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502 SERVICING AND MAINTENANCE
Mileage or time passed
(whichever comes first)
Or Years:
Or Kilometers:
Additional Maintenance
Replace cabin air filter.
Replace engine air filter.
1
Replace spark plugs.
Flush and replace the engine
coolant at 10 years or 150,000 miles
(240,000 km) whichever comes first.
Inspect the transfer case fluid,
change for any of the following:
police, taxi, fleet, or frequent
trailer towing.
Change the transfer case fluid.
Inspect and replace PCV valve if
necessary.
1. The spark plug change interval is mileage based only, yearly intervals do not apply.
2
3
4
5
6
X
X
X
X
X
X
7
8
9
10
11
X
X
X
X
X
X
12
13
14
15
X
X
X
X
X
X
X
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