Service bulletin TechTalk8044
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 | 10186611 |
| Published by NHTSA | 2021-02-03 |
| Manufacturer's number | TechTalk8044 |
| Manufacturer's date | 2021-01-15 |
| NHTSA component | ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING |
NHTSA's summary
Tech Talk discussion on Western Star No Start.
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
Electrical system, Engine
| WESTERN STAR 4900 | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| CXA 03_26_Surge Tank | 2026-04-02. Other. CX Advocate for discolored coolant surge tanks (24CSA-20) |
|---|---|
| CXA_10_25_Conmet Oil Pan | 2025-11-05. Other. CX Advocate for ConMet Oil Pan Insert Additional Issues |
| 24CSA-19Rev | 2025-09-02. Other. Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks |
| CXA 3_25_NOx | 2025-04-02. Other. CX Advocate for NOx conversion low faults |
| CXA 2_25_NOx | 2025-03-04. Other. CX Advocate for NOx conversion low faults |
| CXA 1_16_NOx | 2025-01-29. Other. CX Advocate for NOx conversion low faults |
| SS1023366-Detroit | 2024-11-06. Other. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |
| 24CSA-20 | 2024-11-06. Service bulletin. Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP) |
| 24CSA-19 | 2024-11-06. Other. Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks |
| SS1023366-Detroit | 2024-10-04. Other. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |