TSB 9100870 — Jeep Service bulletin
9100870 is a service bulletin on file with NHTSA for the Jeep Cherokee, 2026 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. DIFFERENTIAL Rear Axle If replacing the Rear axle and going from AA to AC level, the bolt hole on the top of the axle will not have threads cut into it. Bolt: 06513614AA and Nut: 06512603AA will need to be ordered as well to be able to install the new axle.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 9100870 names
| Vehicle | Model years |
|---|---|
| Jeep Cherokee | 2026 |
Every document filed under 9100870
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| 9100870 | July 27, 2026 | Service bulletin |
| 9100870 Rev 1 | July 27, 2026 | Service bulletin |
What 9100870 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 9100870?
9100870 is a service bulletin filed with NHTSA by Jeep, covering the Jeep Cherokee across the 2026 model years. NHTSA's summary reads: DIFFERENTIAL Rear Axle If replacing the Rear axle and going from AA to AC level, the bolt hole on the top of the axle will not have threads cut into it. Bolt: 06513614AA and Nut: 06512603AA will need to be ordered as well to be able to install the new axle.
Which vehicles does 9100870 cover?
NHTSA's file names Jeep Cherokee (2026). 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 9100870 a recall, and is the repair free?
No. 9100870 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 9100870?
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 9100870, 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 9100870. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.