Service bulletin PI 0833
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 | 10083663 |
| Published by NHTSA | 2016-10-28 |
| Manufacturer's number | PI 0833 |
| Manufacturer's date | 2013-10-29 |
| NHTSA component | ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; SERVICE BRAKES |
NHTSA's summary
SOME UNITS WITHOUT HAND CONTROL VALVES HAVE BEEN BUILT WITH A DOUBLE CHECK VALVE INSTALLED TO THE TPV. THIS IS A MISBUILD AND THE DOUBLE CHECK VALVE NEEDS TO BE REMOVED FOR PROPER OPERATION OF THE TRAILER BRAKE SYSTEM.
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Brakes, Electrical system
| MACK CHU | 2014 |
|---|---|
| MACK CXU | 2014 |
| MACK GU | 2014 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.