WenmarOpen by Wenmar Pro

Service bulletin 03B10

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 id10004489
Published by NHTSA2003-12-17
Manufacturer's number03B10
Manufacturer's date2003-10-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

REAR AXLE OIL REPLACEMENT. CUSTOMER SATISFACTION PROGRAM 03B10. VEHICLE BUILT WITH REAR AXLE (DIFFERENTIAL) OIL MAY HAVE BEEN CONTAMINATED BY AUTOMATIC TRANSMISSION FLUID (ATF). *TT

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
FORD F-650 SD2004 (the catalog's model; the bulletin names a series or trim of it)
FORD F7502004

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
ASI-445342014-10-01. Service bulletin. FORD: WHEN SHIFTING BETWEEN PARK, REVERSE AND/OR DURING 2-3 SHIFT, AN INTERMITTENT CLUNK OCCURS WITH A TORQSHIFT TRANSMISSION. MODEL 2003-2014 F-SUPER DUTY, E SERIES, EXCURSION, F-53 MOTORHOME CHASSIS, LOW CAB FORWARD. *PE
ASI-444042014-06-24. Service bulletin. FORD: ON SOME TRUCKS, THERE IS A NO CRANK SITUATION AND IF VOLTAGE ON TRANSMISSION RANGE SENSOR AT PIN 21, IS LESS THAN 5 VOLTS, DISCONNECT THE ENGINE COOLING FAN CLUTCH, ELECTRONICALLY, AND RECHECK VOLTAGE. MODEL 2003-2007 F SUPER DUTY, 2004-2010 E SERIES, 2003-2005 EXCURSION.
042262005-04-18. Service bulletin. F-650 750 WITH CATERPILLAR 3126 ENGINE AND ALLISON ELECTRONIC TRANSMISSION ERRATIC SHIFT POINTS. *EH
0416112005-01-07. Service bulletin. LACK OF POWER AND EXCESSIVE SMOKE FROM TAIL PIPE - COLD START. *AR