2021 Volvo VNL Service and Repair Manual
2021 Volvo VNL 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 2021 VNL vehicles. A machining defect may cause pressure to build in the power steering pump, breaking the shaft seal and resulting in a
A loss of power steering assist increases the risk of a crash.
Dealers will replace the power steering pumps, free of charge. Owner notification letters were mail
Volvo Trucks North America (Volvo Trucks) is recalling certain 2021 VNL, VHD, and VNR vehicles. The king pin nut may not have been installed or properly tightened during axle assembly.
If the king pin is missing or not tightened properly, the knuckle may separate from the axle, increa
Volvo Trucks will notify owners, and dealers will inspect the vehicle to make sure that the king pin
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) 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: Turbo Compound 2nd Generation - EGR And / Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information.
CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
CBR: Chassis Equipped With VECU5 Active Datalink/Communication Faults For Multiple Modules; ABS And SRS Communication Faults.
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: It may be possible for Bergstrom controlled Eberspacher Espar parking heaters to ignite and burn for 5 min and never start again.
CBR: After cluster replacement and programming, the Driver Information Display (DID) may not function as designed.
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
Showing the 8 most recent of 150 technical service bulletins on file with NHTSA.
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