The 2001 Chevrolet Blazer doesn't have a cabin filter.
Check under vehicle follow the fule line from the tank
It most certainly can. If in doubt, replace the filter.
You don't clean them - you replace them.
behind the frunt bumper
The oil pressure switch on a 1998 Chevy Blazer is on the side of the engine block. It is located above the oil filter.
read the manual
On the fuel line going to the carburetor.
Fuel filter on a 1996 S 10 Blazer is located on the inside of frame rail just under the drivers side door.
how to replace a heater core in a 1997 Chevy blazer
Where is the horn located on a 1993 chevy blazer
under the drivers side on the frame