engines
The piston pin is installed with an interference fit in the upper head of the connecting rod and rotates freely in the piston bosses.
The engines are equipped with SMP pistons.
Remove
Remove the accessory drive belt.
Remove the crankshaft pulley.
Rotate the crankshaft so that the pistons are below the carbon deposit zone above the piston ring travel zone.
If a malfunction occurs during the operation of the bus (lighting up, flashing the diagnostic lamp of the "COMMON RAIL" system), it is necessary to diagnose the "COMMON RAIL" system using the diagnostic lamp and the diagnostic key and eliminate the identified malfunctions
Below are the catalog numbers of the original spare parts that are most in demand during maintenance and repair of the engine.
A worn/poorly installed belt and tensioner or a misaligned pulley can cause the belt to come off
We remove the cylinder head for repair, to replace the gasket under the head and for a complete engine overhaul.
Usually, we start checking and replacing hydraulic pushers when increased engine noise occurs.
This is usually a ringing sound at the top of the engine.
After removing the engine from the car, install it on the stand.
Displaying fault codes
To display fault codes, turn off the engine, turn the ignition switch to the “I” position and turn on the diagnostic mode with the diagnostic test switch.
Since 2015, the VAZ-2123 car has been equipped with an electronic engine control system with a controller ME17.9.71 2123-1411020-50 to comply with EURO-5 toxicity standards.
