Car air conditioner and heater Mazda 3 (BK)

Air Conditioner and Heater — Description
Mazda 3 cars are equipped with an air conditioning system with automatic control. The air conditioning system uses a full-flow aluminum heater radiator with linear...

Safety precautions when handling refrigerant
Handling refrigerant Do not inhale air conditioner refrigerant or lubricant vapors. May cause irritation to eyes, nose and throat. In addition, for environmental...

Air filter
The car is equipped with an air filter that can deodorize the air and clean it from pollen and dust. The air filter consists of a deodorizer surrounded by a dust filter....

Air conditioning system unit
The air conditioning system unit combines cooling and heating units. Operation of the heater control flap Fig. 8.62. Operation of the heater control flap: 1 – air flow;...

Evaporator — description and operation
A new type of evaporator is used, which combines a multi-flow evaporator (consisting of a condensation element and a supercooling element) and a gas-liquid separator...

Expansion valve — description and operating principle
The expansion valve provides a sharp reduction in the pressure of the liquid refrigerant. In this case, the refrigerant is atomized, which facilitates the evaporation...

Air Conditioner Condenser — Description
A condenser with additional cooling is used. This is a multi-flow condenser, which is equipped with an additional cooling element and is combined with a...

Checking the heater radiator
Remove the air conditioning unit. Remove the air conditioning unit heater radiator. Check for cracks, damage and coolant leaks. If any faults are detected, replace the...

Removal and installation the rear air duct
Turn over the front floor covering. Remove the rear air duct (right side). Remove the rear air duct (left side). Fig. 8.67. Rear air duct: 1 – rear air duct (right...

Removal and installation the air conditioning compressor
Disconnect the negative cable from the battery. Discharge the refrigerant. Remove the right mudguard and splash guard. Loosen the drive belt tension and remove the belt....

Disassembly and assembly of the overrunning clutch
Fig. 8.69. Disassembling the overrunning clutch: 1 – bolt; 2 – pressure plate; 3 – gasket; 4 – retaining ring; 5 – Air conditioning compressor pulley; 6 – screw; 7 –...

Adjusting the overrunning clutch
Fig. 8.73. Measuring the circumferential clearance between the pressure plate and the compressor pulley Measure the circumferential clearance between the pressure plate...

Checking the overrunning clutch
Fig. 8.75. Schematic diagram of voltage supply from the positive terminal of the battery to terminal A of the magnetic clutch Apply voltage from the positive terminal of...

Removal, installation and checking the capacitor
Fig. 8.77. Capacitor: 1 – cooler hose No.1; 2 – cooler hose No.2; 3 – capacitor Removal Disconnect the negative cable from the battery. Discharge the refrigerant. Drain...

Removal and installation refrigerant lines (LF)
Fig. 8.78. Coolant line of Mazda 3: 1 – Cooler tube No.1; 2 – cooler tube No.2; 3 – cooler tube No.3; 4 – cooler tube No.4; 5 – cooler hose (upper); 6 – cooler hose...

Air Conditioning System Troubleshooting Guide
Table 8.1. Air conditioning system troubleshooting index

This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

More sections on repairs of other Mazda models
• Electrical equipment: Heating system Mazda Familia 6 (1989-1994)

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Mazda3 BK (2003-2009)