1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 254
1997 Mercury Grand Marquis Manual
Page 254 highlights
Lubricant Specifications NOTE: Rear axle lube quantities must be replaced every 100,000 miles (160,000 km) or if the axle has been submerged in water. Otherwise, the lube should not be checked or changed unless a leak is suspected or repair required. 255
255
Lubricant Specifications
NOTE:
Rear axle lube quantities must be
replaced every 100,000 miles (160,000
km) or if the axle has been submerged
in water. Otherwise, the lube should
not be checked or changed unless a
leak is suspected or repair required.