Land Rover state in their service schedule that the oil in the automatic gearbox should be changed at 150,000 miles or 10 years. Mine has done 115,000 miles and the gearbox requires an expensive rebuild due to oil failure. Gearbox experts say that ideally the oil in that gearbox should be changed every 30,000 miles and will rarely last more than 70,000 miles without causing damage. Could I ask Land Rover to pay the full amount due to their somewhat unrealistic expectation and take them to the small claims court if they refuse to pay?