This service bulletin provides a repair procedure to correct a customer concern of Whistle or Hoot/Woot...
Cadillac technical service bulletin 21NA090 for 2019-2021 Cadillac XT4.
- Bulletin number
- 21NA090
- Component
- Engine and engine cooling
- 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.
Owners of these vehicles have filed 18 complaints in the engine category.
Vehicles covered
- Cadillac XT4 2019-2021 201920202021
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