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
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.
If the fuse blows the transmission may not shift, increasing the risk of a crash.
Volvo Trucks will notify owners, and dealers will inspect and replace the fuse, if necessary, free o
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
If the rear axles are overloaded, over time the wheel hubs may fail prematurely, increasing the risk
Volvo will notify owners and send corrected replacement labels, free of charge. The recall began Au
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.
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID)
CBR - Telematics Gateway (TGW) Connect Ability Issues.
CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer
CBR: TGW Will Not Connect After SIM Card Replacement
CBR: 11L Engine - Air Conditioner (A/C) Line Damaged At Bracket - Model Year 2007 to Present.
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.
