WenmarOpen by Wenmar Pro

Service bulletin SB-26-49

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 id10036595
Published by NHTSA2011-04-04
Manufacturer's numberSB-26-49
Manufacturer's date2010-11-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

FREIGHTLINER: NEW TRANSMISSION COOLANT LINE CLAMPS. EPA07 VEHICLES EQUIPPED WITH WATER TO OIL TRANSMISSION COOLER IN RADIATOR END TANK, NEW CLAMPS ARE AVAILABLE FOR TRANSMISSION COOLANT LINES. THE NEW CLAMPS REFINES OLDER VERSION TO SUBSTANTIALLY IMPROVE GRIP. 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

Transmission and driveline, Automatic transmission

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22011
FREIGHTLINER CASCADIA2010
FREIGHTLINER CENTURY CLASS2010
FREIGHTLINER COLUMBIA2011
FREIGHTLINER CORONADO2010
FREIGHTLINER FLD2010

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
0405-182018-06-18. Service bulletin. 0405-18 Symptom Diagnostics - Range Up or Down Shift Issue
14TL-72018-03-05. Service bulletin. 14TL-7Rev DD Platform Flywheel Housing Runout Tool W470589032100
811-142017-11-17. Service bulletin. 811-14 FMI 7: Internal Error with the DT12 Shift Stalk Lever
1105-142017-10-21. Service bulletin. 1105-14 Flywheel, Ring Gear and Flywheel Housing