2009 Mercury Mariner Scheduled Maintenance Guide 1st Printing - Page 43

SPECIAL OPERATING CONDITIONS Extensive idling and/or low-speed driving for long distances as in heavy commercial use such as delivery, taxi, patrol car or livery Every 5,000 miles Inspect brake system Rotate tires, inspect tires for wear and measure tread depth Inspect the wheels and related components for abnormal noise, wear, looseness, or drag Lubricate control arm and steering ball joints (if equipped with zerk fittings) Every 5,000 miles or 6 months Inspect and lubricate U-joints Every 5,000 miles, 6 months or Change engine oil and replace oil filter 200 hours of engine operation Every 15,000 miles Replace fuel filter (Crown Vic, Grand Marquis, Town Car, Mustang, Ranger, F-Super Duty, Expedition EL and Navigator EL) Every 30,000 miles Change automatic transmission/transaxle fluid (not required on 6R60/6R75/TorqShift transmissions) Replace wheel bearing grease and grease seals on 4x2 front wheel bearings (if non-sealed bearings) Every 60,000 miles Replace spark plugs Change transfer case fluid As required Replace cabin air filter Special Operating Conditions & Exceptions Scheduled Maintenance 43 2009 Scheduled Maintenance Guide (smg) Scheduled Maintenance Guide USA (fus)