Name: Navistar International LT Series
Brand: Navistar
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International

andRH

™

Series0001208044

4328701R7

-US,CanadaSeptember2023

International

andRH

™

Series

OperationandMaintenanceManual

Navistar,Inc.

2701NavistarDrive,Lisle,IL60532USA

Table of Contents5
Assistance Guide14
Cautions and Warnings14
Preface14
Section 1 - Foreword14
Component Code Numbers15
- Line Set Ticket15
Vehicle Storage Instructions15
- Storage Duration - One Month or Less16
- Storage Duration - over One Month16
- Storage Facilities17
Diesel Exhaust Fluid (DEF) Storage17
Exterior Noise Emissions18
Noise Emissions Warranty18
Tampering with Noise Control System Prohibited18
Emission Control Systems19
- HD-OBD Foreword19
- Supplemental Federal Emission Control System21
Reporting Safety Defects22
- U.S. Registered Vehicles22
- Canadian Registered Vehicles22
Safety Recalls, Emission Recalls, and Authorized Field22
Customer Security Guide for International23
Trucks23
Optional Diamond Logic Electronic Application Solutions25
- Section 2 - Model Description26
Available Models26
Introduction26
Vehicle Identification31
- Vehicle Identification Number (VIN)31
- Feature Codes31
- Engine Serial Number31
- Line Set Ticket31
Exterior Components32
- Front View: LT ® Series - Long Sleeper32
- Back View: LT Series - Long Sleeper33
Cab Entry and Exit34
Hood34
- Raising the Hood34
- Lowering the Hood35
Chassis Skirts36
- Extended Chassis Skirts (if Equipped)37
- Section 3 - Inspection Guide38
Luggage Box Access36
- Driver-Side36
Introduction38
- General Information38
Tractor Inspection39
- Preparation39
- Exterior Lights Check39
- Left-Side Cab Area40
- Left-Side Engine Compartment41
- Left-Side Front of Tractor42
- Front of Tractor43
- Right-Side Front of Tractor44
- Right-Side Engine Compartment46
- Right-Side of Cab47
- Rear of Cab48
- Right-Side under Vehicle49
- Right-Side Rear of Tractor50
- Rear of Tractor51
- Left-Side Rear of Tractor52
- Fifth Wheel and Coupling Area53
- Battery Box (between Frame Rail)54
- Cab Interior Inspection55
  - Section 4 - Controls / Features57
Introduction57
- General Information57
- Electrical57
- Electrical System57
Dash Components58
Overhead Console58
- Base Electronic Gauge Cluster Overview59
- Controller Operation60
- Screen Layout61
- Overview67
- Direct Drive Warning Indicators70
- Electronic Gauge Cluster Alarms71
  - Sleeper Temperature General Text and Warning73
- Light Control Module73
Steering Wheel Controls76
- Cruise Control79
Steering Column and Switches79
Center Dash Panel / Wing Panel84
- Auxiliary Gauges85
- Switches86
- Climate Control90
  - Air Conditioning99
Electronic Touchscreen100
- Vehicle Information Display100
Door and Window Controls101
- Door Lock / Unlock101
- Driver / Passenger Windows103
Predictive Cruise Control (PCC) System104
Vehicle Telematics105
- Overview105
- Telematics Module (if Equipped)105
- Telematics Module Indicators106
- Oncommand ® Link (if Equipped)106
Collision Warning Systems107
- Bendix Blindspotter107
- Bendix Wingman Advanced Collision Warning107
- System110
- Bendix Wingman Fusion110
- WABCO Onguard Collision Safety System111
Active Steering112
- Driver Assist Steering Features113
Driver Reward113
- Section 5 - Sleeper Features115
Introduction115
- General Information115
- Main Features115
Lighting117
- Dome Light117
- Reading Lights117
- Floor Lights117
- Accent Lights117
Sleeper Control Panel118
- General Information118
- Accent Light Dimmer Switch119
- Accent Light Switch119
- Sleeper Dome / Floor Light Switch119
- Auto Start / Stop System119
- Auto Start / Stop System and HVAC Controls121
- Manual Climate Controls123
- No-Idle Heating125
