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Service bulletin SB-49-27

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 id10036648
Published by NHTSA2011-04-06
Manufacturer's numberSB-49-27
Manufacturer's date2010-10-01
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

FREIGHTLINER: EXHAUST STACK CLAMP FAILURE; EPA07 VERTICAL ATD. A DUAL BAND EXHAUST STACK CLAMP, FAILS ON AN EPA07 VEHICLE WITH A VERTICAL ATD, REPLACE IT WITH SINGLE BAND CLAMP. *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

Equipment and accessories

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22010 to 2011
FREIGHTLINER CASCADIA2010
FREIGHTLINER CENTURY CLASS2010
FREIGHTLINER COLUMBIA2011
FREIGHTLINER CORONADO2010

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

Recalls for the same vehicles and component
17V8100002017-12-15. EQUIPMENT
12V4050002012-08-16. EQUIPMENT
10V5510002010-11-04. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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TechTalk47252020-09-30. Service bulletin. Tech Talk discussion about power steering fluid.