1967 Buick Automatic Climate Control (ACC) System Manual

This manual covers the second type of the Automatic Climate Control (ACC) system on 1967 Buick 45000, 46000, 48000 and 49000 series cars. The system measures outside, in-car and duct temperature with three sensors and uses vacuum and a temperature door actuator to run the blower, air doors and temperature door. The book has four divisions: specifications and adjustments, description and operation, service procedures, and trouble diagnosis. It refers to the 1967 Buick Chassis Shop Manual for the ordinary heater and air conditioner components.