GMC TSB #GCUS-3-632
2016 GMC Sierra 1500
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- 44120 - Customer Satisfaction Program - Certain vehicles, equipped with an 8-speed automatic transmission, may have a condition in which the 2-3-4-6-8 Clutch Piston is out of specification. Parts as installed exhibited a crack condition as cast after machining. As a result the vehicle could exhibit 1-2 upshift slipping or a flaring condition.