# Service bulletin SB\-46\-47

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: 10031824
- Published by NHTSA: 2010\-01\-13
- Manufacturer's number: SB\-46\-47
- Manufacturer's date: 2009\-10\-01
- NHTSA component: STEERING:LINKAGES:TIE ROD ASSEMBLY; STEERING:RACK AND PINION

## NHTSA's summary

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

## 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, Steering gear, Tie rods and steering linkage

## Vehicles listed

- 2008 to 2010 FREIGHTLINER CASCADIA
- 1999 to 2010 FREIGHTLINER CENTURY CLASS
- FREIGHTLINER COLUMBIA
- 1997 to 2000 FREIGHTLINER COLUMBIA
- 2001 to 2010 FREIGHTLINER COLUMBIA

## Recalls for the same vehicles and component

- [11V514000](/recalls/nhtsa/11V514000.md), 2011-10-13: STEERING:RACK AND PINION
- [10V053000](/recalls/nhtsa/10V053000.md), 2010-02-23: STEERING:GEAR BOX:SHAFT PITMAN
- [09V357000](/recalls/nhtsa/09V357000.md), 2009-09-16: STEERING:RACK AND PINION
- [07V592000](/recalls/nhtsa/07V592000.md), 2007-12-21: STEERING:GEAR BOX:SHAFT SECTOR
- [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
- [05V408000](/recalls/nhtsa/05V408000.md), 2005-09-13: STEERING:LINKAGES

## Other bulletins for the same vehicles and component

- [SF\-447A](/bulletins/10043170.md), 2012-02-29, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT. 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
- [SB\-46\-52](/bulletins/10036593.md), 2011-04-04, Service bulletin: STEERING:RACK AND PINION. FREIGHTLINER: INPUT SHAFT SEAL REPLACEMENT, RACK AND PINION STEERING GEAR. WHEN REPLACING AN INPUT SHAFT SEAL ON A RACK AND PINION STEERING GEAR, IT IS PREFERABLE TO USE REPLACEMENT SEAL KIT THY 607157A. NO MODEL YEARS LISTED. \*PE
- [SB\-46\-49](/bulletins/10036592.md), 2011-04-04, Service bulletin: STEERING:RACK AND PINION. FREIGHTLINER: RACK AND PINION STEERING GEAR SERVICE PROCEDURES. UNTIL FURTHER NOTICE, RACK AND PINION REPLACEMENT ASSEMBLIES A14\-17666\-000 AND A14\-17666\-001 ARE NO LONGER AVAILABLE FROM THE DTNA PARTS DISTRIBUTION CENTERS. TIME FRAME FOR AVAILABLE STOCK HAS NOT YET BEEN DETERMINED. DTNA IS WORKING ON RESOLVING SHORTAGE. NO MODEL YEARS LISTED. \*PE
- [SB\-46\-48](/bulletins/10033171.md), 2010-07-21, Service bulletin: STEERING:GEAR BOX \(OTHER THAN RACK AND PINION\). FREIGHTLINER: TRW TAS85 STEERING GEAR INTERNAL LEAKAGE TEST. SOME TRW TAS85 STEERING GEARS HAVE BEEN EQUIPPED WITH AN INTERNAL RELIEF VALVE. THESE STEERING GEARS ARE TYPICALLY INSTALLED WITH POWER STEERING PUMPS THAT HAVE A PRESSURE RELIEF RATING GREATER THAN 2175 PSI \(150 BAR\). THE INTERNAL RELIEF VALVE LIMITS MAXIMUM SUPPLY PRESSURE TO PROTECT THE STEERING GEAR. MODELS FLD CONVENTIONAL, CENTURY CLASS CONVENTIONAL, COLUMBIA, CORONADO, BUSINESS CLASS M2 AND CASCADIA. NO MODEL YEARS LISTED. \*PE
- [46\-45](/bulletins/10026868.md), 2008-12-31, Service bulletin: STEERING:RACK AND PINION. FREIGHTLINER: TIGHTENING OF RACK AND PINION TUBE FITTINGS ON POWER ASSIST LINES IS PROHIBITED. SOME CENTURY CLASS, COLUMBIA AND CASCADIA TRUCKS W/RACK \& PINION STEERING GEARS MAY EXHIBIT LEAKAGE FROM THE TUBE FITTINGS ON THE POWER ASSIST HARD LINES OF THE GEAR. \*PE UPDATED 7/21/10. NO MODEL YEARS LISTED. \*PE

JSON: [/v1/bulletins/10031824](/v1/bulletins/10031824)

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