2004 JEEP GRAND CHEROKEE spark plugs replace

Miles 84,000 90,000 96,000 102, 000
(Kilometers) (134 000) (144 000) (154 000) (163 000)
[Months] [84] [90] [96] [102]
Change the engine oil and engine oil filter. X X X X
Inspect the engine air cleaner filter, and 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 & sus-
pension ball joints.XX
Clean and lubricate the brake caliper pins. X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. Not re-
quired if previously replaced.X
Flush and replace the engine coolant if not replaced at 60
months.X
Drain and refill the automatic transmission fluid, and
change filter (4.0L Only).X
SCHEDULE ªAº 313
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 108,000 114,000 120,000
(Kilometers) (173 000) (182 000) (192 000)
[Months] [108] [114] [120]
Change the engine oil and engine oil filter. X X X
Inspect the engine air cleaner filter, and 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 & suspension
ball joints.XX
Inspect the brake linings. X
Clean and lubricate the brake caliper pins. X
Inspect and replace the drive belt if not previously replaced. X X
Drain the transfer case and refill (Selec-Trac and Quadra-Trac
Models).X
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.LThis maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty.
SCHEDULE ªAº 315
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Sentry Key............................. 12
Sentry Key Programming................... 14
Sentry Key Replacement................... 13
Service Assistance....................... 318
Service Contract......................... 320
Service Manuals........................ 324
Setting the Clock........................ 135
Shifting
Automatic Transmission................. 179
Shoulder Belts........................... 27
Signals, Turn.........................79,129
Slippery Surfaces, Driving On............... 200
Snow Chains........................... 220
Snow Plow............................ 234
Spare Tire..........................239,241
Spark Plugs............................ 261
Specifications
Fuel................................ 221
Oil ................................ 259Speed Control........................... 86
Speedometer........................... 129
Starting............................... 176
Automatic Transmission................. 176
Cold Weather......................177,178
Emergency (Jump Starting)............... 246
Engine Block Heater.................... 178
Engine Fails to Start.................... 177
Starting Procedures...................... 176
Steering
Power.............................. 266
Wheel, Tilt............................ 84
Steering Wheel Mounted Sound System
Controls............................. 160
Storage............................... 289
Storage, Vehicle......................... 289
Storing Your Vehicle...................... 289
Sun Roof.............................. 112
Sunroof Maintenance..................... 114
INDEX 341
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