service CHRYSLER 300 2022 Repair Manual

SERVICING AND MAINTENANCE223
(Continued) Under normal operating conditions, the catalytic
converter will not require maintenance. However, it
is important to keep the engine properly tuned to
ensure proper catalyst operation and prevent
possible catalyst damage.
NOTE:Intentional tampering with emission control
systems can result in civil penalties being
assessed against you. In unusual situations involving grossly
malfunctioning engine operation, a scorching odor
may suggest severe and abnormal catalyst
overheating. If this occurs, stop the vehicle, turn off
the engine and allow it to cool. Service, including a
tune-up to manufacturer's specifications, should
be obtained immediately.
To minimize the possibility of catalytic converter
damage:
Do not shut off the engine or interrupt the igni-
tion when the transmission is in gear and the
vehicle is in motion.
Do not try to start the engine by pushing or
towing the vehicle.
Do not idle the engine with any spark plug wires
disconnected or removed, such as when diag
-
nostic testing, or for prolonged periods during
very rough idle or malfunctioning operating
conditions.
NOTE:Your vehicle’s exhaust system may be equipped
with an Electronic Exhaust Valve (EEV) system, if
the exhaust system is replaced with aftermarket
products a Malfunction Indicator Lamp (MIL) will
illuminate.
WARNING!
Exhaust gases can injure or kill. They contain
carbon monoxide (CO), which is colorless and
odorless. Breathing it can make you uncon -
scious and can eventually poison you. To
avoid breathing CO Ú page 191.

A hot exhaust system can start a fire if you
park over materials that can burn. Such
materials might be grass or leaves coming
into contact with your exhaust system. Do not
park or operate your vehicle in areas where
your exhaust system can contact anything
that can burn.

CAUTION!
The catalytic converter requires the use of
unleaded fuel only. Leaded gasoline will
destroy the effectiveness of the catalyst as an
emissions control device and may seriously
reduce engine performance and cause
serious damage to the engine.
Damage to the catalytic converter can result if
your vehicle is not kept in proper operating
condition. In the event of engine malfunction,
particularly involving engine misfire or other
apparent loss of performance, have your
vehicle serviced promptly. Continued opera -
tion of your vehicle with a severe malfunction
could cause the converter to overheat,
resulting in possible damage to the converter
and vehicle.
CAUTION!
8

22_LX_OM_EN_USC_t.book Page 223

226SERVICING AND MAINTENANCE
Coolant Level
The coolant bottle provides a quick visual method
for determining that the coolant level is adequate.
With the engine off and cold, the level of the engine
coolant (antifreeze) in the bottle should be
between the ranges indicated on the bottle.
The radiator normally remains completely full, so
there is no need to remove the radiator/coolant
pressure cap unless checking for engine coolant
freeze point or replacing coolant. Advise your
service attendant of this. As long as the engine
operating temperature is satisfactory, the coolant
bottle need only be checked once a month.
When additional engine coolant is needed to
maintain the proper level, only OAT coolant that
meets the requirements of FCA Material Standard
MS.90032 should be added to the coolant bottle.
Do not overfill.
Cooling System Notes
NOTE:When the vehicle is stopped after a few miles/kilo -
meters of operation, you may observe vapor
coming from the front of the engine compartment.
This is normally a result of moisture from rain,
snow, or high humidity accumulating on the
radiator and being vaporized when the thermostat
opens, allowing hot engine coolant (antifreeze) to
enter the radiator. If an examination of your engine compartment
shows no evidence of radiator or hose leaks, the
vehicle may be safely driven. The vapor will soon
dissipate.
Do not overfill the coolant expansion bottle.
Check the coolant freeze point in the radiator
and in the coolant expansion bottle. If engine
coolant needs to be added, the contents of the
coolant expansion bottle must also be protected
against freezing.
If frequent engine coolant additions are
required, the cooling system should be pressure
tested for leaks.
Maintain engine coolant concentration at a
minimum of 50% OAT coolant (conforming to
MS.90032) and distilled water for proper corro
-
sion protection of your engine which contains
aluminum components.
Make sure that the coolant expansion bottle
overflow hoses are not kinked or obstructed.
Keep the front of the radiator clean. If your
vehicle is equipped with air conditioning, keep
the front of the condenser clean.
Do not change the thermostat for Summer or
Winter operation. If replacement is ever neces -
sary, install ONLY the correct type thermostat.
Other designs may result in unsatisfactory
engine cooling performance, poor gas mileage,
and increased emissions.
BRAKE SYSTEM
In order to ensure brake system performance, all
brake system components should be inspected
periodically Ú page 210.
Fluid Level Check — Brake Master Cylinder
Check the fluid level in the master cylinder
immediately if the Brake System Warning Light
indicates system failure.
Check the fluid level in the master cylinder when
performing underhood services.
Clean the top of the master cylinder area before
removing the cap. Add fluid to bring the level up to
the top of the “FULL” mark on the side of the
master cylinder reservoir.
Overfilling of fluid is not recommended because it
may cause leaking in the system.
Add enough fluid to bring the level up to the
requirements described on the brake fluid
WARNING!
Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting
or riding on the brake pedal can result in
abnormally high brake temperatures, excessive
lining wear, and possible brake damage. You
would not have your full braking capacity in an
emergency.