- Power Receptacle125
- Radio Remote Control125
- Remote Power Inverter Panel125
Windows126
- General Information126
Bunk Restraint System127
- General Information127
- Adjustable Belts127
Restraint Webbing System (Optional)127
Lower Bunk129
- General Information129
Upper Bunk130
- General Information130
- Entering the Upper Bunk131
- Exiting the Upper Bunk132
Cabinets / Storage133
- General Information133
Cabinets134
- Under Bunk Refrigerator134
- Refrigerator Cabinet134
- Dresser Cabinet135
- Tower Wardrobe Cabinet136
- Airline Cabinets137
Convenience Features138
- General Information138
- Sleeper Curtain138
- Power Sockets138
- Television Mount138
- Power Inverter138
- Speakers138
- Floor Covering139
- Sleeper Fan139
  - Section 6 - Operation140
Operation Safety140
- General Information140
- Cab Controls141
Cab Access142
- Driver-Side Cab142
- Accessing Driver-Side Cab143
- Exiting Driver-Side Cab143
- Passenger-Side Cab144
- Accessing Passenger-Side Cab144
- Exiting Passenger-Side Cab145
Airbag System145
- Airbag Readiness Lamp146
- When Should the Airbag Inflate146
- What Makes the Airbag Inflate146
- How Does the Airbag Restrain147
- What will You See after the Airbag Inflates147
- Servicing the Airbag-Equipped Vehicle148
- Adding Equipment to the Airbag-Equipped Vehicle148
- Airbag System Check149
- Replacing Airbag System Parts after a Crash149
Seat Belts149
- General Information149
- Operation150
- Comfort Clip (if Equipped)151
- Rolltek SRS System Seat Belt Pretensioning Device153
Seats153
- General Information153
- Rolltek Rollover Protection System155
  - Rolltek Rollover Protection System Operation157
  - Rolltek System Inspection and Service159
Starting Procedures159
- General Information159
- Engine Starting160
- After the Engine Starts161
- Engine Shutdown161
- Emergency Starting161
- Cold Weather162
- Hot Weather Operation164
Operating Instructions165
- Uphill and Downhill Operation165
- Steering165
- Electrical166
- Engine170
- Engine Brake with Eaton Ultrashift+ Transmission Special Driver Instructions172
- Engine Features173
- HD-OBD Overview173
- Self Diagnostics174
- Air Compressor Cycling174
- Engine Oil174
- Engine Performance Problems175
Fuel175
- Ultra Low Sulfur Diesel Fuel Requirements175
- Unacceptable Fuel Blends175
- Hazards of Diesel Fuel / Gasoline Blends175
- Additional Unsafe Practices176
- Fuel and Lubricant Additives176
- Fueling Procedures176
- Fueling Precautions176
- Reserve Fuel177
Transmission177
- Transmission Fluid177
- Transmission Fluid Temperature177
- Manual Transmissions178
- Engaging the Clutch179
- Hydraulic Clutch Actuation System180
- Double Clutch Procedures181
- Clutch Brake182
- Clutch Precautions182
- Eaton Ultrashift+ Transmissions (if Equipped)182
- Eaton Endurant182
- Allison Transmissions182
- International ® T14 Transmissions183
Transmission Features (if Equipped)183
- Hill Start Aid / Hill Brake (if Equipped)183
- Rear Axles184
- Rear Suspension186
Exhaust Aftertreatment187
- Selective Catalytic Reduction System187
- Exhaust Diesel Particulate Filter Regeneration200
Brakes204
- General Information204
- Downhill Operation204
- Air Brakes205
- Parking Brake207
  - Parking Brake Reset208
  - Parking Brake Alarm208
- Bendix Intellipark208
- Air Dryer212
- Trailer Brake Hand Control213
- Trailer Air Supply and Parking Brake Modular Controls213
- Parking Brake Indicator214
- Bobtail Proportioning System215
- Antilock Brake System (ABS)215
Automatic Traction Control (ATC) System217
- General Information217
- ATC System Check217
- ATC off ROAD or MUD / SNOW Switch217
- Stability Control Systems - Bendix RSP / WABCO RSC / Bendix ESP218
Towing Instructions220
- Tow Hooks (if Equipped)221
