Toyota Land Cruiser 2002 3.0 diesel service and maintenance
Engine oil
Engine oil capacity: 7 litres (7.4 quarts)
Oil change interval is 10,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30
Fuel filter
Toyota Land Cruiser 3.0 diesel fuel filter replacement interval: 20,000 km
Timing belt
Manufacturers recommended timing belt replacement interval for Toyota Land Cruiser 3.0 diesel is 150,000 km.
Based on practical experience, recommended Toyota Land Cruiser 2002 3.0 D-4D timing belt change interval is 120,000 km when belt should be replaced, or at least periodically check the belt's condition after this mileage and replace it at the first sign of damage.
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.
Engine coolant
Engine coolant (antifreeze) recommended replacement interval for Toyota Land Cruiser 3.0 diesel is 80,000 km.

Toyota Land Cruiser 2002 3.0 D-4D 2006 - 2009 Toyota Land Cruiser 2002 technical data
Toyota Land Cruiser 2002 owner reviews
Always consult your vehicle manufacturer's service manual for service intervals and specifications!