NakedJeep.com

The digital garage of my 1998 Jeep Wrangler.

Maintenance Schedule

Schedule A - Normal On-Road Operation

To Top Emission Control System Maintenance

Tasks listed in modified type are part of the emission control systems and must be done at the mileage specified in order to assure proper operation of the system.


7,500 miles / 12,000 km / 6 months

  • Change engine oil
  • Replace engine oil filter

15,000 miles / 24,000 km / 12 months

  • Change engine oil
  • Replace engine oil filter
  • Lubricate steering linkage and suspension ball joints

22,500 miles / 36,000 km / 18 months

  • Change engine oil
  • Replace engine oil filter
  • Inspect brake shoes & pads

30,000 miles / 48,000 km / 24 months

  • Change engine oil
  • Replace engine oil filter
  • Replace engine air filter
  • Replace spark plugs
  • Inspect / adjust drive belt(s)
  • Lubricate steering linkage and suspension ball joints
  • Drain and refill transfer case

37,500 miles / 60,000 km / 30 months

  • Change engine oil
  • Replace engine oil filter
  • Drain and refill automatic transmission
  • Replace automatic transmission filter
  • Drain and refill manual transmission

45,000 miles / 72,000 km / 36 months

  • Change engine oil
  • Replace engine oil filter
  • Lubricate steering linkage and suspension ball joints
  • Inspect brake shoes & pads
  • Flush and replace engine coolant at 36 months regardless of mileage

52,500 miles / 84,000 km / 42 months

  • Change engine oil
  • Replace engine oil filter

60,000 miles / 96,000 km / 48 months

  • Change engine oil
  • Replace engine oil filter
  • Replace engine air filter
  • Replace spark plug wires
  • Replace spark plugs
  • Inspect / adjust drive belt(s)
  • Lubricate steering linkage and suspension ball joints
  • Drain and refill transfer case

67,500 miles / 108,000 km / 54 months

  • Change engine oil
  • Replace engine oil filter
  • Inspect brake shoes & pads

75,000 miles / 120,000 km / 60 months

  • Change engine oil
  • Replace engine oil filter
  • Lubricate steering linkage and suspension ball joints
  • Drain and refill automatic transmission
  • Replace automatic transmission filter
  • Drain and refill manual transmission

82,500 miles / 132,000 km / 66 months

  • Change engine oil
  • Replace engine oil filter

90,000 miles / 144,000 km / 72 months

  • Change engine oil
  • Replace engine oil filter
  • Replace engine air filter
  • Replace spark plug wires
  • Inspect / adjust drive belt(s)
  • Lubricate steering linkage and suspension ball joints
  • Flush and replace engine coolant if it has been 36 months, 45000 miles or 72500 km since last change
  • Drain and refill transfer case
  • Inspect brake shoes & pads

97,500 miles / 156,000 km / 78 months

  • Change engine oil
  • Replace engine oil filter
  • Lubricate steering linkage
  • Flush and replace engine coolant if it has been 36 months, 45000 miles or 72500 km since last change

105,000 miles / 168,000 km / 84 months

  • Change engine oil
  • Replace engine oil filter
  • Lubricate steering linkage and suspension ball joints

112,500 miles / 180,000 km / 90 months

  • Change engine oil
  • Replace engine oil filter
  • Drain and refill automatic transmission
  • Replace automatic transmission filter
  • Drain and refill manual transmission
  • Inspect brake shoes & pads

120,000 miles / 192,000 km / 96 months

  • Change engine oil
  • Replace engine oil filter
  • Replace engine air filter
  • Replace spark plug wires
  • Replace spark plugs
  • Inspect / adjust drive belt(s)
  • Lubricate steering linkage and suspension ball joints
  • Drain and refill transfer case
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