1998 Nissan Frontier Owner's Manual - Page 120
1998 Nissan Frontier Manual
Page 120 highlights
MANUAL-LOCK FREE-RUNNING HUBS ● To ensure proper lubrication of front drive components, drive in the LOCK position for at least 10 miles (16 km) each month. The manual-lock free-running hubs are designed to allow you to engage or disengage the front drive shaft to the front wheels. Before driving, set the free-running hub to the desired position: SD0022 ● two-wheel operation - Turn the knob to the FREE position. ● four-wheel operation - Turn the knob to the LOCK position. Be certain to align the mark on the knob with the ● mark on the wheel hub. CAUTION ● Never drive in four-wheel drive (4H or 4L) with the free-running hubs in the FREE position. ● Do not drive your vehicle with the left and right free-running hub set to different positions. ● For the first 300 miles (483 km) it is recommended that you drive in the 2H position with the free-running hubs set in the LOCK position. Starting and driving 5-19