1997 Mercury Mountaineer Scheduled Maintenance Guide 1st Printing - Page 41
1997 Mercury Mountaineer Manual
Page 41 highlights
Severe duty schedule (2) If you operate your vehicle off road in water that is deeper than the hubs (1⁄2 wheel height)then these items must be serviced daily. (3) City delivery vehicles and other unique applications that require constant turning may need morefrequent tire rotation. You may need to develop your own tire rotation interval based on your ownobservations of tire wear. If in doubt, see your dealer. (4) Wheel lug nuts must be retightened to proper torque specifications at 800 km (500 miles) of newvehicle operation [100 miles (160 km) and 500 miles (800 km) for vehicles equipped with dual rear wheelsor equipped for snowplowing]. Proper torque specifications are provided in your Owner Guide. Alsoretighten to proper torque specification at 500 miles (800 km) after (1) any wheel change or (2) any othertime the wheel lug nuts have been loosened. (5) At 60,000 miles (96,000 km) your dealer will replace the PCV valve at no cost except on Canadianand California vehicles. 40