# Service bulletin SB23\-J\-001B

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: 11012613
- Published by NHTSA: 2025\-01\-07
- Manufacturer's number: SB23\-J\-001B
- Manufacturer's date: 2024\-12\-11
- NHTSA component: ENGINE
- Manufacturer's system: ENGINE

## NHTSA's summary

INFORMATION BULLETIN: THE VACUUM PUMP SERVICE PART FOR AFFECTED VEHICLES LISTED IN THIS BULLETIN HAS BEEN SUPERSEDED AND IS NOW THE SAME VACUUM PUMP THAT IS THE SERVICE PART FOR THE 6.6L GAS ENGINE. THE UPDATED PUMP REQUIRES THE OUTLET VACUUM HOSE TO BE REROUTED FOR PROPER FITMENT. FOLLOW THE SERVICE PROCEDURE BELOW TO INSTALL THE UPDATED REPLACEMENT VACUUM PUMP AND REROUTE THE OUTLET VACUUM HOSE AS SET FORTH BELOW.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11012613-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11012613-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2008 to 2022 ISUZU N\-SERIES

JSON: [/v1/bulletins/11012613](/v1/bulletins/11012613)

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