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Service bulletin 15798

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 id637517
Published by NHTSA2002-12-02
Manufacturer's number15798
Manufacturer's date2002-04-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

SOME VEHICLES EQUIPPED WITH A 7.3L DI, 4R100 TRANSMISSION AND BUILT BEFORE DECEMBER 10, 2001 MAY REMAIN IN 2ND GEAR WITH THE GEAR SHIFT LEVER IN THE FIRST GEAR POSITION. *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, Manual transmission

Vehicles listed
FORD EXCURSION2002
FORD F-250 SD2002 (the catalog's model; the bulletin names a series or trim of it)
FORD F-350 SD2002 (the catalog's model; the bulletin names a series or trim of it)
FORD F-450 SD2002 (the catalog's model; the bulletin names a series or trim of it)
FORD F-550 SD2002 (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.

Other bulletins for the same vehicles and component
178222004-08-05. Service bulletin. MANUAL TRANSMISSION FLUID LEAK. *TT
157112002-11-07. Service bulletin. SOME VEHICLES EQUIPPED WITH A 5-SPEED MAZDA R2 MANUAL TRANSMISSION MAY EXHIBIT A HIGH EFFORT CONDITION WHEN SHIFTING ANY GEAR. *TT
156072002-04-19. Service bulletin. CONCERNS WITH TR4050 MANUAL TRANSMISSION EXHIBITING A NO ENGAGEMENT FROM 1ST TO 2ND GEAR. *TT