Allison Transmission, Inc B3400, Allison Transmission, Inc B400 Series Transmission: Power Train recall
NHTSA campaign 23E079000 · 8,498 units potentially affected · filed Oct 11, 2023
What's wrong
Allison Transmission, Inc. (ATI) is recalling certain models B3400xFE_R and B400R, with part numbers B3400xFE_R and B400R. The transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power.
Why it matters
A sudden loss of drive power can increase the risk of a crash. Additionally, a disabled bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.
The fix
Dealers will inspect the output yoke bolts, and if necessary, tighten loose output yoke bolts, free of charge. Owner notification letters were mailed December 9, 2023. Owners may contact ATI customer service at 1-317-242-5000. ATI's number for this recall is 2023FA04.
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.
Recall details
- NHTSA campaign
- 23E079000
- Manufacturer no.
- 2023FA04
- Manufacturer
- Allison Transmission, Inc.
- Component
- POWER TRAIN:DRIVELINE:DRIVESHAFT
- Units affected
- 8,498
- Report received
- Oct 11, 2023
- Owner letters
- Dec 9, 2023
- Type
- Equipment
Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.