2007 Jeep Liberty Owner's Manual - Page 390

M 390 SCHEDULE "A" A I N Miles T (Kilometers) E N [Months] A Change the engine oil and engine oil filter. N Rotate the tires. C E Inspect the engine air filter element, and replace if necessary. S C H E D U L E S 132,000 (220 000) [132] X X 138,000 (230 000) [138] X X 144,000 (240 000) [144] X X 8 Inspect the PCV Valve, and replace if necessary. Replace the spark plugs. Inspect the brake linings. Inspect the drive belt, and replace as needed. Not required if previously replaced. Inspect the manual transmission fluid, add as necessary. Inspect the transfer case fluid, add as necessary. Flush and replace the engine coolant/anti-freeze, if not done at 120,000 miles (200 000 km). Inspection and service should also be performed anytime a malfunction is observed or suspected. Retain all receipts. 150,000 (250 000) [150] X X X X X X X X X X X This maintenance is recommended by the manufacturer to the owner, but is not required to maintain emissions warranty.