Dodge Challenger 2014 Owner's Manual page 504

502 MAINTENANCE SCHEDULES
Mileage or time passed
(whichever comes first)
Or Years:
Or Kilometers:
Replace spark plugs (5.7L en-
gine). **
Flush and replace the engine
coolant at 10 years or 150,000
miles (240,000 km) whichever
comes first.
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X
X
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