J20A engine
The J20A engine is fitted to 1 generation(s): Suzuki Grand Vitara.
Common problems and what to check
Engine: Suzuki J20A/J24B (2.0–2.4)
- timing chain stretch at high mileage
- oil leaks from the valve cover gasket and seals
What to check when buying: chain noise when cold; oil traces on the engine.
Tip: Oil every 7–10k km; check the chain after 150k km.