Section 1 (A/C-Heater System - Manual): Description

WARNING: This page is about a different car, the 1999 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: To avoid injury from accidental air bag deployment, read and carefully follow all SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM procedures in AIR BAG SYSTEM SAFETY article in GENERAL SERVICING.

Manual A/C-heater system is a cycling-clutch, fixed orifice tube type. Compressor operation is controlled by A/C cycling switch. A compressor pressure relief valve in compressor manifold and tube assembly protects against excessively high pressures. Fixed orifice tube is in low side refrigerant line at evaporator connection. Evaporator and heater cores are contained in a one-piece plenum assembly, mounted under instrument panel. See Fig 1.

An optional auxiliary A/C-heating system is available for self-control by rear passengers. Auxiliary unit is located of left side of vehicle between side window and floorpan, behind rear wheelwell. Both driver and rear passengers can control auxiliary unit function. Center console has ventilation system for rear passenger. Center console is supplied with air from main plenum chamber. A separate blower motor is located in center console. See Figure. Auxiliary A/C system refrigerant lines run beneath the floorpan. See Figure.

Fig 1: Identifying Front A/C-Heater System Components

Courtesy of FORD MOTOR CO.