GW4B15D engine
The GW4B15D engine is fitted to 1 generation(s): Haval Jolion.
Common problems and what to check
Engine: GWM / Haval (1.5T, 2.0T)
- data limited; complaints about fuel dilution of oil in winter and software behavior
What to check when buying: oil level; firmware updates at the dealer.
Tip: Change oil more often than scheduled in city use.