Best way to access the AC compressor is through the wheel well. The panels behind the tire come off fairly easily. Depending on what is wrong with it you could replace , the clutch, with the compressor still on the car. Not an easy job but doable with the proper tools.
Not sure if you share the same compressor model, but the H6 compressor in my 1994 sedan deville is not serviceable. Remans however are available on Ebay and affordable new units can be found at RockAuto.com
definitions for cadillacs sedan deville 1994 codes
yes
The oil pressure sensor is located on the oil filter adapter on the 1994 Cadillac Sedan Deville.
The hood from your 1994 Cadillac Deville will not fit on to the 1994 Fleetwood. The 1994 Fleetwood hood is larger than the Deville hood.
tune up
r134a
18 gallons
where is water pump located
Front of engine below exhaust manifold
power control module
What is the firing order of a 4.9 lirte 1994 Cadillac Sedan Deville