The bolt to passenger side airbag on 2002 avalanche are located on the bottom of the airbag.
You will need to jack up passenger side and remove passenger front wheel. From above remove belt tension bolt. underneath remove bottom bolt, disconnect wiring. wiggle out from above.
Its on the passenger side of engine around the timing area... 10mm bolt... and a clip connector
I have a 2002 Vue and the bolt pattern is 5x115.
Richard Bolt died in 2002.
Remove bolt on top of headlamp assembly. Gently pry and pull assembly straight out. Bulb can now be acessed.
There are two small bolts on the side that hold in the airbag, remove those and the airbag will come out, revealing a T60 (IIRC) bolt in the center.
M14x1.5
5X135MM
5x100
2002
It is located on the passenger side of the engine, below the upper radiator hose, behind the engine mount bracket. It has a three wire electrical plug, and is held in with one bolt.
The bolt pattern for a 2002 Blazer xtreme would be the same as any other blazer or s-10 5x4.75