22_LX_OM_EN_USC_t.book Page 226

SERVICING AND MAINTENANCE227
(Continued)
reservoir. With disc brakes, fluid level can be
expected to fall as the brake pads wear. However,
low fluid level may be caused by a leak and a
checkup may be needed.
Use only brake fluid that has been recommended
by the manufacturer, and has been kept in a tightly
closed container to avoid contamination from
foreign matter or moisture Ú
page 269.
AUTOMATIC TRANSMISSION
Special Additives
The manufacturer strongly recommends against
using any special additives in the transmission.
Automatic Transmission Fluid (ATF) is an
engineered product and its performance may be
impaired by supplemental additives. Therefore, do
not add any fluid additives to the transmission.
Avoid using transmission sealers as they may
adversely affect seals.
Fluid Level Check
The fluid level is preset at the factory and does not
require adjustment under normal operating
conditions. Routine fluid level checks are not
required; therefore the transmission has no
dipstick. An authorized dealer can check your
transmission fluid level using special service tools.
If you notice fluid leakage or transmission
malfunction, visit an authorized dealer
immediately to have the transmission fluid level
checked. Operating the vehicle with an improper
fluid level can cause severe transmission damage.WARNING!
Use only manufacturer's recommended brake
fluid Úpage 269. Using the wrong type of
brake fluid can severely damage your brake
system and/or impair its performance. The
proper type of brake fluid for your vehicle is
also identified on the original factory installed
hydraulic master cylinder reservoir.
To avoid contamination from foreign matter or
moisture, use only new brake fluid or fluid that
has been in a tightly closed container. Keep
the master cylinder reservoir cap secured at
all times. Brake fluid in an open container
absorbs moisture from the air resulting in a
lower boiling point. This may cause it to boil
unexpectedly during hard or prolonged
braking, resulting in sudden brake failure. This
could result in a collision.
Overfilling the brake fluid reservoir can result
in spilling brake fluid on hot engine parts,
causing the brake fluid to catch fire. Brake
fluid can also damage painted and vinyl
surfaces, care should be taken to avoid its
contact with these surfaces.
Do not allow petroleum based fluid to contam -
inate the brake fluid. Brake seal components
could be damaged, causing partial or
complete brake failure. This could result in a
collision.
WARNING!CAUTION!
Do not use chemical flushes in your
transmission as the chemicals can damage your
transmission components. Such damage is not
covered by the New Vehicle Limited Warranty.
CAUTION!
If a transmission fluid leak occurs, visit an
authorized dealer immediately. Severe
transmission damage may occur. An authorized
dealer has the proper tools to adjust the fluid
level accurately.
8

