Service bulletin FL631

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)
Type	Service bulletin
NHTSA id	10141035
Published by NHTSA	2018-06-11
Manufacturer's number	FL631
Manufacturer's date	2013-02-01
NHTSA component	STRUCTURE

NHTSA's summary

FL631-DLR Perpendicular Aluminum Air Tank Mounting Brackets

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

Body and frame

Vehicles listed
FREIGHTLINER 114SD	2009, 2010, 2011, 2012
FREIGHTLINER BUSINESS CLASS M2	2009 to 2012
FREIGHTLINER CASCADIA	2009, 2010, 2011, 2012
FREIGHTLINER CORONADO	2009, 2010, 2011, 2012
WESTERN STAR 4700	2009, 2010, 2011, 2012

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

Recalls for the same vehicles and component
2015486	2015-10-16. Structure
11V403000	2011-08-09. STRUCTURE:BODY:BUMPERS

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
SB88-045	2022-02-05. Service bulletin. Revised Freightliner Service Bulletin for Insulating Pad for Solid Cast-Aluminum Rear Hood Support. Minor note: added an update of document previously submitted. The related VMRS codes are added
SB88-044	2022-02-05. Service bulletin. Revised Freightliner Service Bulletin for Braces for Cascadia Cab-Mounted Splash Shields. Minor note: added an update of document previously submitted. The related VMRS codes are added
SB88-042	2022-02-05. Service bulletin. Revised Freightliner Service Bulletin for Hood-Mounted Splash Shield Rivet Replacement. Minor note: added an update of document previously submitted. The related VMRS codes are added
P3SALESCABEND	2021-08-04. Service bulletin. End of Production for the Freightliner P3 Cascadia Sales Cabs. Due to low production volumes, DTNA will be discontinuing the production of the Freightliner Cascadia P3 Sales Cabs.
FAB160	2021-05-18. Service bulletin. Freightliner Action Bulletin FAB160 Rock Guard
FAB155	2021-05-18. Service bulletin. Freightliner Action Bulletin FAB155 Polished stainless steel steps
FAB154	2021-05-18. Service bulletin. Freightliner Action Bulletin FAB154 New options for Cascadia
FAB150	2021-05-18. Service bulletin. Freightliner Action Bulletin FAB150 Bumper guide lights
FAB145	2021-05-18. Service bulletin. Freightliner Action Bulletin FAB145 New Cascadia Roof Fairing
TSN 31-06	2021-05-13. Service bulletin. TSN for the Thermo King Tripac APU located on the right hand frame rail back of cab / sleeper is installed such that the top of the APU is 76mm (3 inches) above the top flange of the frame rail. Under certain turning conditions and fifth wheel configurations it is possible for the trailer to contact the top cover of the Tripac APU.