2020 Volvo VNR Service and Repair Manual
2020 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.
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Volvo Trucks North America (Volvo Trucks) is recalling certain 2020-2021 VNL and VNR trucks. The steering gear fasteners may have not been properly tightened.
The loose fasteners may result in a loss of vehicle control, increasing the risk of a crash.
Volvo Trucks will notify owners, and dealers will tighten the steering gear fasteners to specificati
Volvo Trucks North America (Volvo Trucks) is recalling certain 2020 VNL and VNR vehicles equipped with HD94 Sheppard gear variants. The steering gear mounting fasteners may be insufficiently tightene
A loose steering gear can cause a loss of vehicle control, increasing the risk of a crash.
Volvo Trucks will notify owners, and dealers will inspect and re-torque the steering gear to a highe
Volvo Trucks North America (Volvo Trucks) is recalling certain 2020-2024 VNR Electric vehicles. The coolant line in the high voltage battery pack may not be fully seated and locked, which can result
A battery short circuit increases the risk of a fire.
Volvo Trucks will work with the battery manufacturer Akasol to inspect and replace the batteries, as
Volvo Trucks North America (Volvo Trucks) is recalling certain 2020-2023 VNR Electric vehicles equipped with Adaptive Cruise Control (ACC). When the adaptive cruise control braking activates under li
Overly aggressive braking can result in the rear axle skidding, the brakes locking up, and/or a loss
Dealers will secure wiring and remove radar antennas and brackets from the vehicle. The anti-lock b
Volvo Trucks North America (Volvo Trucks) is recalling certain 2020-2021 VAH, VHD, VNL and VNR vehicles. The die cast pedal plate may break at one of its attachment points, possibly resulting in the
A dislodged brake pedal would be inoperable, increasing a risk of a crash.
Volvo Trucks will notify owners, and dealers will inspect and replace the pedal plates if required,
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,
The deformation of the air tank strap t-bolts may cause the t-bolt to disconnect from the strap allo
Volvo Trucks will notify owners, and dealers will inspect and replace the air tank strap, if necessa
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: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head.
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID)
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
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
Fleet Improvement Campaign: (ABS) Software Update and Brake Inspection
Showing the 8 most recent of 149 technical service bulletins on file with NHTSA.
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