2004 Jeep Grand Cherokee Owner's Manual - Page 312

M 312 SCHEDULE "A" A I N Miles T (Kilometers) E N [Months] A Change the engine oil and engine oil filter. N C Inspect the engine air cleaner filter, and replace if necE essary. S C H E D U L E S 60,000 (96 000) [60] X X X X X X X 66,000 (106 000) [66] X 72,000 (115 000) [72] X 78,000 (125 000) [78] X 8 Inspect the PCV Valve, replace if necessary. Replace the spark plugs. Lubricate the upper knuckle ball stud at steering & suspension ball joints. Inspect and replace the drive belt if necessary (4.0L Only). Not required if belt was previously replaced. Flush and replace the engine coolant. Inspect the brake linings. Clean and lubricate the brake caliper pins. Inspect transfer case fluid (Selec-Trac Models Only). Drain the transfer case and refill (Quadra-Trac Models Only). X X X X X X