ZMZ-402 engine
The ZMZ-402 engine is fitted to 3 generation(s): GAZ Volga, GAZ Volga 24, GAZ Gazelle.
Common problems and what to check
Engine: ZMZ-402/409, UMZ
- chain and hydraulic tensioner noise (ZMZ-409)
- oil leaks
- overheating
What to check when buying: chain noise when cold; oil traces.
Tip: Repairable and cheap to maintain.