Volkswagen Caravelle 1990 2.5 diesel service and maintenance
88 HP, 195 Nm, Manual gearbox, Front wheel drive (FWD)
Engine oil
Engine oil capacity: 5.5 litres (5.8 quarts)
Recommended oil type (Oil Viscosity Classification SAE) is 5W-40
Timing belt
Based on practical experience, recommended Volkswagen Caravelle 2.5 timing belt change interval is 100,000 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.

Volkswagen Caravelle 1990 2.5 TDi 1998 - 2004 Volkswagen Caravelle 1990 technical data
Volkswagen Caravelle 1990 owner reviews
Always consult your vehicle manufacturer's service manual for service intervals and specifications!