2019 Volvo VNR 400 Service and Repair Manual

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Fits the 2019 VNR 400 — Base Tractor Truck - Long Conventional 2-Door ·
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2019 Volvo VNR 400 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 Tractor Truck - Long Conventional 2-Door

Engines covered

  • 10.8L 661Cu. In. l6 DIESEL SOHC Turbocharged
  • 12.8L 780Cu. In. l6 DIESEL SOHC 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 #18V54200016/08/2018Component: TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

Volvo Trucks North America (Volvo) is recalling certain 2019 Volvo VNL and VNR trucks equipped with Jost fifth wheel couplings. The fifth wheel may have an outboard slider bracket that is too narrow,

Consequence

If the trailer separates from the tractor, it can increase the risk of a crash.

Remedy

Volvo will notify owners, and dealers will inspect the fifth wheel slider bracket, replacing it as n

NHTSA #19V51000002/07/2019Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Volvo Trucks North America (Volvo Trucks) is recalling certain 2019-2020 VAH, VHD, VNL, and VNR vehicles. The t-bolt clasps on the transmission auxiliary air tank straps may have been over-tightened,

Consequence

The deformation of the air tank strap t-bolts may cause the t-bolt to disconnect from the strap allo

Remedy

Volvo Trucks will notify owners, and dealers will inspect and replace the air tank strap, if necessa

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

No service bulletins No technical service bulletins on file with NHTSA for the 2019 Volvo VNR 400.
No complaints filed No consumer complaints on file with NHTSA for the 2019 Volvo VNR 400.

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