22_LX_OM_EN_USC_t.book Page 227

228SERVICING AND MAINTENANCE
(Continued)
Fluid And Filter Changes
Under normal operating conditions, the fluid
installed at the factory will provide satisfactory
lubrication for the life of the vehicle.
Routine fluid and filter changes are not required.
However, change the fluid and filter if the fluid
becomes contaminated (with water, etc.), or if the
transmission is disassembled for any reason.
Selection Of Lubricant
It is important to use the proper transmission fluid
to ensure optimum transmission performance and
life. Use only the manufacturer's specified
transmission fluid Úpage 269. It is important to
maintain the transmission fluid at the correct level
using the recommended fluid.
NOTE:No chemical flushes should be used in any trans -
mission; only the approved lubricant should be
used.
ALL WHEEL DRIVE (AWD) — IF
E
QUIPPED
The All Wheel Drive system consists of a transfer
case and front differential. The exterior surface of
these components should be inspected for
evidence of fluid leaks. Confirmed leaks should be
repaired as soon as possible.
The transfer case fluid fill/inspection plug is
located in the middle of the rear housing. To
inspect the transfer case fluid level, remove the
fill/inspection plug. The fluid level should be even
with the bottom of the hole. Use this plug to add
fluid as required.
The front differential fill plug is located on the outer
cover near the half shaft attachment. To inspect
the differential fluid level, remove the fill plug. The
fluid level should be even with or slightly below the
bottom of the hole.
Fluid Changes
For the proper maintenance intervals Úpage 210.
REAR AXLE
For normal service, periodic fluid level checks are
not required. When the vehicle is serviced for other
reasons the exterior surfaces of the axle assembly
should be inspected. If gear oil leakage is
suspected inspect the fluid level Ú page 269.
FUSES
General Information
CAUTION!
Using a transmission fluid other than the
manufacturer’s recommended fluid may cause
deterioration in transmission shift quality and/or
torque converter shudder Úpage 269.
WARNING!
When replacing a blown fuse, always use an
appropriate replacement fuse with the same
amp rating as the original fuse. Never replace
a fuse with another fuse of higher amp rating.
The use of a fuse with a rating other than indi -
cated may result in a dangerous electrical
system overload. If a properly rated fuse
continues to blow, it indicates a problem in the
circuit that must be corrected. Never replace a
blown fuse with metal wires or any other mate -
rial. Do not place a fuse inside a circuit
breaker cavity or vice versa. Failure to use
proper fuses may result in serious personal
injury, fire and/or property damage.

22_LX_OM_EN_USC_t.book Page 228

SERVICING AND MAINTENANCE229
The fuses protect electrical systems against
excessive current.
When a device does not work, you must check the
fuse element inside the blade fuse for a break/
melt.
Also, please be aware that using power outlets for
extended periods of time with the engine off may
result in vehicle battery discharge.
Blade Fuses

Underhood Fuses
The Front Power Distribution Center is located in
the engine compartment. This module contains
fuses and relays. Fuse cavity location and
descriptions are printed on the inside of the power
distribution center cover.Before replacing a fuse, make sure that the
ignition is off and that all the other services
are switched off and/or disengaged.
If the replaced fuse blows again, contact an
authorized dealer.
If a general protection fuse for safety systems
(air bag system, braking system), power unit
systems (engine system, transmission
system) or steering system blows, contact an
authorized dealer.
WARNING!
1 — Fuse Element
2 — Blade Fuse with a good/ functional fuse
element
3 — Blade fuse with a bad/ not functional fuse
element (blown fuse)
CAUTION!
When installing the power distribution center
cover, it is important to ensure the cover is
properly positioned and fully latched. Failure
to do so may allow water to get into the power
distribution center and possibly result in an
electrical system failure.
8

