Jeep 2008 Grand Cherokee - Manual (Page 448)

Perform Maintenance Every (Where time and mile-
age are listed, follow the interval that occurs first.)
Maintenance Items Miles Kilometers or Months
Check the PCV valve, replace if necessary. Perform the first in-
spection at 60,000 miles (100 000 km) or 60 months.
30,000 50 000 30
Inspect the transfer case fluid. 30,000 50 000 30
Replace the top row of spark plugs (4.7L Only). ** 30,000 50 000 30
Replace the spark plugs (3.7L/5.7L Engines). 30,000 50 000 30
Change the automatic transmission fluid & filter if using your vehicle
for any of the following: police, taxi, fleet or frequent trailer towing.
60,000 100 000 60
Change the transfer case fluid if using your vehicle for any of the
following: police, taxi, fleet, off-road or frequent trailer towing.
60,000 100 000 60
Flush and replace the engine coolant. 102,000 170 000 60
Replace the ignition cables (4.7L Only). 102,000 170 000 102
Replace the side row of spark plugs (4.7L Only). ** 102,000 170 000 102
Change the automatic transmission fluid & filter. 120,000 200 000 120
Replace accessory drive belt(s) (3.7L/4.7L/5.7L Engines). 120,000 200 000 120
448 MAINTENANCE SCHEDULES
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