Normal Engine Air Leak Whistle Noise From The PCV – 2019 Chevrolet Silverado & GMC Sierra 1500
NHTSA ID Number: 10145477 Manufacturer Communication Number: PIP5587 Summary This Preliminary information communicates A vehicle may come into the dealer with a lean running concern and/or air leak noise from the PCV.The air rush or whistlingnoise is caused by the fixed orifice PCV.There is not a correction for this noiseand should be considered to be normal. … Read more