Mazda 626

1991-1998 of release

Repair and operation of the car

Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
- 4. Heating and ventilation
   4.1. Introduction
   4.2. Technical characteristics
   4.3. Thermostat
   4.4. The cooling fans
   4.5. Radiator and broad tank
   4.6. Water pump
   4.7. Sensor of temperature of cooling liquid
   4.8. Oil heater of the engine (6-cylinder models)
   4.9. Electric chain of the motor of the delivery fan
   4.10. Motor of the delivery fan
   4.11. Control unit of a heater and air conditioner
   4.12. Heater radiator
   + 4.13. Systems of air conditioning and heating
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Transmissions
+ 8. Coupling and half shafts
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electrical circuitries
+ 14. Useful tips


4.5. Radiator and broad tank


Radiator cover arrangement

In 4-cylinder models the cover of a radiator is located on the right side, directly on a radiator, and the top hose is located on the left side. In 6-cylinder engines the cover is located at the left on a broad tank.


The engine has to cool down completely.

Removal and installation

Broad tank
1. Disconnect perepuskny a radiator hose from a broad tank.
2. Unscrew an assembly bolt of a broad tank (it is specified by an arrow).
3. Unscrew two bolts in the lower part of office of the engine (are specified by shooters). Remove a tank. Merge cooling liquid in suitable capacity and examine a tank on existence of cracks.
4. Disconnect a wire of the minus plug of the accumulator.
5. Merge cooling liquid.
6. Remove the cooling fans.
7. Disconnect a perepuskny tube of a broad tank, weaken clips of hoses of a radiator, unscrew blota (V) and remove top (C) and lower radiator hoses.
8. Disconnect hoses (are specified by shooters) from the oil heater and close hoses covers.
9. Unscrew radiator bolts (are specified by shooters) and remove it.
10. Examine a radiator on existence of traces of leak and damages. Check whether internal channels of a radiator are blocked. If necessary the radiator needs to be repaired in a specialized workshop.
11. Compressed air clean dirt and the insects who got stuck between radiator edges.
12. Installation is carried out upside-down removals.

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