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.
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HOMESERVICE MANUALSFORD2010FOCUS S, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1017 (HVAC CONTROL SYSTEM)
2010 Ford Focus S, Standard
Section 1017 (HVAC Control System)
2010 Ford Focus S, StandardSECTION Section 1017 (HVAC Control System)
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Air Conditioning
- Air Conditioning System Overview
- A/C Compressor and Clutch Assembly
- Thermal Protection Switch (Hybrid Only)
- A/C Condenser
- Evaporator Core
- Thermostatic Expansion Valve (TXV)
- Receiver/Drier
- Evaporator Discharge Air Temperature Sensor
- Dual-Function Pressure Switch
- Low-Charge Protection Switch
- Passenger Zone Valve (Hybrid Only)
- Battery Zone Valve (Hybrid Only)
- Service Gauge Port Valves
- Refrigerant System Dye
- Refrigerant Line Fittings
- Air Distribution and Filtering
- Control Components
- Heating and Ventilation
- Air Conditioning
- Removal And Installation
- Air Conditioning (A/C) Compressor - 2.3L
- Air Conditioning (A/C) Compressor - 3.0L (4V)
- Air Conditioning (A/C) Compressor - Hybrid
- Air Conditioning (A/C) Evaporator Discharge Air Temperature Sensor
- Air Conditioning (A/C) Pressure Relief Valve - 2.3L, 3.0L (4V)
- Ambient Air Temperature Sensor
- Auxiliary Coolant Flow Pump
- Blower Motor
- Blower Motor Resistor
- Blower Motor Speed Control
- Clutch and Clutch Field Coil - 2.3L, 3.0L (4V)
- Clutch and Clutch Field Coil - Hybrid
- Compressor Manifold and Tube Assembly - Hybrid
- Compressor to Condenser Discharge Line - 2.3L
- Compressor to Condenser Discharge Line - 3.0L (4V)
- Condenser Core - 2.3L, 3.0L (4V)
- Condenser Core - Hybrid
- Condenser to Receiver Drier Line
- Evaporator Inlet Line - 2.3L, 3.0L (4V)
- Evaporator Inlet Line - Hybrid
- Evaporator Outlet Line - 2.3L, 3.0L (4V)
- Evaporator Outlet Line - Hybrid
- Footwell Duct - Rear
- Heater Core
- Heater Core And Evaporator Core Housing
- Heating Ventilation Air Conditioning (HVAC) Module
- In-Vehicle Temperature and Humidity Sensor
- Mode Door Actuator - Air Inlet Door
- Mode Door Actuator - Defrost/Panel/Floor Door
- Passenger Zone Valve
- Receiver Drier - 2.3L, 3.0L (4V)
- Receiver Drier - Hybrid
- Register - Center
- Register - Driver Side
- Register - Passenger Side
- Temperature Blend Door Actuator - LH
- Temperature Blend Door Actuator - RH
- Thermostatic Expansion Valve
- Disassembly And Assembly
RENDER: 1.0x
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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.