The defect
OVERSIZED ROTORS WERE INSTALLED IN THE POWERTRAIN DRIVE MOTORS IN THESE BUSES.
The risk
WHEN THE BUS IS IN SERVICE AND THE OVERSIZED ROTOR INSIDE THE ELECTRIC POWERTRAIN MOTOR BECOMES HEATED, THE ROTOR EXPANDS CAUSING THE MOTOR TO BECOME SLUGGISH, STALL AND COULD SEIZE, FAILING COMPLETELY.
The remedy
NORTHRUP-GRUMMAN WILL PERFORM THE MODIFICATION TO THESE POWERTRAIN DRIVE MOTORS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Blue Bird Q-BUS | 1996 |
| Blue Bird TC2000 | 1996 |
Components: POWER TRAIN
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Blue Bird Q-BUS | 1996 | 0 | 2 |
| Blue Bird TC2000 | 1996 | 3 | 13 |
Other power train recalls in 1996
10 of the 297 recall campaigns reported to NHTSA in 1996 concerned the power train; BLUE BIRD BODY COMPANY filed 251 campaigns in all.
| 96V255000 23 Dec 1996 | MACK TRUCKS, INCORPORATED |
| 96V243000 5 Dec 1996 | HINO DIESEL TRUCKS(USA) |
| 96V190000 4 Oct 1996 | UTILIMASTER CORPORATION |
| 96V176000 18 Sept 1996 | FORD MOTOR COMPANY |
| 96V166000 5 Sept 1996 | FORD MOTOR COMPANY |
| 96V086000 14 May 1996 | FORD MOTOR COMPANY |
| 96V035000 22 Feb 1996 | GENERAL MOTORS CORP. |
| 96V015000 23 Jan 1996 | GENERAL MOTORS CORP. |
NHTSA recalls (public domain) · all recalls of 1996