The service and repair manual for the 2021 Volvo VNR — 12.8L and 8.9L I6 and 12.8L I6 and 10.8L I6 engines, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Volvo published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 12.8L 8.9L I6 — 540 cu in, turbocharged 12.8L I6 10.8L I6 — turbocharged |
| Trims | Base Straight Truck - Long Conventional · Base Tractor Truck - Long Conventional |
| Federal record | 6 recalls · 2 complaints · 138 technical service bulletins (refreshed 2026-08-21) |
02 / Known issuesRecalls on federal record for the 2021 VNR
- Steering · 20V241000The loose fasteners may result in a loss of vehicle control, increasing the risk of a crash.
- Electrical System — propulsion system › traction battery › thermal managemen · 23V280000A battery short circuit increases the risk of a fire.
- Equipment Adaptive/Mobility — vehicle controls › braking · 23V255000Overly aggressive braking can result in the rear axle skidding, the brakes locking up, and/or a loss.
- Steering · 20V535000If the king pin is missing or not tightened properly, the knuckle may separate from the axle, increa.
- Service Brakes, Air · 20V536000A dislodged brake pedal would be inoperable, increasing a risk of a crash.
- Equipment — other › labels · 20V384000If the rear axles are overloaded, over time the wheel hubs may fail prematurely, increasing the risk.
Owners have filed 2 complaints and Volvo has issued 138 technical service bulletins for the 2021 VNR. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 VNR manual
Is this manual specific to the 2021 VNR?
Yes. It is the OEM manual matched to the 2021 model year, covering the 12.8L and 8.9L I6 and 12.8L I6 and 10.8L I6 across the Base Straight Truck - Long Conventional, Base Tractor Truck - Long Conventional trims. Specifications and procedure sequences are the ones Volvo published for this year.
What 2021 VNR problems does it help with?
6 recalls are on federal record for the 2021 VNR, covering steering, electrical system, equipment adaptive/mobility. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Volvo dealers.
Does it include 2021 VNR wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
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