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.
Temperature Control (Dual-Zone System)
Temperature is controlled according to position of temperature selectors (rotary knob for driver's side; slide lever for passenger's side) on A/C-heater control panel. An electric motor (air temperature actuator) is attached to each side of A/C-heater module and is used to control temperature valves based on input from temperature selectors. Temperature valves control airflow through heater core as temperature selectors are moved through their full travel.
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.