22_LX_OM_EN_USC_t.book Page 229

238SERVICING AND MAINTENANCE
BULB REPLACEMENT
Replacement Bulbs, Names, And Part Numbers
In the instance a bulb needs to be replaced, this section includes bulb description and replacement part numbers.
NOTE:See an authorized dealer for LED bulb replacement.
Interior Bulbs
Bulb Name Bulb Number
Rear Courtesy/Reading Lamps W5W
Rear Compartment (Trunk) Lamp 562
Overhead Console Reading Lamps 578
Visor Vanity Lamps A6220
Glove Compartment Lamp – If Equipped 194
Door Courtesy 562
Shift Indicator Lamp JKLE14140
Optional Door Map Pocket/Cupholder LED (Serviced at an authorized dealer)
For lighted switches, see an authorized dealer for replacement instructions.

22_LX_OM_EN_USC_t.book Page 238

SERVICING AND MAINTENANCE239
Exterior Bulbs
Bulb Name Bulb Number
Low Beam/High Beam (Bi-Halogen Headlamp) 9005HL+
Low Beam/High Beam (Bi-Xenon Headlamp) D3S (Serviced at an authorized dealer)
Front Turn Signal Lamp PSY24WSV
Front Park Lamp LED (Serviced at an authorized dealer)
Daytime Running Lamp LED (Serviced at an authorized dealer)
Front Fog Lamp – If Equipped LED (Serviced at an authorized dealer)
Front Side marker Lamp LED (Serviced at an authorized dealer)
Rear Tail/Stop/Turn Lamp LED (Serviced at an authorized dealer)
Rear Side marker Lamp LED (Serviced at an authorized dealer)
Backup Lamp LED (Serviced at an authorized dealer)
Center High Mounted Stop Lamp (CHMSL) LED (Serviced at an authorized dealer)
License LED (Serviced at an authorized dealer)
8

22_LX_OM_EN_USC_t.book Page 239

240SERVICING AND MAINTENANCE
Replacing Exterior Bulbs
HIGH INTENSITY DISCHARGE (HID) HEAD -
LAMPS — IF EQUIPPED
The headlamps are a type of high voltage
discharge tube. High voltage can remain in the
circuit even with the headlamp switch off and the
ignition turned to the OFF position. Because of this,
you should not attempt to service a headlamp bulb
yourself. If a headlamp bulb fails, take your vehicle
to an authorized dealer for service.
NOTE:On vehicles equipped with HID headlamps, when
the headlamps are turned on, there is a blue hue
to the lights. This diminishes and becomes more
white after approximately 10 seconds, as the
system charges.
BI-HALOGEN LOW BEAM AND HIGH BEAM
HEADLAMP — IF EQUIPPED
See steps below to replace:

1. Open the hood.

NOTE:Removal of the air cleaner filter housing may be
necessary prior to replacing bulbs in the headlamp
assembly on the driver side of the vehicle.
2. Reach behind the headlamp housing to access the headlamp (outboard) bulb cap.

Headlamp Bulb Cap
3. Firmly grab the cap and rotate it counter
-
clockwise to unlock it.
4. Twist the headlamp bulb assembly counter -
clockwise, and then pull it out of the headlamp
assembly.

Headlamp Bulb Location

5. Disconnect the bulb from the wiring assembly and install the replacement bulb.
6. Reinstall the bulb and wiring assembly into the headlamp assembly, and then turn it
clockwise.
WARNING!
A transient high voltage occurs at the bulb
sockets of HID headlamps when the headlamp
switch is turned ON. It may cause serious
electrical shock or electrocution if not serviced
properly. See an authorized dealer for service.
CAUTION!
Do not touch the new bulb with your fingers. Oil
contamination will severely shorten bulb life. If
the bulb comes in contact with any oily surface,
clean the bulb with rubbing alcohol.

