Section 2 (A/C-Heater System - Manual)

WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 1987 GMC Vandura Special, 1987 GMC Vandura, 1987 GMC Suburban, 1987 GMC Safari, and 1987 GMC S15 Pickup. However, it is still accessible from the selected car via links, so may be relevant.