It will vary depending on the year of the Volvo V90. However, here is the general procedure for Volvo V90 tail light bulb replacement: Purchase the correct replacement tail light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the tail light bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
you don't replace the tail light you just replace the bulb in it
shutup
For the Buick Skylark: You would go in through the trunk and remove the attaching hardware for the tail light assembly. After the tail light assembly is off, replace the bulb, and put the assembly back on. For the Volvo: you will either need to remove the outer casing to access the bulb OR go through the trunk and access the bulb through the package tray.
This is because the tail light bulb has a different element in the bulb. Just replace the bulb and that will fix the problem.
Remove tail light housing. Remove lamp. Replace lamp. Replace tail light housing.
Replace the light bulb. Tail lights are usually dual filament, 2 filaments in one bulb.
take it to chevy
Turn you high beams on and check your tail light. If its brighter, you have a head light bulb as a tail light bulb. 97-02 are the only ones that should do this. Find a tail light bulb and replace.(I couldn't believe it either).
Remove carpet inside trunk that covers tail ligh assembly, then unbolt tail light assembly, remove the assembly and bulb fixture of the bulb you want to replace, replace bulb and re-install in reverse order.
Forget it. I figured it out.
remove tail light, remove burnt bulb, replace burnt bulb, test if it works, then put tail light back on....
Bulb is blown. Replace bulb.