automatic transmission RAM CHASSIS CAB 2022 Service Manual

336SERVICING AND MAINTENANCE
Inspect the front and rear axle
surfaces. If gear oil leakage is
suspected, check the fluid level. If
using your vehicle for police, taxi, fleet,
off-road or frequent trailer towing
change the axle fluid. X
XXXX X
Inspect the transfer case fluid (4x4),
change for any of the following: police,
taxi, fleet, or frequent trailer towing. X
XXX X
Change the transfer case fluid (4x4). XX
Change automatic transmission fluid
(AS69RC transmission only). X
XXX X
Change the automatic transmission
fluid and sump filter (AS69RC
transmission only). X
X
Change automatic transmission fluid
and filter(s) (AS69RC transmission
only). X
Mileage or time passed (whichever
comes first):
7,500
15,000
22,500
30,000
37,500
45,000
52,500
60,000
67,500
75,000
82,500
90,000
97,500
105,000
112,500
120,000
127,500
135,000
142,500
150,000
Or Months: 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
Or Kilometers:
12,000
24,000
36,000
48,000
60,000
72,000
84,000
96,000
108,000
120,000
132,000
144,000
156,000
168,000
180,000
192,000
204,000
216,000
228,000
240,000

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SERVICING AND MAINTENANCE339
6.7L DIESEL ENGINE
1 — Battery 7 — Brake Fluid Reservoir Cap
2 — Engine Coolant Pressure Cap 8 — Battery
3 — Engine Coolant Pressure Reservoir 9 — Power Distribution Center (Fuses)
4 — Engine Oil Fill 10 — Engine Air Cleaner Filter
5 — Engine Oil Dipstick 11 — Power Steering Reservoir Cap
6 — Automatic Transmission Dipstick 12 — Washer Fluid Reservoir Cap
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358SERVICING AND MAINTENANCE
(Continued)
BRAKE SYSTEM
In order to ensure brake system performance, all
brake system components should be inspected
periodically Úpage 329.
Fluid Level Check — Brake Master Cylinder
The fluid level of the master cylinder should be
checked when performing under the hood service
or immediately if the Brake System Warning Light
indicates system failure.
If necessary, add fluid to bring level within the
designated marks on the side of the reservoir of
the brake master cylinder. Be sure to clean the top
of the master cylinder area before removing cap.
With disc brakes the fluid level can be expected to
fall as the brake linings wear. However, an
unexpected drop in fluid level may be caused by a
leak and a system check should be conducted.
For further information Ú page 407.
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. The
only exception to this policy is the use of special
dyes for diagnosing fluid leaks in 6-speed
transmissions. Avoid using transmission sealers as
they may adversely affect seals.
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.
WARNING!
Use only manufacturer's recommended brake
fluid Úpage 407. 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.
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.
WARNING!

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TECHNICAL SPECIFICATIONS407
CHASSIS FLUIDS AND LUBRICANTS
6.4L GASOLINE ENGINE
Do not use water alone or alcohol-based engine coolant (antifreeze) products. Do not use additional rust inhibitors or antirust products, as they may not be
compatible with the radiator engine coolant and may plug the radiator.
This vehicle has not been designed for use with propylene glycol-based engine coolant (antifreeze). Use of propylene glycol-based engine coolant (antifreeze)
is not recommended.
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission – 8-Speed Use only Mopar® ZF 8 & 9 Speed ATF Automatic Transmission Fluid, or
equivalent. Failure to use the correct fluid may affect the function or
performance of your transmission.
Automatic Transmission – 6-Speed Use only Mopar® ASRC Automatic Transmission Fluid or equivalent. Failure to
use the proper fluid may affect the function or performance of your
transmission.
Transfer Case We recommend using Mopar® Transfer Case Lubricant for Borg Warner 44-44
and 44-45.
Front and Rear Axle Fluid We recommend using SAE 75W-85 HD Ram GL-5 Synthetic Axle Lubricant.
Limited slip additive is required for limited slip axles. If the axle fluid is not
pre-mixed with limited slip additive we recommend using Mopar®
MS-10111 Limited Slip Additive.
Brake Master Cylinder We recommend using Mopar® DOT 3 and SAE J1703.
Power Steering Reservoir
We recommend using Mopar® Power Steering Fluid +4, Mopar® ATF+4 Automatic
Transmission Fluid.

