Cooling, heating and ventilation Mazda 626 (6)

Technical data of the cooling and ventilation system
Basic data Radiator cap release valve pressure: 0.93-1.23 bar Thermostat: Temperature at the beginning of opening is 80.6-84.6°C Fully open temperature: 95.8°C...

General information about the cooling and ventilation system
Engine cooling system All vehicle models described in this manual have a closed, positive-pressure cooling system with two thermostat-controlled coolant circuits (figure...

Coolant — basic information
Caution! Avoid contact with interior trim or painted surfaces of the vehicle. If contact occurs, rinse off coolant immediately with plenty of water. Antifreeze is very...

Thermostat — checking and replacing
Caution! Do not remove the radiator cap, drain the coolant, or disassemble the thermostat until the engine has completely cooled down. Examination 1. Before checking the...

Cooling system fans and their circuits — inspection and replacement
Caution! To avoid injury, do not touch the fan blades with your hands, as the fan may start at any time! Examination 1. Models equipped with air conditioning have two...

Radiator and expansion tank — removal and installation
Caution: Do not begin this work until the engine has cooled down. Expansion tank 1. Disconnect the hose from the expansion tank neck that connects it to the radiator....

Water pump — checking
1. Failure of the water pump can lead to serious engine damage due to overheating. If the pump is faulty, replace it with a new or refurbished one. 2. Remove the timing...

Water pump — replacement
1. Disconnect the negative cable from the battery. Caution: If your vehicle's audio system is equipped with a theft deterrent, make sure you have the unlock code before...

Coolant Temperature Indicator Sensor — checking and replacing
Caution! Do not start this operation until the engine has cooled down completely. Examination 1. If the coolant temperature indicator on the instrument panel does not...

Oil Heat Exchanger (V-Type Engines) — removal and installation
1. The oil heat exchanger on V-shaped engines is installed between the oil filter and its base. The cooling system fluid is pumped through the heat exchanger via two...

Heater Fan and Circuit — checking
1. If the heater fan does not work, first check all its connectors to see if they are loose or if there is corrosion on the contacts. Make sure the battery is fully...

Heater Fan — removal and installation
Caution! The models described in this manual are equipped with air bags. When working in the airbag area, always turn them off ( see chapter 12 ) to avoid accidental...

Heating and air conditioning control panel — removal and installation, cable adjustment
Caution! The models described in this manual are equipped with air bags. When working in the airbag area, always turn them off ( see chapter 12 ) to avoid accidental...

Heater radiator — replacement
Attention! The models described in this manual. equipped with airbags. When working in the airbag area, always turn them off ( see chapter 12 ) to avoid accidental...

Air conditioning and heating system — inspection and maintenance
Air conditioning system 1. To ensure that the air conditioning system is fully operational, the following checks should generally be performed: a) Inspect and check the...

Air Conditioning Compressor Clutch Circuit — check
1. Correct operation of the compressor clutch is the basis for the correct operation of the air conditioning system. If the system does not produce cold, first check the...

Air Conditioning Receiver/Dryer — removal and installation
Caution! The air conditioning system is under excess pressure. Do not disconnect the system lines until the system is discharged. The refrigerant must be properly...

Air conditioning compressor — removal and installation
Caution! The air conditioning system is under excess pressure. Do not disconnect the system lines until the system is discharged. The refrigerant must be properly...

Air conditioning condenser — removal and installation
Caution! The air conditioning system is under excess pressure. Do not disconnect the system lines until the system is discharged. The refrigerant must be properly...

Air conditioning evaporator — removal and installation
Caution! The models described in this manual are equipped with air bags. When working in the airbag area, always turn them off ( see chapter 12 ) to avoid accidental...

Air conditioning system expansion nozzle (diffuser) — removal and installation
Caution! The air conditioning system is under excess pressure. Do not disconnect the system lines until the system is discharged. The refrigerant must be properly...

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Capella 5 (1991-1997)