Service bulletin TCH-003-055 US 0
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 | 10128150 |
| Published by NHTSA | 2018-02-05 |
| Manufacturer's number | TCH-003-055 US 0 |
| Manufacturer's date | 2017-10-10 |
| NHTSA component | COMMUNICATION; SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE |
NHTSA's summary
Technical Bulletin. Certain vehicle applications can cause the hex-style 90° elbow SC-3 check valve to wear prematurely and contaminate the SR-7 valve, causing a small reservoir leak through the SR-7 valve exhaust. Diagnostic procedure is included in this Technical Bulletin.
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
Brakes
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Listing a model year does not mean every vehicle of it is concerned: the document says which.