RAM 2500 2021 Owner's Manual page 404

402 SERVICING AND MAINTENANCE
Mileage or time passed (whichever
comes first):
Or Months:
Or Kilometers:
Inspect the transfer case fluid (4x4),
change for any of the following: police,
taxi, fleet, or frequent trailer towing.
Change the transfer case fluid (4x4).
Change automatic transmission fluid
(AS69RC transmission only).
Change automatic transmission fluid
and sump filter (AS69RC transmission
only).
Change automatic transmission fluid and
filter(s) if using your vehicle for any of the
following: police, fleet, or frequent trailer
towing (68RFE transmission only).
Change automatic transmission fluid and
filter(s).
Replace Crankcase Ventilation Filter
(CCV).
6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
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