CAUTION!
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408TECHNICAL SPECIFICATIONS
6.7L DIESEL ENGINE
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission Only use Mopar® ASRC Automatic Transmission Fluid or equivalent. Failure to
use the proper fluid may affect the function or performance of your
transmission.
Transfer Case We recommend using Mopar® BW44–44 Transfer Case Fluid.
Front and Rear Axle Fluid We recommend using SAE 75W-85 HD Ram GL-5 Synthetic Axle Lubricant.
Limited slip additive is required for limited slip axles. If the axle fluid is not
pre-mixed with limited slip additive we recommend using Mopar®
MS-10111 Limited Slip Additive.
Brake Master Cylinder We recommend using Mopar® DOT 3 and SAE J1703.

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413
INDEX
A
Adaptive Cruise Control (ACC) (Cruise
Control)
................................................ 141, 143Adding Engine Coolant (Antifreeze)............... 355Adding Fuel.................................................... 169Additives, Fuel............................................... 399AdjustDown........................................................... 32Forward....................................................... 32Rearward..................................................... 32Up................................................................ 32Adjustable Pedals............................................ 37Advance Phone Connectivity......................... 231Air BagAir Bag Operation...................................... 286Air Bag Warning Light................................ 284Enhanced Accident Response......... 290, 327Event Data Recorder (EDR)....................... 327If Deployment Occurs................................ 289Knee Impact Bolsters................................ 286Maintaining Your Air Bag System.............. 291Maintenance............................................. 291Redundant Air Bag Warning Light.............285Transporting Pets...................................... 307Air Bag Light..................................95, 284, 307
Air Cleaner, Engine (Engine Air Cleaner
Filter)................................................... 342, 361Air Conditioner Maintenance........................ 344Air Conditioner Refrigerant........................... 344Air Conditioner System................................. 344Air Conditioning................................................ 58Air Conditioning Filter....................................... 61Air Conditioning System................................... 60Air Conditioning, Operating Tips....................... 60Air Filter........................................................ 342Air PressureTires......................................................... 383AlarmSecurity Alarm...................................... 23, 96Alterations/ModificationsVehicle......................................................... 10Antifreeze (Engine Coolant).......................... 355Capacities................................................. 403Disposal................................................... 356Anti-Lock Brake System (ABS)...................... 259Anti-Lock Warning Light................................ 100Assist, Hill Start............................................. 264Audio Settings............................................... 219Audio Systems (Radio).................................. 190Auto Down Power Windows............................. 71Automatic Door Locks...................................... 26
Automatic Headlights.......................................48Automatic Temperature Control (ATC)..............60Automatic Transmission....................... 122, 360Adding Fluid.............................................. 360Fluid And Filter Change............................. 360Fluid Change............................................. 360Fluid Level Check............................. 358, 359Fluid Type........................................ 360, 407Shifting..................................................... 126Special Additives...................................... 358Automatic Transmission Limp Home Mode... 125AutoPark....................................................... 105AUX Camera......................................... 165, 168Auxiliary Driving Systems.............................. 266Axle Fluid.....................................360, 361, 407Axle Lubrication................................... 360, 361
B
Back-Up......................................................... 159Back-Up Camera........................................... 159Battery................................................... 96, 340Blanket..................................................... 114Charging System Light.................................96Keyless Key Fob Replacement....................16Battery Saver Feature......................................51Belts, Seat.................................................... 307
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414
Bluetooth Connecting To A Particular Mobile PhoneOr Audio Device After Pairing
................227Body Builders Guide........................................ 10Body Mechanism Lubrication........................ 351B-Pillar Location............................................. 380Brake Assist System...................................... 260Brake Control System.................................... 260Brake Fluid.......................................... 358, 407Brake System...................................... 358, 397Fluid Check............................................... 358Master Cylinder......................................... 358Parking...................................................... 119Warning Light.............................................. 95Brake/Transmission Interlock....................... 122Bulb Replacement......................................... 371Bulbs, Light.......................................... 309, 371
C
Cab Top Clearance Lights.............................. 375Camera.......................................................... 159Camera, AUX........................................ 165, 168Camera, Rear...................................... 159, 161Camera, Trailer 360...................................... 165Capacities, Antifreeze (Engine Coolant)......... 403Capacities, Fluid............................................ 403Caps, FillerOil (Engine)................................................ 338Power Steering.......................................... 140Radiator (Coolant Pressure)...................... 356
Car Washes................................................... 394Carbon Monoxide Warning................... 309, 310Cargo Light....................................................... 50CD................................................................. 221Cellular Phone.............................................. 252Center High Mounted Stop Light................... 375Center Seat Storage Compartment.................. 62Changing A Flat Tire...................................... 315Charge Air Cooler.......................................... 357Chart, Tire Sizing........................................... 377Check Engine Light (Malfunction Indicator
Light)............................................................. 104Checking Your Vehicle For Safety................. 307Checks, Safety.............................................. 307Child Restraint.............................................. 291Child RestraintsBooster Seats........................................... 294Child Seat Installation..................... 300, 302How To Stow An unused ALR Seat Belt.... 299Infant And Child Restraints....................... 293Locating The LATCH Anchorages.............. 298Lower Anchors And Tethers For Children.. 295Older Children And Child Restraints......... 293Seating Positions...................................... 295Clean Air Gasoline......................................... 399CleaningWheels..................................................... 389Climate Control................................................ 54Automatic.................................................... 54Manual........................................................ 58
Cold Weather Operation................................ 108Compact Spare Tire...................................... 387Connected Services...................................... 233Connected Services FAQ............................... 247Connected Services Features....................... 236Connected Services, Getting Started............ 235Connected Services, Introduction................. 233Contract, Service........................................... 410Controls........................................................ 214Cooling Pressure Cap (Radiator Cap)............ 356Cooling System............................................. 354Adding Coolant (Antifreeze)...................... 355Coolant Level................................... 355, 357Cooling Capacity....................................... 403Disposal Of Used Coolant......................... 356Drain, Flush, And Refill............................. 355Inspection................................................. 357Points To Remember................................ 357Pressure Cap............................................ 356Radiator Cap............................................. 356Selection Of Coolant (Antifreeze)..... 355, 404Corrosion Protection..................................... 393Cruise Control (Speed Control)............. 141, 143Cruise Light................................................... 102Customer Assistance.................................... 409Cybersecurity................................................ 190

