Opel Astra 2004 1.8 petrol service and maintenance

Engine oil

Engine oil capacity: 4.3 litres (4.5 quarts)
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30

Timing belt

Manufacturers recommended timing belt replacement interval for Opel Astra 1.8 petrol is 60,000 km.

Running your car in aggressive environments (e.g. salt, sand, etc.) causes timing belt to degrade faster and reduces its lifespan; under such conditions, the belt may need to be replaced sooner.

Gearbox service

The maintenance interval (oil change, filter, if any, replacement) for Opel Astra automatic transmission is 60,000 km.
Gearbox oil specification is ATF Dexron III. Partial oil change takes 3.5 litres (3.7 quarts) of oil, while total gearbox oil capacity is 7.2 litres (7.6 quarts).

Gearbox maintenance information is provided for Aisin AW50-40LS gearbox. Before servicing, make sure your car has this particular gearbox.