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NHTSA ID Number: 10163892
Manufacturer Communication Number: 19NA166
Summary
This technical bulletin provides a procedure to replace the prop shaft to correct a whining noise condition.
2 Affected Products
Vehicle
MAKE | MODEL | YEAR |
BUICK | ENVISION | 2019-2020 |
Parts
SHAFT, PROP | 1 | 84656506 |
SEOCONTENT-START
Service Bulletin Bulletin No.: 19-NA-166
Date: July, 2019
TECHNICAL
Subject: Whining Noise from Under Vehicle While Coasting around 48-60 km/h (30-60 mph)
Brand: Model:
Model Year: VIN:
Engine: Transmission:
from to from to
Buick Envision 2019 2020 2.0L (LTG)
9T60
Automatic
(M3T)
Involved Region or Country North America
Additional Options (RPOs) F46 – CHASSIS DRIVE LINE-ALL WHEEL DRIVE (AWD)/FOUR WHEEL DRIVE (4WD)
Condition
Some customers may comment that a whine noise can be heard coming from under the
vehicle, radiating from the driveline.
– The condition is most noticeable at cruising speeds with light throttle input or while
coasting around 48-60 km/h (30-60 mph).
– The noise may be found more prominent when the transmission is cold and slowly
diminishes as the vehicle warms up.
Cause This condition may be caused by a drive chain internal to the 9 speed transmission
radiating through the propeller shaft.
Correction Replace the propeller shaft with a new design propeller shaft that has an integrated tuned
vibration absorber designed to mitigate this noise.
Service Procedure
Refer to Two-Piece Propeller Shaft Replacement in SI.
Parts Information
Causal
Part
Description Part
Number
Qty
N/A SHAFT, PROP 84656506 1
Warranty Information
For vehicles repaired under the Bumper-to-Bumper
coverage (Canada Base Warranty coverage), use the
following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH)
for coverage information.
Labor
Operation
Description Labor Time
3087068* Two-Piece Propeller Shaft
Replacement
0.8 hr
*This is a unique Labor Operation for Bulletin use only.
Version 1
Modified Released July 23, 2019
SEOCONTENT-END
Bulletin No.: 19-NA-166
Date: July, 2019
https://www.nhtsa.gov/recalls?nhtsaId=10163892
https://static.nhtsa.gov/odi/tsbs/2019/MC-10163892-9999.pdf
To View or Download this Document Click Here
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