Dodge CHALLENGER 2020 Owner's Manual page 261

260 SERVICING AND MAINTENANCE
Miles:
Or Months:
6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126 132 138 144 150
Or Kilometers:
Flush and replace the
engine coolant at
120 months if not done
at 150,000 miles
(240,000 km).
1. For race track usage it is recommended that the axle fluid be changed every 4 hours of on track time.
2. The spark plug change interval is mileage based only, yearly intervals do not apply.
3. The spark plug change interval is mileage based only, yearly intervals do not apply.
WARNING!
You can be badly injured working on or

around a motor vehicle. Do only service
work for which you have the knowledge and
the right equipment. If you have any doubt
about your ability to perform a service job,
take your vehicle to a competent mechanic.
WARNING! (Continued)
Failure to properly inspect and maintain

your vehicle could result in a component
malfunction and effect vehicle handling
and performance. This could cause an acci-
dent.
(Continued)
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