Off-road operation
Inspect frequently, service as
required– Inspect and lubricate steering linkage ball joints and
U-joints (if equipped with grease fittings).
– Replace cabin air filter (if equipped).
– Replace engine air filter.
Every 5,000 miles (8,000 km) or
6 months– Change engine oil and replace oil filter.
– Inspect wheels and related components for abnormal
noise, wear, looseness or drag.
– Rotate tires, inspect tires for wear and measure tread
depth.
Every 30,000 miles (48,000 km)– Change automatic transmission fluid (except 6R80 and
TorqShifttransmissions).
– Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles).
Every 50,000 miles (80,000 km)– Change manual transmission fluid.
– Change rear axle lubricant (E-450 and F-450/550
only).
Every 60,000 miles (96,000 km)– Change transfer case fluid (4WD vehicles).
Reset your Intelligent Oil Life Monitor™ after each engine oil and filter
change; refer to theInstrument Clusterchapter.
Exclusive use of E85 (Flex Fuel Vehicles only)
Every oil change interval– If ran exclusively on E85, fill the fuel tank full with
regular unleaded fuel.
Scheduled Maintenance Guide
350
2011 Mariner(mrn)
Owners Guide, 1st Printing
USA(fus)
