2004 JEEP GRAND CHEROKEE Owners Manual

²Taxi, police, or delivery service (commercial service)
²Off-road or desert driving
²If equipped for and operated with E-85 (ethanol)
fuel.
NOTE:Most vehicles are operated under the conditions
listed for Schedule ªB.º
NOTE:IfANYof these apply to you, change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first, and follow the maintenance rec-
ommendations in ªMaintenance Schedule B.º
Second is ScheduleªAº. It is for vehicles that are not
operated under any of the conditions listed under Sched-
ule ªB.º
Use the schedule that best describes your driving condi-
tions. Where time and mileage are listed, follow the
interval that occurs first.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
At Each Stop for Fuel
²Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level while
the vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
²Check the windshield washer solvent, add as required.
MAINTENANCE SCHEDULES 297
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Once a Month
²Check the tire pressure and look for unusual wear or
damage.
²Inspect the battery and clean and tighten the terminals
as required.
²Check the fluid levels of the coolant reservoir, brake
master cylinder, and transmission, and add as needed.
²Check all lights and all other electrical items for correct
operation.At Each Oil Change
²Change the engine oil filter.
²Inspect the exhaust system.
²Inspect brake hoses.
²Check the coolant level, hoses, and clamps.
²Rotate the tires at each oil change interval shown on
Schedule ªAº 6,000 miles (10 000 km) or every other
interval shown on Schedule ªBº 6,000 miles (10 000
km).
²After completion of off-road operation, the underside
of the vehicle should be thoroughly inspected. Exam-
ine threaded fasteners for looseness.
298 MAINTENANCE SCHEDULES
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Schedule ªBº
Follow this schedule if you usually operate your vehicle
under one or more of the following conditions.
²Day or night temperatures are below 32ÉF (0ÉC)
²Stop and go driving
²Excessive engine idling
²Driving in dusty conditions
²Short trips of less than 10 miles (16.2 km)
²More than 50% of your driving is at sustained high
speeds during hot weather, above 90ÉF (32ÉC)
²Trailer towing
²Taxi, police, or delivery service (commercial service)
²Off-road or desert driving
²If equipped for and operated with E-85 (ethanol)
fuel.
NOTE:IfANYof these apply to you, change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first, and follow the maintenance rec-
ommendations in ªMaintenance Schedule B.º
SCHEDULE ªBº 299
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Miles 3,000 6,000 9,000 12,000 15,000
(Kilometers) (5 000) (10 000) (14 000) (19 000) (24 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air cleaner filter, replace if nec-
essary.X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XX
Drain and refill the front and rear axles. X
Inspect the brake linings. X
Clean and lubricate the brake caliper pins. X
300 SCHEDULE ªBº
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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.LX
Replace the spark plugs.X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XXX
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 ªBº 301
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Miles 33,000 36,000 39,000 42,000 45,000
(Kilometers) (53 000) (58 000) (62 000) (67 000) (72 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air cleaner filter, replace if nec-
essary.X
Drain and refill the front and rear axles. X
Inspect the brake linings. X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XX
Clean and lubricate the brake caliper pins. X
Inspect and replace drive belt, if necessary (4.0L
Only).X
302 SCHEDULE ªBº
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Miles 48,000 51,000 54,000 57,000 60,000
(Kilometers) (77 000) (82 000) (86 000) (91 000) (96 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air cleaner filter, replace if necessary.X
Inspect the PCV Valve, replace if necessary.LX
Replace the spark plugs.X
Lubricate the upper knuckle ball stud at steering & sus-
pension ball joints.XXX
Clean and lubricate brake caliper pins. X X
Inspect the brake linings. X X
Drain and refill the front and rear axles. X 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
Inspect the drive belt and replace as needed. Not re-
quired if belt was previously replaced (4.0L Only).X
Drain and refill the transfer case fluid (Selec-Trac and
Quadra-Trac Models).X
SCHEDULE ªBº 303
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Miles 63,000 66,000 69,000 72,000 75,000
(Kilometers) (101 000) (106 000) (110 000) (115 000) (120 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air cleaner filter, replace if nec-
essary.X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XX
Inspect the brake linings. X
Clean and lubricate the brake caliper pins. X
Drain and refill the front and rear axle fluid. X
Inspect the drive belt and replace as needed. Not
required if belt was previously replaced (4.0L
Only).X
Inspect the drive belt and replace as needed (4.7L
Only).X
304 SCHEDULE ªBº
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