# Service bulletin SB\-60\-142

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: 10030468
- Published by NHTSA: 2009\-10\-08
- Manufacturer's number: SB\-60\-142
- Manufacturer's date: 2009\-06\-01
- NHTSA component: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

## NHTSA's summary

FREIGHTLINER: NEW MEDIUM BIAS AIR SPRINGS \(18\-52651\-000\) SUPERSEDED LOW BIAS AIR SPRINGS \(18\-40977\-000\) IN PRODUCTION ON 12/15/ 08/ OF REPLACING ONE AIR SPRING, DO NOT MATCH A LOW BIAS SIR SPRING WITH A MEDIUM BIAS ONE. THE TWO TYPES OF AIR SPRINGS HAVE DIFFERENT SPRING RATES, AND WILL HAVE A SLIGHTLY DIFFERENT RIDE HEIGHT AT THE SAME AIR PRESSURE. IF A MATCHING LOW BIAS AIR SPRING IS NOT AVAILABLE, REPLACE BOTH WITH MEDIUM BIAS AIR SPRINGS. 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

Suspension, Air suspension

## Vehicles listed

- 2010 FREIGHTLINER BUSINESS CLASS M2
- 2010 FREIGHTLINER CASCADIA
- 2010 FREIGHTLINER CENTURY CLASS
- FREIGHTLINER COLUMBIA
- 2010 FREIGHTLINER COLUMBIA
- FREIGHTLINER CORONADO
- 2010 FREIGHTLINER CORONADO
- FREIGHTLINER FLD
- 2010 FREIGHTLINER FLD

## Other bulletins for the same vehicles and component

- [sb3250](/bulletins/10141723.md), 2018-06-18, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM; EQUIPMENT. sb3250 Incorrect ECAS Ride Height Sensor and Linkage InstallationB
- [SB\-32\-48](/bulletins/10039606.md), 2011-08-05, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. FREIGHTLINER: THE REAR SUSPENSION AIR SPRING HAS BEEN REDESIGNED. \*RM
- [SB\-32\-40](/bulletins/10037110.md), 2011-05-06, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM:SPRINGS/BAGS. DAIMLER TRUCKS: TROUBLESHOOTING FOR A MISALIGNMENT OF THE SUSPENSION AIR SPRINGS. \*RM

JSON: [/v1/bulletins/10030468](/v1/bulletins/10030468)

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