Jeep 2004 Grand Cherokee - Manual (Page 301)

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