1998 Mercury Grand Marquis Scheduled Maintenance Guide 2nd Printing - Page 14

Severe duty schedule Items for Emission Control Service are shown in italics. For items marked with a number in parentheses such as (1), see footnote at the end of this section. Non-synthetic rear axle lubricants should be replaced every 5,000 kilometers (3,000 miles) or 3 months, whichever occurs first, during extended trailer tow operation above 21°C (70°F) ambient and wide open throttle for extended periods above 72 km/h (45 mph). The 5,000 kilometer (3,000 mile) lube change may be waived if the axle was filled with 75W140 synthetic gear lubricant meeting Ford specification WSL-M2C192-A, part number F1TZ-19580-B or equivalent. Add 118 ml (4 oz.) of additive friction modifier C8AZ-19B546-A (EST-M2C118-A) or equivalent for complete refill of Traction-Lok rear axles. The axle lubricant should be changed anytime the axle has been submerged in water. Rear axles containing synthetic lubricant are lubricated for life. These lubricants are not to checked or changed unless a leak is suspected, service required or the axle assembly has been submerged in water. The axle lubricant should be changed anytime the axle has been submerged in water. Police and taxi vehicles: Replace rear axle lubricant every 160,000 kilometers (100,000 miles). Rear axle lube change may be waived if the axle was filled with 75W140 synthetic gear lubricant meeting Ford specification WSL-M2C192-A, part number F1TZ-19580-B or equivalent. Add 118 ml (4 oz.) of additive friction modifier C8AZ-19B546-A (EST-M2C118-A) or equivalent for complete refill of Traction-Lok rear axles. The axle lubricant should be changed anytime the axle has been submerged in water. 5,000 KILOMETERS (3,000 MILES) u Change engine oil and replace oil filter. DEALER AUTHORIZATION Date: Mileage: 14