Dodge RAM 2500 2022 Owner's Manual page 406

402 SERVICING AND MAINTENANCE
Engine Air Cleaner Filter Inspection and
Replacement — Diesel Engine
Inspect engine air cleaner filter for dirt and or
debris, if you find evidence of either dirt or debris
you should change your engine air cleaner filter.
Engine Air Cleaner Filter Removal
1. Remove the screws from the engine air
cleaner filter cover.
Engine Air Cleaner Filter Cover
1 — Engine Air Cleaner Filter Cover
2 — Screws
2. Lift the engine air cleaner filter cover to access
the engine air cleaner filter.
3. Remove the engine air cleaner filter from the
housing assembly.
Engine Air Cleaner Filter
1 — Engine Air Cleaner Filter
2 — Engine Air Cleaner Filter Inspection Surface
Engine Air Cleaner Filter Installation
NOTE:
Inspect and clean the housing if dirt or debris is
present before replacing the engine air cleaner
filter.
1. Install the engine air cleaner into the housing
assembly with the engine air cleaner filter
inspection surface facing downward.
2. Install the engine air cleaner filter cover onto
the housing assembly locating tabs.
3. Tighten (6) screws to secure the engine air
cleaner filter cover to the housing assembly.
A C M
IR ONDITIONER AINTENANCE
For best possible performance, your air conditioner
should be checked and serviced by an authorized
dealer at the start of each warm season. This
service should include cleaning of the condenser
fins and a performance test. Drive belt tension
should also be checked at this time.
WARNING!
Use only refrigerants and compressor lubri-

cants approved by the manufacturer for your
air conditioning system. Some unapproved
refrigerants are flammable and can explode,
injuring you. Other unapproved refrigerants or
lubricants can cause the system to fail,
requiring costly repairs. Refer to Warranty
Information Book, for further warranty infor-
mation.
The air conditioning system contains refrig-

erant under high pressure. To avoid risk of
personal injury or damage to the system,
adding refrigerant or any repair requiring lines
to be disconnected should be done by an
experienced technician.