Low to High Altitude--W/Auto Trans

Fig. 38 High altitude emission control system:

3. Remove ignition coil. Reinstall coil, altitude switch and solenoid valve assembly using common bolt, Fig. 38.
4. Remove 3 rubber caps from altitude compensation air passages on carburetor. Insert 3 small rubber hoses attached to solenoid valve into these air passage pipes and secure with clips.
5. Put air cleaner back on carburetor.
6. Remove a rubber cap from air cleaner altitude compensation air pipe. Insert one large rubber hose attached to solenoid valve into altitude compensation air pipe and secure with clip.
7. Connect harness connector on altitude switch and solenoid valve assembly to body harness connector.
8. Adjust engine speed to specification.
9. Check timing.
10. Attach label.