I remember a thread awhile back about this.... but I'm not sure how to take the panel out. Somebody here knows! Did you try the search function?

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2001 SE 5-spd. w/PP Granite

Minor cosmetic mods....
HID-look headlamps & hyperwhite fogs. Autozone rubber antenna, blue aluminum valve stem caps. (not much...but it's a start!)
Lots of mods planned...waiting for the $$$$$$$$$$$$$$$$$!

 

If you're talking about the front doors then I have the answer. I'm pretty sure this was mentioned before but I'll post to save time.
1. remove plastic trim ring around the chrome lever that opens the door.
2. unsnap the power window/lock piece - use extreme caution!
3. unsnap armrest and remove the two screws that are behind it.
4. Any other plastic "screw" looking fasteners that hold the door from the outside need to be removed.

The door is just clipped in. Start from the bottom and pull the door panel off.
Hope this helps

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97 nissan 240 se, stock (for now) except for custom sounds.
01 nissan sentra se/pp, stock (my girl's car).

 

thx everyone~ i'd try to do it later~ =)

 

i've taken off the door panel and noticed that the clips r not snapped on properly and fixed the tapping noise! thx everyone! ppl in this forum r way cool!