2011 Mercury Grand Marquis Owner Guide 1st Printing - Page 316

Scheduled Maintenance Guide SPECIAL OPERATING CONDITIONS If you operate your Ford/Lincoln/Mercury vehicle primarily in one of the more demanding Special Operating Conditions listed below, you will need to have some items maintained more frequently. If you only occasionally operate your vehicle under these conditions, it is not necessary to perform the additional maintenance. For specific recommendations, see your Ford or Lincoln Mercury dealership service advisor or technician. Towing a trailer or using a camper or car-top carrier Inspect frequently, service as - Inspect and lubricate U-joints. required. - See axle maintenance items under Exceptions. Every 5,000 miles (8,000 km) - Rotate tires, inspect tires for wear and measure tread depth. - Inspect wheels and related components for abnormal noise, wear, looseness or drag. Every 5,000 miles (8,000 km) or - Change engine oil and replace oil filter. 6 months - Inspect and lubricate U-joints. Every 30,000 miles (48,000 km) - Change automatic transmission fluid (not required on 6R80 transmission). Every 60,000 miles (96,000 km) - Change manual transmission fluid. 316 2011 Crown Victoria (cro) Owners Guide, 1st Printing USA (fus)