Service bulletin AS-21766
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10039052 |
| Published by NHTSA | 2011-07-07 |
| Manufacturer's number | AS-21766 |
| Manufacturer's date | 2011-03-01 |
| NHTSA component | SUSPENSION:FRONT:HUB |
NHTSA's summary
FORD: IN COLD WEATHER THERE IS A FRONT HUB ENGAGEMENT CONCERN. 2011 F SUPER DUTY. *RM
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
| FORD F-250 SD | 2011 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| FORD F-350 SD | 2011 (the catalog's model; the bulletin names a series or trim of it) |
| FORD F-450 SD | 2011 (the catalog's model; the bulletin names a series or trim of it) |
| FORD F-550 SD | 2011 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| SSM 48494 | 2020-02-04. Service bulletin. Some 2005-2020 F-Super Duty 4x4 vehicles operated in extreme dust, mud or tar sand conditions may exhibit accelerated 4x4 vacuum hub seal and or wheel bearing wear as a result of harsh operating conditions. A knuckle seal shield kit is now available for customer purchase. The kit is designed for severe duty and is non warrantable. The knuckle seal shield kit GC3Z-54024A38-A includes an installation instruction sheet |
|---|---|
| SSM 47979 | 2019-06-06. Service bulletin. Some 2005-2019 F-Super Duty 4x4 vehicles operated in extreme dust, mud or tar sand conditions may exhibit accelerated 4x4 vacuum hub seal and or wheel bearing wear as a result of harsh operating conditions. A knuckle seal shield kit is now available for customer purchase. The kit is designed for severe duty and is non warrantable. The knuckle seal shield kit GC3Z-54024A38-A includes an installation instruction sheet |
| TSB-14-0161 | 2015-07-31. Service bulletin. FORD: PROCEDURE INFORMATION REGARDING THE CHANGE IN VEHICLE ATTITUDE APPEARANCE BY RAISING REAR OF TRUCK AND MODIFICATION STEPS ACCORDING TO SPECIFICATIONS OF ENGINEERING. MODEL 2011-15 F-250 SD. *PE |
| 12-2-5 | 2012-05-14. Service bulletin. FORD: SOME VEHICLES EXHIBIT A 4X4 NOT ENGAGING, NOT STAYING ENGAGED AND/OR UNLOCKING IN EXTREME COLD TEMPERATURES BELOW -18 DEGREES CELSIUS OR 0 DEGREES FAHRENHEIT. INCLUDE FORD MODEL F250, F350,F450, AND F550 MODEL YEARS 2011-2012. *JS |
| CSP-10B21 | 2011-09-21. Service bulletin. FORD: 2011 F250. INCORRECT REAR SPRINGS WERE INSTALLED. THERE MAY BE STEERING WANDER WHEN PULLLING A VEHICLE. *RM |