2004 Jeep Grand Cherokee Owner's Manual - Page 301

SCHEDULE "B" 301 M Miles (Kilometers) Change the engine oil and engine oil filter. Inspect the engine air cleaner filter, replace if necessary. Inspect the PCV Valve, replace if necessary. Replace the spark plugs. Lubricate the upper knuckle ball stud at steering & suspension ball joints. Drain and refill the front and rear axles. Inspect the brake linings. Clean and lubricate the brake caliper pins. Drain and refill the automatic transmission fluid, and change filter (4.0L Only). Drain and refill the automatic transmission fluid, and replace main sump filter (4.7L Only). Drain the transfer case and refill (Quadra-Trac Models Only). 18,000 (29 000) X 21,000 (34 000) X 24,000 (38 000) X 27,000 (43 000) X 30,000 (48 000) X X X X X A I N T E N A N C E S C H E D U L E S X X X X X X X X 8