TSB 12905 — Ford Service bulletin
12905 is a service bulletin on file with NHTSA for 7 Ford models, 1991–1999 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS ON VEHICLES EQUIPPED WITH A FOUR WHEEL DRIVE HI OR LOW RANGE MODE.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 12905 names
| Vehicle | Model years |
|---|---|
| Ford Bronco | 1991, 1992, 1993, 1995, 1996, 1997, 1998, 1999 |
| Ford Expedition | 1991, 1993, 1994, 1995, 1996 |
| Ford Explorer | 1991 |
| Ford F-150 | 1991, 1992, 1993 |
| Ford F-250 | 1991, 1992, 1993 |
| Ford F-350 | 1991, 1992, 1993, 1998 |
| Ford Ranger | 1991, 1992 |
Every document filed under 12905
| Document ID | Filed | Type |
|---|---|---|
| 12905 | June 1, 1999 | Service bulletin |
What 12905 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 12905?
12905 is a service bulletin filed with NHTSA by Ford, covering 7 Ford models across the 1991–1999 model years. NHTSA's summary reads: SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS ON VEHICLES EQUIPPED WITH A FOUR WHEEL DRIVE HI OR LOW RANGE MODE.
Which vehicles does 12905 cover?
NHTSA's file names Ford Bronco (1991–1993, 1995–1999); Ford Expedition (1991, 1993–1996); Ford Explorer (1991); Ford F-150 (1991–1993); Ford F-250 (1991–1993); Ford F-350 (1991–1993, 1998); Ford Ranger (1991–1992). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB 12905 a recall, and is the repair free?
No. 12905 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of 12905?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 12905, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 12905. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.