22_LX_OM_EN_USC_t.book Page 240

SERVICING AND MAINTENANCE241
7. Reinstall the access cap making sure it is seated into the housing and turn cap
clockwise to engage locking lugs. Visually, you
should be unable to see the blue O-ring gasket.
The access cap should be uniformly seated
and you should not be able to pull the access
cap off without turning it counterclockwise.
FRONT TURN SIGNAL LAMPS
See steps below to replace:

1. Open the hood.

NOTE:Removal of the air cleaner filter housing may be
necessary prior to replacing bulbs in the headlamp
assembly on the driver side of the vehicle. 2. Reach behind the headlamp housing to access
the turn signal (inboard) bulb cap.

Turn Signal Bulb Cap

3. Firmly grab the cap and rotate it counter -
clockwise to unlock it.

Turn Signal Bulb Location
4. Squeeze the two tabs on the side of the bulb
socket and pull straight out from the lamp
assembly.
5. Disconnect the bulb from the wiring connector and install the replacement bulb.
6. Install the bulb and connector assembly straight into the lamp until it locks in place.
7. Install the turn signal bulb cap in the headlamp housing and rotate clockwise to lock in place.
FRONT FOG LAMPS
The Front Fog Lamps use LED sources that are not
serviceable separately. The Front Fog Lamp must
be replaced as an assembly; see an authorized
dealer.
FRONT/REAR SIDE MARKER LAMPS
The Side Markers use LED lamps that are not
serviceable separately. The Side Markers must be
replaced as an assembly, see an authorized
dealer.
CAUTION!
If the access cap is not installed correctly after
bulb replacement, the lamp becomes
susceptible to dust, condensation, and water
intrusion. This may ultimately lead to an
inoperative lamp. If the access cap cannot be
installed correctly, please return to an
authorized dealer for proper repair or access
cap replacement if necessary.
8

22_LX_OM_EN_USC_t.book Page 241

242SERVICING AND MAINTENANCE
REAR BACKUP LAMP AND TURN SIGNAL
LAMPS
The Rear Backup and Turn Signal Lamp use LED
sources that are not serviceable separately. The
Rear Lamps must be replaced as an assembly, see
an authorized dealer for further information.
LICENSE LAMP
The License Lamp uses an LED source that is not
serviceable separately. The License Lamp must be
replaced as an assembly; see an authorized
dealer.
CENTER HIGH MOUNTED STOP LAMP (CHMSL)
The CHMSL Lamp uses LED sources that are not
serviceable separately. The CHMSL Lamp must be
replaced as an assembly; see an authorized
dealer.
TIRES
TIRE SAFETY INFORMATION
Tire safety information will cover aspects of the
following information: Tire Markings, Tire
Identification Numbers, Tire Terminology and
Definitions, Tire Pressures, and Tire Loading.
Tire Markings

Tire Markings

NOTE:
P (Passenger) — Metric tire sizing is based on US
design standards. P-Metric tires have the letter
“P” molded into the sidewall preceding the size
designation. Example: P215/65R15 95H.
European — Metric tire sizing is based on Euro -
pean design standards. Tires designed to this
standard have the tire size molded into the side -
wall beginning with the section width. The letter
"P" is absent from this tire size designation.
Example: 215/65R15 96H.
LT (Light Truck) — Metric tire sizing is based on
US design standards. The size designation for
LT-Metric tires is the same as for P-Metric tires
except for the letters “LT” that are molded into
the sidewall preceding the size designation.
Example: LT235/85R16.
Temporary spare tires are designed for tempo -
rary emergency use only. Temporary high pres -
sure compact spare tires have the letter “T” or
“S” molded into the sidewall preceding the size
designation. Example: T145/80D18 103M.
High flotation tire sizing is based on US design
standards and it begins with the tire diameter
molded into the sidewall. Example: 31x10.5
R15 LT.
1 — US DOT Safety Standards Code
(TIN)
2 — Size Designation
3 — Service Description
4 — Maximum Load
5 — Maximum Pressure
6 — Treadwear, Traction and
Temperature Grades

22_LX_OM_EN_USC_t.book Page 242