Suburban 1/2 Ton 4WD V8-454 7.4L (1987)
Expansion Block/Orifice Tube: Service and Repair
Rear
Auxiliary A/C Component View
REMOVE OR DISCONNECT
1. Battery ground cable.
2. Recover refrigerant from the system.
3. Rear duct.
4. Blower motor lead.
5. Ground wire.
6. Lower to upper blower-evaporator case screws.