R 30 P/U 2WD V6-262 4.3L (1987)
2. Discharge the system.
3. Nuts from the selector duct studs projecting through the dash panel.
4. Evaporator case cover (122).
5. Inlet and outlet lines.
CAUTION: Cap open inlet line connections.
6. Expansion tube.
7. Evaporator core assembly.
INSTALL OR CONNECT
1. New core.
^ Add 90 ml (3 ounces) of clean refrigeration oil.
2. Expansion tube.
3. Inlet and outlet line.
^ Use new seals (0-rings) coated with clean refrigeration oil.
4. Bead of sealer to cover.
^ Remove old sealer before applying new bead of sealer.
5. Evaporator case cover.
6. Nuts to the studs that project into the dash panel.
7. Battery ground cable.
8. Evacuate, charge and check the system.
