'99 Ford Explorer XLT four door , VIN 1FMZU34E2XZB36912, SOHC 4.0 litre, five-speed auto and 4-wheel drive. At 400 km, replaced the tires with Kumo AV Touring. It currently has about 79,000 km. At 90 kph and up there is a vibration. It is felt through the stee... Login to read more.