Campaign 25V-257

Idler gear bracket fasteners may have been improperly tightened, allowing the idler gear to detach from the engine

Defect summary

Volvo Trucks North America (Volvo Trucks) is recalling certain 2022-2025 Volvo VN and 2025 New VN trucks. The idler gear bracket fasteners may have been improperly tightened, allowing the idler gear to detach from the engine.

Consequence

A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash or injury.

Remedy

Dealers will inspect and replace the turbo compound units as necessary, free of charge. Owner notification letters were mailed April 28, 2025. Owners may contact Volvo Trucks' customer service at 1-800-528-6586. Volvo Trucks' number for this recall is RVXX2504.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or go to nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 25V257000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about engine and cooling on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 25V-257
Make	Model	Model years	Complaints on this component
Volvo	VN	2022 to 2025	0
Volvo	VNL (4)	2025	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "NHTSA investigation" as its origin.

Before the recall

38 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

22V-605 Aug 9, 2022
Engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall
21V-065 Feb 11, 2021
Capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach
18V-668 Sep 25, 2018
In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted
16V-393 Jun 1, 2016
These ECM's may experience an internal electrical short that can cause a fuse to blow, resulting in an unexpected engine stall without the ability…
15V-274 May 11, 2015
Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather,…