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Service bulletin 44964

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 id10058199
Published by NHTSA2015-08-13
Manufacturer's number44964
Manufacturer's date2015-03-01
NHTSA componentSUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

NHTSA's summary

FORD 2009-2014 F150: SERVICE INFORMATION REGARDING , DAMAGED 4X4 FRONT PINION BEARING DAMAGE IS NOTED DURING THE REPAIR OF THE FRONT AXLE ON 2009-2014 F150 VEHICLES UNITS OPERATED IN SEVERE COLD CLIMATES. *LJ

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

Vehicles listed
FORD F-1502009, 2010, 2011, 2012, 2013, 2014, 2015

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
SSM 477572019-03-04. Service bulletin. Some 2019 F-150 Raptor vehicles built on or before 15-Nov-2018 may exhibit a harsh or bumpy ride during all driving conditions. To resolve this concern, reprogram the vehicle dynamics control module (VDM) using the latest software version of the appropriate Ford diagnostic scan tool. For claiming, use causal part 18B008 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 460752017-08-01. Service bulletin. Some 2015-2016 F-150 vehicles may exhibit a vibration on acceleration or cruise that is originating from the driveshaft and/or rear axle. During preliminary inspection look for visible driveshaft damage, alignment of the axle pinion flange to driveshaft flange yellow dots, and that the rear driveshaft flange sits flat on the axle pinion flange. If no issues are found, refer to workshop manual section 205-01 to continue with driveshaft diagnosis and testing.
15-01142015-08-17. Service bulletin. FORD F-150 2009-2012 : SOME TRUCKS WITH A 9.75 TRACTION LOK REAR AXLE ASSEMBLY MAY EXHIBIT, DURING TIGHT SLOW TURNS, VIBRATION, CHATTER OR A SHUDDER. *LJ
ASI-444212014-06-25. Service bulletin. FORD: ON SOME TRUCKS, THERE IS NOISE (CHIRP, CLUNK, BOOM) COMING FROM RIGHT FRONT REAR SHOCK ABSORBER, WHEN TRAVELING OVER SHARP, SMALL BUMPS (POTHOLES, FROST HEAVES OR EXPANSION JOINTS, AND MORE APPARENT DURING COLD TEMPERATURES. MODEL 2010-2014 F-150. *PE
ASI-443622014-03-25. Service bulletin. FORD: ON SOME VEHICLES, FLUID IS PRESENT ON SHOCK ABSORBER SHAFT TO BODY INTERFACE OR THERE IS WETNESS AT REAR RESERVOIR SNAP RING AND NO REPLACEMENT SHOULD OCCUR, SINCE SHOCK WEEPAGE IS NORMAL. MODEL 2010-2014 F-150 RAPTOR. *PE
ASI-442812014-02-03. Service bulletin. FORD: THE SHOCK ABSORBER HAS FLUID OR WETNESS AT REAR RESERVOIR SNAP RING AND WEEPAGE OR LEAKAGE IS NORMAL AND WILL NOT HAVE A DETRIMENTAL EFFECT TO LIFT OF SHOCK ABSORBERS OR SUSPENSION. MODEL 2010-2013 F-150. *PE
ASI-322352013-10-24. Service bulletin. FORD: ON SOME TRUCKS, WHILE OPERATING IN 4X2 MODE, THERE WILL BE NOISE COMING FROM FRONT HUB INTEGRATED WHEEL END (IWE) AND WILL CEASE ONCE SHIFTED INTO 4X4 MODE. MODELS 2011-2013 F-150. *PE
TSB-12-11-172013-04-06. Service bulletin. FORD: NOISE IS COMING FROM REAR AXLE ON ACCELERATION, AN INTERMITTENT CLICKING OR SNAPPING, FROM STOP TO REVERSE OR DRIVE. HAPPENS ONLY WHEN CHANGING DIRECTION. MODEL 2012 F-150. *PE
TSB-11-11-62011-12-12. Service bulletin. FORD: WHEN MAKING TIGHT TURNS OR DRIVING SLOW, VEHICLE MAY EXHIBIT A SHUDDER, CHATTER AND/OR VIBRATION, EVEN AFTER COLD STARTUP. *PE