6.6L Duramax Possible Oil Leak Path Information – 2017-2023 Chevrolet Silverado & GMC Sierra

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NHTSA ID Number: 10222657

Manufacturer Communication Number: 18-NA-150

Summary

This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

 


This document is to help identify where to look for an oil leak on the 6.6 Duramax engine.

Note: Please keep in mind that a leak on the top of the engine will trail down the back side of the engine and appear as a rear cover leak.

 


39 Affected Products

Vehicles

MAKE MODEL YEAR
CHEVROLET SILVERADO 1500 2017-2018
CHEVROLET SILVERADO 2500 2019-2023
CHEVROLET SILVERADO 3500 2019-2023
CHEVROLET SILVERADO 4500HD 2019-2023
CHEVROLET SILVERADO 5500HD 2019-2023
CHEVROLET SILVERADO 6500HD 2019-2023
GMC SIERRA 1500 2017-2018
GMC SIERRA 2500 2019-2023
GMC SIERRA 3500 2019-2023

 


1 Associated Document

Manufacturer Communications

Bulletin No.: 18-NA-150
Date: September, 2022

https://www.nhtsa.gov/recalls?nhtsaId=10222657

MC-10222657-0001.pdf 649.535KB

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NHTSA ID Number: 10163227

Manufacturer Communication Number: 18NA150

Summary

This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: 18-NA-150
Date: June, 2019

https://www.nhtsa.gov/recalls?nhtsaId=10163227

MC-10163227-9999.pdf 1246.237KB

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“This site contains affiliate links for which OEMDTC may be compensated”
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