2006 Jeep Wrangler Owner's Manual - Page 336

M 336 SCHEDULE "A" A I N Miles T (Kilometers) E N [Months] A Change the engine oil and engine oil filter. N C Rotate the tires. E Inspect the engine air filter element, and replace if necessary. S C H E D U L E S 84,000 (140 000) [84] X X 8 Inspect the PCV Valve, and replace if necessary. Replace the spark plugs. Lubricate the steering linkage joints and outer tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Inspect the drive belt, and replace as needed. Not required if previously replaced. Flush and replace the engine coolant/anti-freeze if not done at 60 months. Inspect the manual transmission fluid, add as necessary. Inspect the transfer case fluid. X X 90,000 (150 000) [90] X X X X X X X X 96,000 (160 000) [96] X X 102, 000 (170 000) [102] X X X X X X X X X