Repair of VAZ-2121

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.

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.

The fans of the VAZ-21214 engine cooling system rotate using two DC electric motors excited by permanent magnets

Connection diagram of the VAZ-21214 engine management system with distributed fuel injection under Euro-2 toxicity standards with controller 2123-1411020-10 (MR 7.0 type) on VAZ-21214 vehicles

If the engine does not idle, one of the reasons may be a failure of the solenoid valve

To eliminate a specific malfunction, as a rule, only partial disassembly of the carburetor is required; in this case, individual operations can be skipped