Service bulletin 20NA154
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 | 10180314 |
| Published by NHTSA | 2020-09-28 |
| Manufacturer's number | 20NA154 |
| Manufacturer's date | 2020-08-03 |
| NHTSA component | ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY |
NHTSA's summary
This Technical bulletin provides a procedure to correct a customer concern of a Flutter or Boom Noise around 1100 RPM.
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
Engine, Cooling system, Radiator
| BUICK ENCORE GX | 2020 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 21NA257 | 2021-12-27. Service bulletin. This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. |
|---|---|
| 20NA028 | 2021-12-20. Service bulletin. This service bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing. |