2007 Jeep Wrangler Owner's Manual - Page 420

M 420 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 (135 000) [84] X X 8 Inspect the PCV Valve, and replace if necessary. Replace the spark plugs. Replace the ignition cables. 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, add as necessary. Clean and lubricate soft top zippers (if equipped). 90,000 (145 000) [90] X X X X 96,000 (154 000) [96] X X 102, 000 (164 000) [102] X X X X X X X X X X X X X X