# 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

## Vehicles listed

- 2011 to 2012 FREIGHTLINER BUSINESS CLASS M2
- 2011 to 2012 FREIGHTLINER CASCADIA
- 2011 to 2012 FREIGHTLINER COLUMBIA
- 2011 to 2012 FREIGHTLINER CORONADO
- 2011 to 2012 FREIGHTLINER WESTERN STAR

## Other bulletins for the same vehicles and component

- [SF471](/bulletins/10141030.md), 2018-06-11, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. SF471\-DLR Detroit Axles Driver\-Controlled Differential Locks
- [FL662](/bulletins/10124170.md), 2017-11-17, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. FL662.\-DLR Meritor MSF12 Non\-Conforming Front Axle Beams
- [sb4271](/bulletins/10120471.md), 2017-10-21, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. sb4271 Rear Axle S\-Cam Support Bracket Replacement

JSON: [/v1/bulletins/10051702](/v1/bulletins/10051702)

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