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420
Seat Belt Automatic Locking Retractor (ALR)
............ 283Seat Belt Reminder......................................... 94Seat Belts............................................ 276, 307Adjustable Shoulder Belt........................... 280Adjustable Upper Shoulder Anchorage...... 280Adjustable Upper Shoulder Belt Anchorage............................................. 280Child Restraints......................................... 291Extender.................................................... 282Front Seat....................................... 276, 279Inspection................................................. 307Lap/Shoulder Belt Operation.................... 279Lap/Shoulder Belt Untwisting...................279Operating Instructions............................... 279Pregnant Women...................................... 282Reminder.................................................. 276Seat Belt Extender.................................... 282Seat Belt Reminder................................... 276Untwisting Procedure................................ 279Seat Belts Maintenance................................ 395Seats........................................................ 31, 32Adjustment........................................... 31, 32Easy Entry................................................... 33Folding Floor............................................... 65Head Restraints.......................................... 35Memory....................................................... 29Power.......................................................... 32Rear Folding................................................ 31Tilting.......................................................... 31
Security Alarm........................................... 23, 96Selection Of Coolant (Antifreeze).................. 404Send & Go........................................... 242, 248Sentry Key (Immobilizer).................................. 18Service Assistance........................................ 409Service Contract........................................... 410Service Manuals........................................... 411Settings, Audio.............................................. 219Shift Lever Override...................................... 322Shifting......................................................... 121Automatic Transmission.................. 122, 126Transfer Case........................................... 139Transfer Case, Shifting Into Transfer Case Neutral (N)................................... 186Transfer Case, Shifting Out Of TransferCase Neutral (N)................................... 187Signals, Turn................................. 50, 102, 309Sirius Satellite Radio..................................... 215Favorites................................................... 218Replay...................................................... 217SiriusXM Satellite RadioBrowse in SXM......................................... 218Favorites................................................... 218Replay...................................................... 217Sliding Rear Window, Power............................ 72Smart Watch................................................. 247Snow Chains (Tire Chains)............................ 390Snow Plow.................................................... 183
Snow Tires.................................................... 387SOS Call............................................... 236, 248Spare Tires........................................... 387, 388Speed ControlAccel/Decel.............................................. 142Cancel....................................................... 142Resume.................................................... 142Speed Control (Cruise Control)............. 141, 143Starting....................................... 105, 107, 108Automatic Transmission.................. 105, 109Button..........................................................18Cold Weather............................................ 108Engine Block Heater................................. 110Engine Fails To Start................................. 107Starting And Operating.................................. 107Starting Procedures............................. 107, 108Starting Procedures (Diesel Engines)............ 108Starting Procedures (Gas Engines)............... 105SteeringPower........................................................ 140Tilt Column...................................................27Wheel, Heated...................................... 27, 28Wheel, Tilt....................................................27Steering Wheel Audio Controls...................... 213Steering Wheel Mounted Sound System....... 213Stolen Vehicle Assistance.................... 244, 249Storage............................................................61Storage Compartment, Center Seat.................62

