The VAZ-2123 uses headlight assemblies that combine low and high beam headlights (with single-filament lamps) and direction indicators.
Front door electric windows are included in some models of cars
The thermostat may need to be removed to replace it if the engine temperature is unstable - overheating or insufficient heating
The hydraulic unit structurally consists of an electronic control unit (ECU) and a hydraulic modulator containing electromagnetic valves (EMV), a return pump and an electric motor of the return pump
If the engine cylinder head installed on the vehicle needs repair, remove it as described in the article "Replacing the Niva Chevrolet Cylinder Head Gasket"
Each diagnostic chart consists of two pages: "Additional information" and "Troubleshooting chart"
If during bridge diagnostics we find that the radial clearance in the inner joint housing bearings exceeds 0.05 mm, then the bearing must be replaced