Service bulletin T1789A
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 | 10086323 |
| Published by NHTSA | 2016-12-15 |
| Manufacturer's number | T1789A |
| Manufacturer's date | 2016-05-27 |
| NHTSA component | FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP |
NHTSA's summary
THIS DOCUMENT PROVIDES INSPECTION AND REPAIR GUIDELINES FOLLOWING THE MALFUNCTION OF AN XPI FUEL PUMP PUMPING PLUNGER AND/OR ROLLER TAPPET ASSEMBLY. THE LEVEL OF PROGRESSIVE DAMAGE TO THE FUEL PUMP AND OTHER ENGINE COMPONENTS WILL VARY WITH EVERY INCIDENT; HOWEVER, THE REPAIR DIRECTION WILL DEPEND ON ONLY A FEW KEY CRITERIA. PREVIOUS VERSIONS OF THIS DOCUMENT PROVIDED SPECIFIC REPAIR DIRECTIONS ACCORDING TO THE VINTAGE OF THE FUEL PUMP AND TYPE OF PUMPING PLUNGERS. REPAIR DIRECTIONS HAVE NOW BEEN MADE COMMON AND APPLY TO ALL FUEL PUMPS REGARDLESS OF VINTAGE, PUMPING PLUNGER TYPE, OR TAPPET ROLLER ASSEMBLY TYPE.
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
Fuel system, Fuel pump
| CUMMINS ISL9 |
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Listing a model year does not mean every vehicle of it is concerned: the document says which.