
We replace the gasket due to a leak of coolant or engine oil at the junction of the block head with the cylinder block.

The head cover of the engine block is reinforced with a gum gasket.
Bolts for fastening the fire nozzles are also reinforced with humic rings

We replace the chain when it is stretched and remove it when repairing the engine.
To replace the chain, you need to remove the engine from the GAZelle NEXT car

The need to adjust the clearances in the valve drive is evidenced by a distinct loud knock heard when the engine is idling from the driver's seat with the hood closed