I have a 99 century limited(leather seats) on which i replaced both rear speakers, and I believe the 2003 model would be almost identical. It may be a bit of a stretch, so I would do some more research, but i know for my 99, i had to take the seat apart to get the speakers out. You CANNOT get to them through the trunk or by removing the speaker grilles, because the grilles are riveted/glued in place and are not designed to be detachable. I have a detailed, step-by-step how-to for getting everything apart under the question, = How do you remove 1999 Buick Century Limited rear deck speakers that apparently are now defective because the bass is now buzzing with distortion in both? = so everything you need should be there. hope that helps!
The front door speakers in a 2003 buick century are 5 1/4 inches.
The 2003 Buick LeSabre has speakers in the doors of both the driver and passenger side. These speakers are generally about 15 inches.
how can I add transmission fuel in my 2003 buick century
Drain the radiator. Remove the top radiator hose on the 2003 Buick Century. Unbolt the hose inlet. Remove the inlet housing and take out the thermostat. Replace the thermostat, install the housing and top hose, and refill with antifreeze.
The 3.1 litre V6 engine in a 2003 Buick Century has a timing CHAIN
2003 buick century wheel stud size = 12mm x 1.5
Remove the covers from your 2003 Chevrolet Avalanche speakers. Remove the speaker retaining screws. Remove the wiring harness from the back of the speakers. Reverse the process to install the new speakers.
No
pull it out
The 3.1 liter V6 in a 2003 Buick Century has a timing CHAIN
Yes
If they have the same bolt pattern then they will fit.