TSB 01B77 — Ford Service bulletin
01B77 is a service bulletin on file with NHTSA for 3 Ford models, 1991–1996 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. OWNER NOTIFICATION PROGRAM SUPPLEMENT 7 REVISED INFORMATION - REGARDING REPLACEMENT OF WILDERNESS AT TIRES.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 01B77 names
| Vehicle | Model years |
|---|---|
| Ford Bronco | 1991, 1992, 1993, 1994 |
| Ford Explorer | 1991, 1992, 1993, 1994, 1995, 1996 |
| Ford Ranger | 1991, 1992, 1993, 1994, 1995, 1996 |
Every document filed under 01B77
| Document ID | Filed | Type |
|---|---|---|
| 01B77 | October 1, 2001 | Service bulletin |
What 01B77 covers
Wheels & tires — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 01B77?
01B77 is a service bulletin filed with NHTSA by Ford, covering 3 Ford models across the 1991–1996 model years. NHTSA's summary reads: OWNER NOTIFICATION PROGRAM SUPPLEMENT 7 REVISED INFORMATION - REGARDING REPLACEMENT OF WILDERNESS AT TIRES.
Which vehicles does 01B77 cover?
NHTSA's file names Ford Bronco (1991–1994); Ford Explorer (1991–1996); Ford Ranger (1991–1996). 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 01B77 a recall, and is the repair free?
No. 01B77 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 01B77?
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 01B77, 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 01B77. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.