Service bulletin 11-003-21
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10218570 |
| Published by NHTSA | 2022-08-22 |
| Manufacturer's number | 11-003-21 |
| Manufacturer's date | 2021-08-12 |
| NHTSA component | POWER TRAIN:DRIVELINE:DRIVESHAFT; STRUCTURE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE |
NHTSA's summary
Flutter or Rattle Noise From Under the Vehicle - Exhaust Body Heat Shields This bulletin involves replacing all four exhaust heat shields specified in this bulletin. The customer may describe a rattle from underneath the vehicle.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Body and frame, Engine, Exhaust and emissions, Transmission and driveline, Driveshaft, Exhaust manifold, pipes and muffler
| JEEP GRAND CHEROKEE | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| S2121000014 | 2022-09-26. Service bulletin. Service 4WD Message Illuminated. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation. |
|---|---|
| 75227 | 2022-05-31. Service bulletin. MUFFLER AND TAILPIPE ? EXHAUST |