Campaign 21V-904

Rear axle drive pinion may fracture

Defect summary

E-One Incorporated (E-One) is recalling certain 2022 Cyclone 2, Cyclone N, Typhoon, and Typhoon N vehicles. The rear axle drive pinion may fracture.

Consequence

A fractured drive pinion may contact the brake drop hose and unintentionally engage the parking brake, increasing the risk of a crash.

Remedy

Meritor will inspect and replace the drive pinion, as necessary, free of charge. Owner notification letters were mailed on January 05, 2022. Owners may contact E-One customer service at 1-352-237-1122.

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.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 21V904000. Text as published by NHTSA.

Vehicles covered

4 product lines are covered

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

Vehicles covered by campaign 21V-904
Make	Model	Model years
E-one	Cyclone II	2021
E-one	Cyclone N	2021
E-one	Typhoon	2021
E-one	Typhoon N	2021

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 "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

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

26V-454 Jul 15, 2026
Drive/pump mode transfer case may disengage, causing loss of power to the rear wheels
23V-459 Jun 30, 2023
Transmission cooler may be insufficiently welded, which can result in engine coolant contaminating the transmission fluid
20V-546 Sep 9, 2020
Lower shock mount bracket may cause the U-bolts to bind and break, possibly preventing the rear axle from remaining secured
16V-567 Aug 1, 2016
Affected vehicles may be equipped with certain C20 and C21 split-shaft transmissions from Waterous