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Service bulletin sb3250

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10141723
Published by NHTSA2018-06-18
Manufacturer's numbersb3250
Manufacturer's date2018-02-26
NHTSA componentSUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

sb3250 Incorrect ECAS Ride Height Sensor and Linkage InstallationB

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Suspension, Air suspension

Vehicles listed
FREIGHTLINER CASCADIA2009, 2010, 2011, 2012, 2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
4952014-05-07. Service bulletin. ELECTRONICALLY CONTROLLED AIR SUSPENSION IS BEING REPLACED. *LJ UPDATED 6/26/14. *PE UPDATED 7/3/14. *PE
SB-32-482011-08-05. Service bulletin. FREIGHTLINER: THE REAR SUSPENSION AIR SPRING HAS BEEN REDESIGNED. *RM
SB-32-402011-05-06. Service bulletin. DAIMLER TRUCKS: TROUBLESHOOTING FOR A MISALIGNMENT OF THE SUSPENSION AIR SPRINGS. *RM
SB-60-1422009-10-08. Service bulletin. FREIGHTLINER: NEW MEDIUM BIAS AIR SPRINGS (18-52651-000) SUPERSEDED LOW BIAS AIR SPRINGS (18-40977-000) IN PRODUCTION ON 12/15/ 08/ OF REPLACING ONE AIR SPRING, DO NOT MATCH A LOW BIAS SIR SPRING WITH A MEDIUM BIAS ONE.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