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Service bulletin 9946

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 id606733
Published by NHTSA1999-09-01
Manufacturer's number9946
Manufacturer's date1999-01-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

CONCERNS WITH TRANSMISSION FLUID LEAKING AT THE RADIATOR. *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 EXPEDITION1997, 1998, 1999
FORD EXPLORER1997, 1998, 1999
FORD F-1501997, 1998, 1999
FORD F-2501997, 1998, 1999
FORD MUSTANG1997, 1998, 1999
FORD RANGER1998, 1999
FORD SUPER DUTY F SERIES1999
LINCOLN NAVIGATOR1998, 1999
MERCURY MOUNTAINEER1998, 1999

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

Recalls for the same vehicles and component
00V3950002000-11-28. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
99V2040001999-07-28. POWER TRAIN:AUTOMATIC TRANSMISSION
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
0421072005-04-28. Service bulletin. GENERAL (PCM) POWER TRAIN CONTROL MODULE PROGRAMMING PROCEDURES. *TT
042172005-04-15. Service bulletin. GENERAL POWER TRAIN CONTROL MODULE (PCM) PROGRAMMING PROCEDURES. *TT
183762005-04-14. Service bulletin. A COLD WEATHER REVERSE ENGAGEMENT STALL. *TT
032612004-07-26. Service bulletin. NEW SERVICE PART - NUMBER 5 NEEDLE BEARING AND RACE KIT - 4R70W TRANSMISSION - SERVICE TIP. *TT
031482003-10-29. Service bulletin. NEW TRANSMISSION COOLER FLUSHER - SERVICE TIPS. 2003 ESCORT AND SUPER DUTY F SERIES INCLUDED. *TT
157492002-11-07. Service bulletin. SOME VEHICLES EQUIPPED WITH 4 WHEEL DRIVE MAY EXHIBIT A NOTCHY OR STICKING FEELING IN SLOW SPEED TURNS WITH NO EFFECT ON STEERING EFFORTS OR ASSIST WHILE IN THE AUTOMATIC 4X4 POSITION. *TT
160332002-11-06. Service bulletin. SOME VEHICLES WITH ELECTRONIC SHIFT-ON-THE FLY MAY EXHIBIT AN INADVERTENT 4X4 LOW ENGAGEMENT WHILE DRIVING. *TT
011812001-11-30. Service bulletin. BRAKE SHIFT INTERLOCK.*JB
151092001-11-08. Service bulletin. A COLD WEATHER REVERSE ENGAGEMENT STALL. *YD
011662001-11-01. Service bulletin. SOME VEHICLES MAY EXHIBIT WATER IN THE TRANSFER CASE, THIS COULD CAUSE LOW RANGE 4X4 LAMP TO ILLUMINATE, SHORT OF TRANSFER CASE SWITCH, OR WINDSHIELD WIPERS TO BE ERRATIC OR INOPERATIVE. *SLC