Vehicle heating and ventilation system Ford Mondeo 4

Ventilation, heating and air conditioning system
Fig. 12.1. Schematic diagram of air flow in the ventilation, heating and air conditioning system: 1 – windshield blower deflectors; 2 – air flow distribution flaps to...
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Features of the ventilation system
Outside air can enter the passenger compartment through the door windows when the windows are lowered… …and through the air blower grilles located in front of the...

Features of the heating system
Fig. 12.1. Schematic diagram of air flow in the ventilation, heating and air conditioning system: 1 – windshield blower deflectors; 2 – air flow distribution flaps to...

Features of the air conditioning system
Fig. 12.2. Schematic diagram of the refrigerant flow in the air conditioning system: 1 – combined pressure sensor; 2 – section of high pressure pipeline; 3 –...

Removing refrigerant from the air conditioning system
Before performing work involving depressurization of the air conditioning system, remove the refrigerant from the system. 1. Unscrew the threaded cap of either of the...

Replacing the sealing rings
CAUTION: Although the O-rings may look the same, only O-rings recommended for air conditioning systems must be used. Otherwise, refrigerant leakage may occur at the...

Air conditioning compressor
Fig. 12.4. Electromagnetic clutch of the compressor drive: 1 – elastic element of the disk; 2 – clutch pressure plate; 3 – driven clutch disc; 4 – bearing; 5 – inner...

Removing and installing the compressor
You will need: keys "10", "13". 1. Remove the refrigerant from the air conditioning system ( see Removing refrigerant from the air conditioning system ). Place the...

Replacing the drive pulley bearing
The pulley has a double-row ball bearing that does not require adjustment or lubrication during operation. When pressed out, the bearing is destroyed, so press it out...

Replacing the compressor clutch solenoid
You will need: a 14 mm wrench, special pullers for removing the pressure plate and compressor pulley, and a tester. 1. Remove the refrigerant from the air conditioning...

Removing and installing the condenser
You will need: all the tools to remove the engine cooling system radiator, as well as a 12 mm wrench. 1. Place the car on an inspection ditch. Disconnect the wire from...

Replacing the filter element of the receiver-dryer
In case of repair or replacement of air conditioning system elements, if the air conditioning system was in an open state (some units were removed, pipelines were...

Replacing the cabin air filter
The manufacturer prescribes replacing the cabin filter of the heating and air conditioning system after 20 thousand km of mileage or every 2 years (depending on which...

Removal and installation of the ventilation, heating and air conditioning system control unit
You will need: flat- and Phillips-head screwdrivers, TORX T20 key. 1. Disconnect the wire from the negative terminal of the battery. 2. Remove the top trim panel of the...

Replacing the pressure sensor
The sensor is screwed onto the threaded pipe fitting through a shut-off valve. Therefore, when removing the sensor for inspection or replacement, there is no need to...

Removing and installing the solar light sensor
The sun irradiance sensor and the cabin air temperature sensor are combined into a common housing A, located on the upper part of the instrument panel near the...

Replacing the outside air temperature sensor
The outside air temperature sensor, although located at the front of the car behind the radiator grille in a place protected from sunlight and ventilated, is subject to...

Activation of the on-board diagnostic system
Fig. 12.5. Automatic climate control system unit panel: 1 – regulator of air temperature entering the driver"s area; 2 – button to increase the intensity of air supply...

Reading recorded fault codes
On the climate control unit, press buttons 10 and 13 simultaneously for no more than 2 seconds, then press button 12 within 1.5 seconds. The stored faults are displayed...

Reading the software version number
On the climate control unit, simultaneously press buttons 10 and 13 for no more than 2 seconds, then press button 9 within 1.5 seconds. The software version is displayed...