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Service bulletin 11503

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 id613760
Published by NHTSA2000-08-01
Manufacturer's number11503
Manufacturer's date1998-04-01
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

A TEMPORARY TECHNICAL ASSISTANCE HOTLINE HAS BEEN ESTABLISHED TO HELP WITH DIAGNOSTICS AND / OR MECHANICAL CONCERNS WITH THE NEW VENTURE TRANSFER CASE ON CERTAIN TRUCKS. *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, Transfer case

Vehicles listed
FORD SUPER DUTY F SERIES1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.