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NHTSA ID Number: 10199264
Manufacturer Communication Number: 21NA090
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.
3 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| CADILLAC | XT4 | 2019-2021 |
Condition
Some customers may comment on a “whistle” or “hoot/woot” noise after the vehicle has been parked outside in ambient temperatures of −3.8°C (25°F) or below and most noticeable when AWD is engaged.
This noise might go away shortly after the vehicle has been warmed up/driven or if the ambient temperatures increase.
Cause
The cause of the condition may be the rear center propeller shaft bearing.
Correction
A new propeller shaft has been released to address this noise concern.
| Description | Part Number | Qty |
| Propeller Shaft | 85112854 | 1 |
SEOCONTENT-START
Service Bulletin Bulletin No.: 21-NA-090
Date: May, 2021
TECHNICAL
Subject: Whistle or Hoot/Woot Noise Heard from Under Vehicle in Cold Ambient Temperatures
Brand: Model:
Model Year: VIN:
Engine:
Additional
Options
from to from to (RPOs):
Cadillac XT4 2019 2021 — — 2.0L (LSY)
All-Wheel
Drive
(AWD) (F48)
Involved Region or Country North America Only
Condition
Some customers may comment on a “whistle” or “hoot/woot” noise after the vehicle has
been parked outside in ambient temperatures of −3.8°C (25°F) or below and most
noticeable when AWD is engaged.
This noise might go away shortly after the vehicle has been warmed up/driven or if the
ambient temperatures increase.
Cause The cause of the condition may be the rear center propeller shaft bearing.
Correction A new propeller shaft has been released to address this noise concern.
Service Procedure
If you encounter a vehicle with the above concern and
the noise has been verified to be originating from the
propeller shaft, replace the propeller shaft. Refer to
Propeller Shaft Replacement in SI.
Parts Information
Causal
Part
Description Part
Number
Qty
X Propeller Shaft 85112854 1
Warranty Information
For vehicles repaired under warranty, use:
Labor
Operation
Description Labor Time
3020410 Propeller Shaft
Replacement
Use
Published
Labor
Operation
Time
Version 1
Modified Released May 10, 2021
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-090
Date: May, 2021
https://www.nhtsa.gov/recalls?nhtsaId=10199264
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NHTSA ID Number: 10198873
Manufacturer Communication Number: 21NA090
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.
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-090
Date: May, 2021
https://www.nhtsa.gov/recalls?nhtsaId=10198873
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| “This site contains affiliate links for which OEMDTC may be compensated” |
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