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