Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Section 16 (Manual A/C-Heater Systems - Tribute): Description
The A/C-heater system is a blend-air type, consisting of a control panel, compressor and clutch, blower motor, evaporator core, condenser core, accumulator-drier and plenum assembly. System is controlled by a clutch cycling pressure switch and a A/C high-pressure cut-off switch. Function selector switch is a vacuum and electrical switch, which controls A/C compressor and air distribution. Temperature control switch uses a cable to control air temperature door position.
Blower motor is located in plenum assembly, under instrument panel. Plenum assembly contains evaporator core, heater core, floor/defrost door, panel/defrost door and cable operated temperature blend door. See VACUUM DIAGRAMS .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.