- Towing Vehicle with Front Wheels Suspended222
  - Removing Axle Shafts before Towing222
  - Installing Axle Shafts224
Tractor-Trailer Connections226
- Fifth Wheel Operation227
Introduction231
Maintenance Guidelines231
Chassis Lubrication233
Supporting Your Vehicle for Service233
Air Conditioning Service Checks234
- HVAC Filters234
- Side Access HVAC Filter235
- Recirculation Filter236
- Sleeper HVAC Filter237
Axles237
- Front Axle237
- Rear Axle238
  - Inspection and Lubrication238
- Locking Differential239
Brakes239
- General Information239
- Air Brakes240
  - Inspection and Adjustment240
- Air Dryer241
- Air Reservoir / Tanks Moisture Draining242
- ABS Connections and Sensors243
Cab243
- Care of Vehicle243
Clutch244
- Pedal Free Travel244
- Hydraulic Clutch245
Electrical246
- Batteries246
- Auto Start / Stop System Battery Cables: LT247
- Vehicles Only247
- Auto Start / Stop System Battery Cables: International RH Vehicles Only248
- High Current Relay248
- Electrical Charging and Starting System Test249
- Terminal Inspection-Cleaning-Corrosion Protection249
- Accessory Feed Connections249
- Fuses and Relays249
Engine250
- General Information250
- Engine Fluids and Contaminated Material250
- Scheduled Maintenance250
- Air Induction System251
- Air Restriction Gauge251
- Air Cleaner Element Service: LT Vehicles Only252
- Air Cleaner Element Service: International254
- Troubleshooting256
- Charge Air Cooler and Radiator Core Inspection and Cleaning257
  - Inspection and Cleaning257
- Cooling System257
- Fuel System261
  - Fuel Tank Draining and Cleaning261
- Crankcase Ventilation Filter262
Frame262
Noise Emissions - Exterior262
- Instructions for Proper Maintenance262
- Air Intake System262
- Body262
- Cooling System263
- Engine Noise Shields / Blankets263
- Exhaust System263
Maintenance Record - Noise Control264
DEF Tank Filling265
Diesel Particulate Filter (DPF)265
- Regeneration265
- Cleaning266
Drive Shafts266
Suspension (Air and Steel Springs)266
- Front Suspension267
- Rear Suspension267
Steering267
- General Information267
- Tightening Steering Intermediate Shaft Joint Bolts268
- Lubrication Points268
- Power Steering268
Tires269
- Tire Warnings269
- Tire Maintenance271
- Inspection272
- Loads273
- Dual Tires Matching273
- Dual Tires Mixing273
- Rotation273
  - Rotation Is Advisable273
  - Tire Replacement274
- Wheel and Tire Balancing274
- Wear274
  - Irregular Wear274
- Use of Tire Chains275
Wheels275
- Wheel and Wheel Nut Maintenance and Installation275
  - Wheel Nut Torque Maintenance276
  - Hub-Piloted Wheel Installation Procedures276
Transmission278
- Section 8 - Maintenance Intervals and Specifications279
Lubrication and Maintenance Intervals279
- Maintenance Intervals279
Lubrication and Fluids Charts288
- Components Requiring Lubrication289
- Components Requiring Fluid Check and Fill290
Unit Refill Capacities291
- Cooling System Refill Capacities291
- Diesel Exhaust Fluid Tank291
- Crankcase and Oil Filters291
- Hydraulic Clutch System291
- Power Steering Systems291
- Transmission292
- Rear Axle Unit Refill Capacities292
Lubricant and Sealer Specifications293
Torque Specifications297
- Disc Wheel Nut Torque Chart297
Fuse Charts298
- Typical Luggage Compartment Fuse Panel Layout302
- Typical Under-Hood Power Distribution Module302
- (PDM) Fuse Panel Layout302
- RH Series Light Information306
- Filter List307
International Truck Warranty Program308
Section 9 - Customer Assistance308
Service Information308
Index310
Section 10 - Index310

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General

Brand	Navistar
Model	International LT Series
Category	Trucks
Language	English

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