Easiest way is to remove glove box to allow easy access to top bolts on blower motor then remove screws tilt motor down slightly and pull motor out remover blade and install onto new motor then reverse process.
replace heater core in a 1991 Chevy work truck 1500
How to remove and install the serpentine belt on 1991 Chevy Blazer with AC?
how to replace the rear seals on a 1991 Chevy S-10 pick-up truck
YES. Almost everything will interchange.
Sure, You will have to change everything,motor mounts,computer,wire harness, exhaust, etc...
YES they are the same.
YES they are the same.
$14,000
1988 to 1991 most parts are interchangeable - body styles an other things changed after 1991
1991 Chevy s10 how to replace outside window weather strip
That will be a 700R4 transmission.
YES, They are the same.