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Cadillac TSB #21NA090
2019 Cadillac XT4
Affected Component: POWER TRAIN
Date Published
MAY 10, 2021
NHTSA TSB #
10199264
TSB Document
MC-10199264-9999.pdf
Summary
This service bulletin provides a repair procedure to correct a customer concern of Whistle or Hoot/Woot Noise Heard from Under Vehicle in Cold Ambient Temperatures.