Jeep GRAND CHEROKEE L 2021, Owner'S Manual

Page: 312 / 388

310 SERVICING AND MAINTENANCE
Engine Air Cleaner Filter Installation
NOTE:
Inspect and clean the housing assembly if dirt or
debris is present before replacing the engine air
cleaner filter.
1. Install the engine air cleaner filter 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 the fasteners on the engine air cleaner
filter assembly.
A
IR
C
ONDITIONER
M
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.
Refrigerant Recovery And Recycling —
R–1234yf
R–1234yf Air Conditioning Refrigerant is a
Hydrofluoroolefin (HFO) that is endorsed by the
Environmental Protection Agency and is an
ozone-friendly substance with a low
global-warming potential. The manufacturer
recommends that air conditioning service be
performed by an authorized dealer using recovery
and recycling equipment.
NOTE:
Use only manufacturer approved A/C system PAG
compressor oil, and refrigerants.
Cabin Air Filter Replacement
For the proper maintenance intervals
Ú
page 302.
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.
CAUTION!
Do not use chemical flushes in your air
conditioning system as the chemicals can
damage your air conditioning components. Such
damage is not covered by the New Vehicle
Limited Warranty.
WARNING!
Do not remove the cabin air filter while the
vehicle is running, or while the ignition is in the
ON/RUN mode. With the cabin air filter removed
and the blower operating, the blower can
contact hands and may propel dirt and debris
into your eyes, resulting in personal injury.
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