# Service bulletin 99109

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: 605954
- Published by NHTSA: 1999\-08\-02
- Manufacturer's number: 99109
- Manufacturer's date: 1999\-05\-04
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)

## NHTSA's summary

RECALL CAMPAIGN REGARDING EXHAUST GAS RECIRCULATION VALVE MISBUILDS. \*TT

## 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

Engine, Exhaust and emissions, EGR valve

## Vehicles listed

- 1999 CHEVROLET SILVERADO
- 1999 GMC SIERRA

## Other bulletins for the same vehicles and component

- [99009](/bulletins/606540.md), 1999-08-26, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). VOLUNTARY EMISSION CAMPAIGN REGARDING VEHICLES BUILT WITH THE WRONG EXHAUST GAS RECIRCULATION VALVE. \*TT
- [99009](/bulletins/606536.md), 1999-08-26, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). SUBJECT REGARDING EXHAUST GAS RECIRCULATION VALVE \(EGR\) MISBUILDS. \*TT
- [99009](/bulletins/604888.md), 1999-05-18, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). VOLUNTARY EMISSION CAMPAIGN INVOLVING VEHICLES WITH A MISBUILT EXHAUST GAS RECIRCULATION VALVE. \*TT

JSON: [/v1/bulletins/605954](/v1/bulletins/605954)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2099109&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F605954&vehicle=Service%20bulletin%2099109)