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Service bulletin 04266

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 id10014275
Published by NHTSA2005-04-29
Manufacturer's number04266
Manufacturer's date2005-01-01
Replaces052610
NHTSA componentPOWER TRAIN:DRIVELINE

NHTSA's summary

A DRIVELINE CLUNK OR BUMP WHEN STARTING FROM A STOP. *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

Vehicles listed
FORD E SERIES1997 to 2003
FORD E-1502006
FORD E-2502004, 2005, 2006
FORD E-3502004, 2005, 2006
FORD E-4502006
FORD F SUPER DUTY1997
FORD F SUPER DUTY1998 to 2003
FORD F-1501997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
FORD F-2502004
FORD F-250 SD2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
FORD F-3502004
FORD F-3502006
FORD F-350 SD2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
FORD F-450 SD2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
FORD F-550 SD2004, 2005, 2006 (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.

Recalls for the same vehicles and component
19971701997-10-08. Powertrain
97V1710001997-10-07. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
97V1470001997-09-09. POWER TRAIN:AUTOMATIC TRANSMISSION

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
SSM 519092023-10-04. Service bulletin. When performing any transmission fluid changes or topoffs involving MERCON SP, MERCON LV has replaced all versions of MERCON SP and can be used going forward. Mixing MERCON LV and MERCON SP in the same transmission is acceptable. After 30-Jun-2023, MERCON SP ATF will no longer be manufactured and will only be available until inventory depletes.
RFI20210210_624-2021-03-15. Service bulletin. This SKU is a Transmission Line. The customer communication requested return of unsold inventory to inspect the connector. The transmission line connector may have an incorrect thread size, which will prevent it from being installed.
TSB16-01082017-02-21. Service bulletin. SOME 2004-2014 F-150 AND 2006-2008 MARK LT VEHICLES EQUIPPED WITH FOUR-WHEEL DRIVE (4WD) MAY EXHIBIT NOISY OR ENGAGED FRONT HUBS WHEN OPERATING IN TWO-WHEEL DRIVE (2WD) MODE. FOLLOW THE SERVICE PROCEDURE STEPS TO CORRECT THE CONDITION.
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.
CSP-092408CS-012009-12-16. Service bulletin. FORD TRUCK SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. IN THE CASE OF THE ROUSHCHARGER FOR THE F-150, THE TRUCKS CALIBRATION ENHANCEMENTS HAS BEEN DEVELOPED TO BETTER ACCOMMODATE REGIONAL VARIATIONS IN PREMIUM FUEL QUALITY. EVEN THOUGH NOT ALL F-150 ROUSHCHARGED TRUCKS WILL BE AFFECTED BY THESE VARIATIONS. CSC LETTER WAS REC'D. *PE UPDATED 4/12/10. *PE
TSB-08-18-22009-06-26. Service bulletin. FORD/MERCURY/LINCOLN: VEHICLES MAY EXHIBIT ONE OR MORE OF THE FOLLOWING SYMPTOMS: DRIVE AWAY HESITATION, LOSS OF RPM ON DECELERATION, DIFFICULTY STARTING, AND/OR IDLE RPM LESS THAN DESIRED. THE F53 MOTORHOME CHASSIS IS INCLUDED. *PE
202322008-06-03. Service bulletin. 2005-08 F250-550 SUPER DUTY MANUAL TRANSMISSION - CLUTCH PEDAL CONCERN. *NJ
08-5-132008-05-30. Service bulletin. 4.6L/5.4L--MIL P0506 AND/OR P0505--HESITATION/LOSS OF RPM/DIFFICULTY STARTING/LOW IDLE RPM. *NJ
200522008-01-23. Service bulletin. 1999-2008 F250-F550 SUPER DUTY 4X4 WITH ELECTRONIC SHIFT TRANSFER CASE NOT ENGAGING 4X4. *NJ