ImportantMilestones assume earlier scheduled work was completed. Check service history before postponing an overdue item.
01Engine oil & filterReplace · Every 5,000 mi or 6 mo
DUE AT THIS MILEAGE100,000 mi
02Drive beltsInspect · First at 48,000 mi / 72 mo; then every 8,000 mi / 12 moReplace when cracks occur or tension is excessively reduced.
IN 4,000 MI104,000 mi
03Fuel additiveAdd · Every 8,000 mi or 12 moRecommended when TOP TIER detergent gasoline is not available.
IN 4,000 MI104,000 mi
04Battery conditionInspect · Every 8,000 mi or 12 mo
IN 4,000 MI104,000 mi
05Engine coolantReplace · First at 120,000 mi / 120 mo; then every 24,000 mi / 24 moFirst replacement differs from later replacements.
IN 20,000 MI120,000 mi
06Automatic transmission fluidReplace · Every 60,000 mi
IN 20,000 MI120,000 mi
07Brake fluidReplace · Every 48,000 mi or 48 moInspect every 8,000 miles or 12 months.
IN 44,000 MI144,000 mi
08Transfer case oilReplace · Every 72,000 miChange if the transfer case has been submerged in water.
IN 44,000 MI144,000 mi
09Rear differential oilReplace · Every 72,000 miChange if the rear differential has been submerged in water.
IN 44,000 MI144,000 mi
10Engine air cleaner filterCondition based · Replace more frequently in dust or sand
CONDITION BASEDSee OEM rule
11Spark plugsCondition based · Replace more frequently under listed severe conditions
CONDITION BASEDSee OEM rule
12Propeller shaftCondition based · Inspect more frequently under listed severe conditions
CONDITION BASEDSee OEM rule