Engine cooling system Opel Zafira A (petrol)

Cooling system — reference data
Table 9.3.1. Basic data for control and maintenance Table 9.3.2. Tightening torques for engine threaded connections

Cooling system — technical condition check
Engine overheating can lead to serious engine failure, so it is very important to periodically check the technical condition of the cooling system. In addition...

Coolant — Replacement
The work must be carried out in accordance with the maintenance regulations (see " Periodic maintenance "). The cooling system uses a special cooling liquid...

Thermostat — Checking and Replacing
A description of the preliminary check of the thermostat is given in the section " Cooling system - technical condition check ". It is necessary to remove the...

Coolant pump — replacement
The necessity of performing this operation should be determined during the inspection of the technical condition of the cooling system (see " Cooling system -...

Electric cooling fans — checking and replacement
The necessity of performing this operation should be determined during the inspection of the technical condition of the cooling system (see " Cooling system -...

Main electric fan (installed behind the cooling system radiator)
Examination 1. Prepare the car for work (see " Preparing the car for maintenance and repair "). 2. Check the serviceability of the fuses and relays of the...

Additional electric fan (installed in front of the cooling system radiator)
Examination 1. Prepare the car for work (see " Preparing the car for maintenance and repair "). 2. Check the serviceability of the electronic unit (see above)....

Electric cooling fans — checking and replacing the additional resistor
Note: The sequence of execution is absolutely identical for all electric fans. The only difference is the number of terminals in the electric fan connector...

Electronic control unit for cooling and air conditioning system — replacement
The unit was installed on cars manufactured before 2000, equipped with an air conditioning system. A malfunction of this unit may be indicated by the...

Radiator of the cooling system — replacement
The necessity of performing this operation should be determined during the inspection of the technical condition of the cooling system (see " Cooling system -...

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