Jeep Grand Cherokee Operating Information Manual page 428

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Mileage or time passed

(whichever comes first)

Or Months: 12

Kilometers or time passed

(whichever comes first):

Replace spark plugs *

Replace accessory drive

Flush and replace the en-

gine coolant at 120 months

or 240,000 km whichever

comes first.

Inspect or change the trans-

fer case fluid if using your

vehicle for any of the follow-

ing: police, taxi, fleet, or fre-

quent trailer towing.

Change Transfer Case Fluid.

Inspect and replace PCV

valve if necessary.†

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