2018 Volvo VNR Service and Repair Manual

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Covers all 2018 VNR trims — Base Straight Truck - Long Conventional, Base Tractor Truck - Long Conventional ·
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2018 Volvo VNR service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Straight Truck - Long Conventional
  • Base Tractor Truck - Long Conventional

Engines covered

  • 12.8L 780Cu. In. 6 DIESEL
  • 10.8L 661Cu. In. l6 DIESEL Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #19V50900002/07/2019Component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

Volvo Trucks North America (Volvo Trucks) is recalling certain 2018-2020 VAH, VHD, VNL, and VNR vehicles. The fuse in the transmission circuit may blow, preventing the transmission from shifting.

Consequence

If the fuse blows the transmission may not shift, increasing the risk of a crash.

Remedy

Volvo Trucks will notify owners, and dealers will inspect and replace the fuse, if necessary, free o

NHTSA #20V38400001/07/2020Component: EQUIPMENT:OTHER:LABELS

Volvo Trucks North America (Volvo) is recalling certain 2018-2021 VNL and VNR buses. The Gross Axle Weight Rating (GAWR) for the rear drive axles stated on the Federal Certification Label exceeds the

Consequence

If the rear axles are overloaded, over time the wheel hubs may fail prematurely, increasing the risk

Remedy

Volvo will notify owners and send corrected replacement labels, free of charge. The recall began Au

TSB #10252316

CBR: On a Volvo Chassis - US16 - with the Bendix Lane Departure Warning System ( LDW )the alarm would not cancel once the turn signals were activated.

TSB #10251319

CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.

TSB #10251323

CBR - Active "Set Park Brake" Message On Drivers Information Display (DID)

TSB #10251325

CBR - Telematics Gateway (TGW) Connect Ability Issues.

TSB #10251317

CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer

TSB #10249569

CBR: TGW Will Not Connect After SIM Card Replacement

TSB #10248063

CBR: 11L Engine - Air Conditioner (A/C) Line Damaged At Bracket - Model Year 2007 to Present.

TSB #10248086

Emissions Campaign: Volvo has determined that certain 2014 -2018 model year VN, VHD, and VAH Vehicles require a replacement Diesel Particulate Filter (DPF) along with updated software.

Showing the 8 most recent of 144 technical service bulletins on file with NHTSA.

No complaints filed No consumer complaints on file with NHTSA for the 2018 Volvo VNR.

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