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Service bulletin 15780

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 id637471
Published by NHTSA2002-11-26
Manufacturer's number15780
Manufacturer's date2002-04-01
NHTSA componentPOWER TRAIN

NHTSA's summary

SOME VEHICLES MAY EXHIBIT A FRONT OR REAR PINION SEAL LEAK. *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 EXCURSION1999
FORD EXCURSION2000, 2001
FORD SUPER DUTY F SERIES1999 to 2001

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
183762005-04-14. Service bulletin. A COLD WEATHER REVERSE ENGAGEMENT STALL. *TT
041852005-04-08. Service bulletin. FRONT HUBS NOT ENGAGING, NOT STAYING ENGAGED AND/OR UNLOCKING. *TT
178292004-08-05. Service bulletin. TRANSFER CASE SHIFT ISSUES ON VEHICLES WITH AN ELECTRONIC SHIFT ON THE FLY (ESOF) TRANSFER CASE. *TT
041162004-07-24. Service bulletin. FRONT HUBS NOT ENGAGING, NOT STAYING ENGAGED AND/OR UNLOCKING. *TT
031482003-10-29. Service bulletin. NEW TRANSMISSION COOLER FLUSHER - SERVICE TIPS. 2003 ESCORT AND SUPER DUTY F SERIES INCLUDED. *TT
169252003-09-09. Service bulletin. NO ENGAGEMENT OR DISENGAGEMENT OF HUB LOCKS AFTER REPLACEMENT OR SERVICE. TO INCLUDE 2000-2003 EXCURSIONS. *TT
156862002-11-07. Service bulletin. CONCERNS OF DIAGNOSTIC TROUBLE CODE P1280 RETRIVED FROMTHE POWER TRAIN CONTROL MODULE (PCM). *TT
011812001-11-30. Service bulletin. BRAKE SHIFT INTERLOCK.*JB
150072001-10-23. Service bulletin. SOME VEHICLES EQUIPPED WITH A 4R100 AUTOMATIC TRANSMISSION MAY EXHIBIT A REVERSE ENGAGEMENT STALL. *TT
011352001-09-05. Service bulletin. SOME VEHICLES EQUIPPED WITH 4R100 TRANSMISSION, HAVING A TRANSMISSION BUILD DATE BETWEEN 7/27/2000 AND 3/23/2001, MAY EXHIBIT AN INTERMITTENT, DELAYED OR NO SECOND GEAR CONDITION. *TT