Service bulletin SF-471-AB
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10051702 |
| Published by NHTSA | 2013-04-03 |
| Manufacturer's number | SF-471-AB |
| Manufacturer's date | 2012-11-01 |
| NHTSA component | POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT; WHEELS |
NHTSA's summary
DAIMLER TRUCK: THICKNESS AND EXCESS MATERIAL FROM DIE PUNCHING MAY PREVENT RETAINING SNAP RINGS FROM FULLY SEATING IN DIFFERENTIAL LOCK SHIFT FORK ASSEMBLIES, CAUSING DIFFERENTIAL LOCK TO REMAIN UNENGAGED OR ENGAGED. MODELS 2011-2012 BUSINESS CLASS M2, CASCADIA, COLUMBIA, CORONADO, WESTERN STAR 4900. *PE
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Transmission and driveline, Wheels, Axle
| FREIGHTLINER BUSINESS CLASS M2 | 2011 to 2012 |
|---|---|
| FREIGHTLINER CASCADIA | 2011, 2012 |
| FREIGHTLINER COLUMBIA | 2011, 2012 |
| FREIGHTLINER CORONADO | 2011, 2012 |
| FREIGHTLINER WESTERN STAR | 2011 to 2012 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| SF471 | 2018-06-11. Service bulletin. SF471-DLR Detroit Axles Driver-Controlled Differential Locks |
|---|---|
| FL662 | 2017-11-17. Service bulletin. FL662.-DLR Meritor MSF12 Non-Conforming Front Axle Beams |
| sb4271 | 2017-10-21. Service bulletin. sb4271 Rear Axle S-Cam Support Bracket Replacement |