2005 Mercury Sable Scheduled Maintenance Guide 4th Printing - Page 43

SPECIAL OPERATING CONDITIONS Operating in dusty conditions such as unpaved or dusty roads Every 3,000 miles or 3 months Change engine oil and replace oil filter Every 15,000 miles Replace fuel filter Every 30,000 miles Change automatic transmission/transaxle fluid Check air filter restriction gauge, replace filter as required (Focus only) Every 50,000 miles Change rear axle lubricant (E450 and F450/550 only) Every 60,000 miles Change transfer case fluid As required Replace engine air filter As required Replace cabin air filter (if equipped) Off-road operation Every 15,000 miles Lubricate 4X4 front hub needle bearings (Excursion) Every 30,000 miles Change automatic transmission/transaxle fluid Every 50,000 miles Change rear axle lubricant (E450 and F450/550 only) Every 60,000 miles Change transfer case fluid As required Replace cabin air filter (if equipped) As required Inspect and lubricate U-joints As required Inspect and lubricate steering linkage ball joints with zerk fittings Use of E85 50% of the time or greater (flex fuel vehicles only) Every 3,000 miles or 3 months Change engine oil and replace oil filter Special Operating Conditions & Exceptions Scheduled Maintenance 43 Special Operating Conditions & Exceptions