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Volvo VNR Recall 20V782: Park Brakes May Apply Unexpectedly, Risking Loss of Control

NHTSA campaign 20V782, reported December 15, 2020, 6,982 vehicles potentially affected.

What this recall means for you

Damaged collets (internal jaws) in the brass fittings of the pneumatic pass-through plate may allow an air brake line to fully release from the plate while the system is under pressure. If this happens on the park brake circuit, the signal pressure that holds off the mechanical spring in the park brake chambers is lost, and the park brakes can apply unexpectedly.

An unexpected park brake application can cause the driver to lose control of the vehicle, which increases the risk of a crash.

The repair is free. Authorized dealers will inspect the air brake line to confirm the fitting is properly engaged in the pass-through plate. Volvo Trucks will notify owners, and you can contact Volvo Trucks customer service at 1-800-528-6586. Check your VIN for open recalls to see whether your vehicle is affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 20V782Volvo Trucks North America
Component
SERVICE BRAKES, HYDRAULIC:CRITICAL FASTENERS
Problem
Volvo Trucks North America (Volvo Trucks) is recalling 2021 VNL, VNR, VAH, and VHD vehicles. The collets (internal jaws) for the brass fitting inserts used in the pneumatic pass-through plate may have been damaged during leak testing. As a result, the brass fitting may completely release the air brake line from the pass-through plate while under pressure. If this occurs on the park brake circuit, signal pressure that holds off the mechanical spring in the park brake chambers will be lost allowing the park brakes to apply.
Risk
If the park brakes apply unexpectedly, the driver may lose control of the vehicle, increasing the risk of a vehicle crash.
Remedy
Volvo Trucks will notify owners, and dealers will inspect the air brake line for proper engagement of the fitting in the pass-through plate, free of charge. The recall is expected to begin January 31, 2021. Owners may contact Volvo Trucks customer service at 1-800-528-6586. Volvo Trucks' number for this recall is RVXX2006.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Volvo VAH2021
Volvo VHD2021
Volvo VNL2021
Volvo VNR2021