Chevrolet TSB #PIE0676A
2021 Chevrolet Silverado 1500
Affected Component: POWER TRAIN
- Summary
- This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance.