# Service bulletin SF\-447A

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: 10043170
- Published by NHTSA: 2012\-02\-29
- Manufacturer's number: SF\-447A
- Manufacturer's date: 2011\-12\-01
- NHTSA component: STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT

## NHTSA's summary

DAIMLER TRUCK \(FREIGHTLINER\): ON RIGHT HAND STEERING ASSIST RAM, WHEN SUSPENSION IS EXTENDED, FULLY, IT MAY CONTACT FRONT SPRING HANGER CASTING, WHICH MAY FRACTURE RAM BALL STUD. WILL REPLACE RIGHT HAND FRONT SPRING HANGER. \*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

Steering, Power steering, Tie rods and steering linkage

## Vehicles listed

- 2007 to 2009 FREIGHTLINER BUSINESS CLASS M2
- 2007 to 2009 FREIGHTLINER COLUMBIA
- 2007 to 2009 FREIGHTLINER FLD
- 2007 STERLING L
- 2007 to 2009 STERLING L\-LINE
- 2007 to 2008 STERLING L9500

## Recalls for the same vehicles and component

- [07V403000](/recalls/nhtsa/07V403000.md), 2007-09-06: STEERING:LINKAGES:TIE ROD ASSEMBLY
- [07V400000](/recalls/nhtsa/07V400000.md), 2007-09-05: STEERING:LINKAGES:TIE ROD ASSEMBLY

## Other bulletins for the same vehicles and component

- [SB\-46\-51](/bulletins/10039609.md), 2011-08-05, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:PUMP; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. FREIGHTLINER: THERE IS A PROCEDURE TO REPLACE THE POWER STEERING PUMP. \*RM
- [SB\-46\-47](/bulletins/10031824.md), 2010-01-13, Service bulletin: STEERING:LINKAGES:TIE ROD ASSEMBLY; STEERING:RACK AND PINION. FREIGHTLINER TRUCK: INNER TIE ROD INSPECTION AND REPAIR, RACK AND PINION GEAR. INCREASED LENGTH OF THE DRIVER SIDE INNER TIE ROD \(IF THE INNER TIE ROD UNTHREADS FROM THE RACK\) MAY CAUSE ABNORMAL STEER TIRE WEAR DUE TO HIGH TOE IN OR AN INABILITY TO MAINTAIN CORRECT TOE IN ADJUSTMENT. NO MODEL YEARS LISTED. \*PE

JSON: [/v1/bulletins/10043170](/v1/bulletins/10043170)

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