car GAZ-2705
Place a container for used oil under the engine crankcase
Unscrew the plug and drain the oil from the crankcase
The engine must be thoroughly cleaned of dirt before disassembly
Replacement of valve stem seals ZMZ-406, ZMZ-40522, ZMZ-40524
It is prohibited to coast the car with the ignition off, as this stops the operation of the power steering (power steering), and you can also accidentally lock the steering shaft with an anti-theft device, and the car will become uncontrollable
Diagram of the engine control system with mass air flow sensor HFM-4.7 0280218037 “BOSCH”
ZMZ-405 engine control system diagrams may differ depending on which mass air flow sensor is installed
Since the hydraulic tensioners keep the chains constantly taut, regardless of chain stretch or shoe wear, there is no need to adjust the chain tension during operation
Remove the heater valve if a coolant leak appears
We remove the electric pump of the additional heater to access the tap during replacement, and if the pump itself malfunctions