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421
Storage, Vehicle
...................................... 60, 393Store Radio Presets....................................... 219Storing Your Vehicle...................................... 393Sunglasses Storage......................................... 64Sway Control, Trailer...................................... 266Synthetic Engine Oil....................................... 342
T
Telescoping Steering Column.......................... 27Temperature Control, Automatic (ATC)............ 60Tilt Down........................................................... 32Up................................................................ 32Tilt Steering Column........................................ 27Tip Start............................................... 107, 109Tire And Loading Information Placard........... 380Tire Markings................................................. 376Tire Safety Information.................................. 376Tires................................... 309, 383, 387, 392Aging (Life Of Tires)................................... 385Air Pressure............................................... 383Chains....................................................... 390Changing................................................... 315Compact Spare......................................... 387Dual........................................ 318, 392, 397General Information........................ 383, 387High Speed................................................ 384Inflation Pressure...................................... 383Jacking...................................................... 315Life Of Tires............................................... 385
Load Capacity........................................... 380Pressure Monitoring System (TPMS)..99, 268Quality Grading......................................... 392Radial....................................................... 384Replacement............................................ 386Rotation.................................................... 391Safety.............................................. 376, 383Sizes......................................................... 377Snow Tires................................................ 387Spare Tires...................................... 387, 388Spinning................................................... 385Trailer Towing........................................... 178Tread Wear Indicators.............................. 385Wheel Nut Torque..................................... 397To Open Hood.................................................. 73Tongue Weight/Trailer Weight...................... 177Torque Converter Clutch............................... 131Tow Mode Mirror.............................................. 39Towing................................................. 173, 325Disabled Vehicle....................................... 325Guide........................................................ 176Recreational............................................. 185Weight...................................................... 176Towing Behind A Motorhome........................ 185Traction......................................................... 188Traction Control............................................ 265Trailer Sway Control (TSC)............................. 266Trailer Towing............................................... 173Hitches..................................................... 176Minimum Requirements........................... 177
Mirrors.........................................................42Tips........................................................... 182Trailer And Tongue Weight........................ 177Wiring....................................................... 181Trailer Towing Guide..................................... 176Trailer Weight................................................ 176Transfer Case................................................ 361Electronically Shifted....................... 132, 135Fluid.......................................................... 407Transmission................................................. 122Automatic............................... 122, 126, 358Fluid.......................................................... 407Maintenance............................................ 358Shifting..................................................... 121Transporting Pets.......................................... 307Tread Wear Indicators................................... 385Turn Signals.................................. 50, 102, 373
U
UconnectPhone Call Features
................................. 228Things You Should Know About Your Uconnect Phone................................... 231Uconnect Phone............................................ 225Answer Or Ignore An Incoming Call — Call Currently In Progress..................... 230Answer Or Ignore An Incoming Call — No Call Currently In Progress................ 229Bluetooth Communication Link................ 233Call Continuation...................................... 231
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