Dodge Durango 2013 Owner's Manual page 665

Mileage or time passed (whichever comes first)
Replace spark plugs (3.6L engine).**
Replace spark plugs (5.7L engine).**
Flush and replace the engine coolant at 10 years or
150,000 miles (240,000 km) whichever comes first.
Change automatic transmission fluid and filter,
change if using your vehicle for police, taxi, fleet,
off-road or frequent trailer towing.
Change automatic transmission fluid and filter.
Change transfer case fluid.
Inspect and replace PCV valve if necessary.
** The spark plug change interval is mileage based only,
yearly intervals do not apply.
Or Years: 2 3 4
Or Kilometers:
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MAINTENANCE SCHEDULES 663
5 6 7 8 9 10
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X X
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X
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11 12 13 14 15
X X
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X
X
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
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