2020 Volvo VNX Service and Repair Manual

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Factory-Grade Data

2020 Volvo VNX 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

Engines covered

  • 12.8L 780Cu. In. 6 DIESEL

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

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Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2020 Volvo VNX Recalls & Complaints

NHTSA #19V20800018/03/2019Component: STRUCTURE:BODY

Volvo Trucks North America (Volvo Trucks) is recalling certain 2018-2020 VNL and VNX vehicles configured as 740 and 760 sleeper models. The sleeper bunk window may detach and fall from the vehicle.

Consequence

If a window detaches from the vehicle, it may strike another vehicle or pedestrian, increasing the r

Remedy

Volvo Trucks has notified owners, and dealers will replace the window hinge, free of charge. Owners

TSB #10253821

CBR: Turbo Compound 2nd Generation - EGR And / Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information.

TSB #10253819

CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.

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 #10251323

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

TSB #10251319

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

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

Showing the 8 most recent of 174 technical service bulletins on file with NHTSA.

No complaints filed No consumer complaints on file with NHTSA for the 2020 Volvo VNX.
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