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Engine cooling device and replacement of coolant VAZ-2121

Cooling system – liquid, closed type, with forced circulation

The tightness of the system is ensured by valves in the expansion tank plug.

Design and replacement of the VAZ-2121 thermostat

The thermostat with a solid heat-sensitive filler has a main and bypass valve

Begins opening of the main valve at a coolant temperature of 79–82 °C, the stroke of the main valve is at least 6 mm.

How to replace the radiator and expansion tank of a Niva car

We remove the radiator and expansion tank for replacement, as well as for repair and washing

During operation, the radiator honeycombs become clogged with deposits.

  1. Removing the VAZ-21214 radiator blower electric motor
  2. VAZ-21214 engine control system diagram
  3. Checking and replacing the carburetor solenoid valve on a VAZ-2121
  4. Repair of carburetor 21073-1107010 for Niva VAZ-2121
  5. How to remove the carburetor of a VAZ-2121 car
  6. How to adjust the carburetor 21073-1107010 of a Niva VAZ-2121
  7. How to replace the air filter of a VAZ-2121 engine

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