Chevrolet TSB #19-NA-136
2015 Chevrolet Colorado
Affected Component: POWER TRAIN
- Summary
- This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.