back either
can any1 tell me the size of the front and back speakers
and tell me how to get to the and to the amplifier (if there is one )
and if any1 got a diagram of it

Remove the rear seat. Find the two bolts near the carpet that hold the seat bottom in place and remove the bottom. Then you will be able to see the two bolts that hold the back in place. Use a screwdriver to release the plastic clips on the package tray and remove it. Then you can get to the speakers and mounting hardware.

1998, 1999, 2000, 2001 Nissan Altima

* Radio Dash Adapter: Metra 99-7413
* Radio Wire Harness: Metra 70-7550
* Antenna Adapter: Metra 40-NI10
* Front Speakers: 6.5" (Front Door)
* Rear Speakers: 6.5" (Rear Deck)

The speaker in my left door has busted diaphragm too. My other car is Camry and it has 6 speakers and excellent sound effect. Will just getting new speakers improve the sounds or the cd player itself is crappy? Does anyone have the spec on the cd player? Also does anyone have any website which shows you how to install new speakers in the door, back, two additional small speakers and a new cd player?