TSB 9004178 — Jeep Service bulletin
9004178 is a service bulletin on file with NHTSA for 2 Jeep models, 2005–2010 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. DAMPER, Transfer Case Reman Transfer Case will arrive equipped with the Transfer Case Damper. Please return core with original damper intact.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 9004178 names
| Vehicle | Model years |
|---|---|
| Jeep Commander | 2006, 2007, 2009, 2010 |
| Jeep Grand Cherokee | 2005, 2007, 2008, 2009, 2010 |
Every document filed under 9004178
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 |
|---|---|---|
| 9004178 | November 27, 2019 | Service bulletin |
| 9004178 | November 27, 2019 | Service bulletin |
What 9004178 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 9004178?
9004178 is a service bulletin filed with NHTSA by Jeep, covering 2 Jeep models across the 2005–2010 model years. NHTSA's summary reads: DAMPER, Transfer Case Reman Transfer Case will arrive equipped with the Transfer Case Damper. Please return core with original damper intact.
Which vehicles does 9004178 cover?
NHTSA's file names Jeep Commander (2006–2007, 2009–2010); Jeep Grand Cherokee (2005, 2007–2010). 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 9004178 a recall, and is the repair free?
No. 9004178 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 9004178?
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 9004178, 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 9004178. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.