# Service bulletin 3256A

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: 10017169
- Published by NHTSA: 2005\-10\-27
- Manufacturer's number: 3256A
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)

## NHTSA's summary

VEHICLE MAY BE BROUGHT IN FOR SERVICE ENGINE SOON \(SES\) OR MALFUNCTION INDICATOR LAMP \(MIL\) LIGHT ON. \*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

- 2004 to 2005 CHEVROLET KODIAK
- 2004 to 2005 CHEVROLET SILVERADO
- 2004 to 2005 GMC SIERRA
- 2004 to 2005 GMC TOPKICK

## Other bulletins for the same vehicles and component

- [08\-06\-04\-003D](/bulletins/10190379.md), 2021-04-20, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\); EQUIPMENT. New Tool Availability — EN\-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax® Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber
- [08\-06\-04\-003C](/bulletins/10138703.md), 2018-05-29, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). This informational bulletin advises of a new testing tool for EGR cooling pressure tester.
- [SB\-080604003\-C](/bulletins/10056354.md), 2014-11-08, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002\-15 SILVERADO, SIERRA, 2004\-09 KODIAK C4500\-C5500, TOPKICK C4500\-C5500, 2006\-15 EXPRESS, SAVANA. \*PE

JSON: [/v1/bulletins/10017169](/v1/bulletins/10017169)

[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%203256A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10017169&vehicle=Service%20bulletin%203256A)