2007 JEEP GRAND CHEROKEE spark plugs replace

Miles 60,000 66,000 72,000 78,000
(Kilometers) (100 000) (110 000) (120 000) (130 000)
[Months] [60] [66] [72] [78]
Change the engine oil and engine oil filter. X X X X
Rotate the tires. X X X X
Check spare tire for proper pressure and correct stowage. X X X X
Inspect the engine air cleaner filter, and replace if nec-
essary.X
Inspect the PCV Valve, replace if necessary. X
Replace the spark plugs.X
Inspect the engine accessory drive belt, replace if neces-
sary.X
Flush and replace the engine coolant/anti-freeze. X
Inspect the brake linings. X
Drain the transfer case and refill. X
SCHEDULE “A” 429
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 84,000 90,000 96,000 102, 000
(Kilometers) (140 000) (150 000) (160 000) (170 000)
[Months] [84] [90] [96] [102]
Change the engine oil and engine oil filter. X X X X
Rotate the tires. X X X X
Check spare tire for proper pressure and correct stowage. X X X X
Inspect the engine air cleaner filter, and replace if nec-
essary.X
Inspect the PCV Valve, replace if necessary. X
Replace the spark plugs.X
Inspect the engine accessory drive belt, replace if neces-
sary.*X
Inspect the brake linings. X
Flush and replace the engine coolant/anti-freeze if not
replaced at 60 months.X
Drain the transfer case and refill. X
430 SCHEDULE “A”
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 108,000 114,000 120,000 126,000
(Kilometers) (180 000) (190 000) (200 000) (210 000)
[Months] [108] [114] [120] [126]
Change the engine oil and engine oil filter. X X X X
Rotate the tires. X X X X
Check spare tire for proper pressure and correct stowage. X X X X
Inspect the engine air cleaner filter, and replace if nec-
essary.X
Inspect the PCV Valve, replace if necessary. X
Replace the spark plugs.X
Inspect the engine accessory drive belt, replace if neces-
sary.*X
Inspect the brake linings. X X
Flush and replace the engine coolant/anti-freeze if not
done at 102,000 miles (170 000 km).X
Drain the transfer case and refill. X
SCHEDULE “A” 431
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 132,000 138,000 144,000 150,000
(Kilometers) (220 000) (230 000) (240 000) (250 000)
[Months] [132] [138] [144] [150]
Change the engine oil and engine oil filter. X X X X
Rotate the tires. X X X X
Check spare tire for proper pressure and correct stowage. X X X X
Inspect the engine air cleaner filter, and replace if nec-
essary.X
Inspect the PCV Valve, replace if necessary. X
Replace the spark plugs.X
Inspect the engine accessory drive belt, replace if neces-
sary.*X
Inspect the brake linings. X
Flush and replace the engine coolant/anti-freeze if not
done at 120,000 miles (200 000 km).X
Drain the transfer case and refill.X
432 SCHEDULE “A”
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Inspection............................ 65
Maintenance........................ 65,393
Pretensioners.......................... 41
Reminder............................ 181
Shoulder Belt Anchorage.................. 40
Seats................................. 99
Adjustment........................... 99
Cleaning............................ 391
Easy Entry........................... 110
Head Restraints....................... 102
Heated............................. 102
Lumbar Support....................... 101
Memory............................. 106
Power...........................101,102
Rear Folding......................... 104
Reclining ............................ 100
Security Alarm (Theft Alarm)............. 18,177
Selection of Oil......................363,364
Sentry Key (Immobilizer)................... 15Sentry Key Programming................... 17
Sentry Key Replacement................... 17
Service Assistance....................... 444
Service Contract......................... 446
Service Engine Soon Light
(Malfunction Indicator).................... 175
Service Manuals........................ 448
Setting the Clock..................201,215,221
Shifting ............................... 253
Automatic Transmission................. 253
Shoulder Belts........................... 35
Signals, Turn................... 117,175,403,404
SmartBeams........................... 115
Snow Chains (Tire Chains)................. 294
Snow Plow............................ 336
Spare Tire............................. 340
Spark Plug Wires (Ignition Cables/Wires)...... 367
Spark Plugs............................ 367
Specifications
Fuel (Gasoline)........................ 305
466 INDEX