6.5 front, 4x6 rear
6.5 in front and 4x6 in back
Front Speaker 6.5 4 Front Tweeter 1 1 Rear Speaker 4X6 2.5
6.5" round speakers.
The 2002 Chevrolet Silverado-2500HD runs on regular unleaded.
The 2002 Chevrolet Silverado-1500 runs on regular unleaded.
As far as I can tell the front and rear speakers are 6-3/4 in
2002 5.3 Chevy don't have egr valves factory removed them in 2002
1.- remove the doors panels 2.- remove the old factory speakers
6.5" with separate tweeters in front and 6.5" no tweeters in the rear.
The Door speakers are 6.5 inch and the speakers on dash board, I think they are 4.5, I believe.
I believe In the silverado door panel the steel mesh that surrounds the speakers should easily pop out with a flat head screw driver, then if you unscrew the four screws around the speaker you can drop them out threw the hole to work or replace them.
6 1/2 front and rear, 1" tweeters per Maxima.org