You don't. Take it to a qualified repairmen or to the dealer.
best if you take it to a shop unless you have a welder.
Take belt off water pump pulley remove fan from pump (4 bolts) remove old clutch from fan install new with same bolts Put fan back on.
Yes
A 1999 uses R134A for the air conditioning system. This is the "new" stuff that you can find at any parts store.
take it to a Chevy dealer, leave it and drive away with a new GM sensor, vehicle included
take it to a mechanic!
R-134a
2003 Dodge Durango 4.7 how many quarts does it take when you change the transmission filter the trans
Take it to your Dodge dealer!
5 quarts
THREE