2007 JEEP LIBERTY 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
Inspect the engine air filter element, and replace if nec-
essary.X
Inspect the PCV Valve, and replace if necessary. X
Replace the spark plugs.X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. X
Inspect the drive belt, and replace as needed. Not re-
quired if belt was previously replaced.X
Flush and replace the engine coolant/anti-freeze. Where
both time and mileage are indicated, follow the interval
which occurs first.X
Inspect the manual transmission fluid, add as necessary. X
Inspect transfer case fluid, add as necessary. X
SCHEDULE “A” 387
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
Inspect the engine air filter element, and replace if nec-
essary.X
Inspect the PCV Valve, and replace if necessary. X
Replace the spark plugs.X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. Not re-
quired if previously replaced.XX
Flush and replace the engine coolant/anti-freeze if not
done at 60 months.X
Inspect the manual transmission fluid, add as necessary. X
Inspect the transfer case fluid, add as necessary. X
388 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
Inspect the engine air filter element, and replace if nec-
essary.X
Inspect the PCV Valve, and replace if necessary. X
Replace the spark plugs.X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. Not re-
quired if previously replaced.XX
Inspect the manual transmission fluid, add as necessary. X
Drain and refill the transfer case fluid. X
Flush and replace the engine coolant/anti-freeze, if not
done at 102,000 miles (170 000 km).X
SCHEDULE “A” 389
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
Inspect the engine air filter element, and replace if necessary.X
Inspect the PCV Valve, and replace if necessary. X
Replace the spark plugs.X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. Not required if
previously replaced.XX
Inspect the manual transmission fluid, add as necessary. X
Inspect the transfer case fluid, add as necessary. X
Flush and replace the engine coolant/anti-freeze, if not done
at 120,000 miles (200 000 km).X
Inspection and service should also be performed anytime a
malfunction is observed or suspected. Retain all receipts. This maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty.
390 SCHEDULE “A”
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
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D
U
L
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