22-NA-028

Service Bulletin
Bulletin No.:
22-NA-028
Date:
May, 2022
TECHNICAL
Subject:
Whining/Whirring, Whistle, Squeaking, Groaning/Growling Noise Coming from Front
Wheel/Engine Area
This bulletin replaces PIP5785. Please discard PIP5785.
Brand:
Cadillac
Model:
Model Year:
VIN:
from
to
ATS
2016
2019
CTS
2016
2019
CT4
2021
2022
CT5
2021
2022
from
to
—
—
Engine:
Transmission:
—
—
Involved Region or Country
North America
Additional Options (RPO)
CHASSIS DRIVE LINE-ALL WHEEL DRIVE (AWD)/FOUR WHEEL DRIVE (4WD)
(RPO F46)
Condition
Some customers may comment on one or more of the following noise conditions at low
speeds during driving maneuvers up to 64 km/h (40 mph):
• Whining/Whirring
• Whistle
• Squeaking
• Groaning/Growling
The customer might state this noise is coming from the engine/wheel area.
Cause
This condition may be caused by fretting between the front intermediate shaft (IDS Shaft)
and the front intermediate shaft bearing/housing (IDS bearing).
– The fretting is the result of having a slip fit interface between the bearing and the IDS
shaft, and combined with a bearing that has around 0.5 Y of torque to rotate (TTR).
Correction
Perform a road test to diagnose fretting noise. Identify if the noise is at the front
intermediate shaft housing. Replace both the IDS shaft and IDS bearing housing.
1. Try and replicate the customers complaint maneuver (generally the noise is heard
while coasting and without brakes being applied).
2. Install Chassis Ears.
– Identify if the noise is at the front intermediate shaft housing.
3. Once the noise is confirmed and isolated at the front intermediate shaft housing,
replace the IDS shaft and IDS shaft housing. Refer to Front Wheel Drive
Intermediate Shaft Replacement and Front Wheel Drive Intermediate Shaft Housing
Replacement in SI.
Copyright 2022 General Motors LLC. All Rights Reserved.
Page 2
May, 2022
Bulletin No.: 22-NA-028
Service Procedure
Important: Service agents must comply with all
International, Federal, State, Provincial, and/or
Local laws applicable to the activities it performs
under this bulletin, including but not limited to
handling, deploying, preparing, classifying,
packaging, marking, labeling, and shipping
dangerous goods. In the event of a conflict between
the procedures set forth in this bulletin and the
laws that apply to your dealership, you must follow
those applicable laws.
Important: For proper curing, allow the vehicle to sit
overnight (12 hours).
5344068
Bulletin No.: 22-NA-028
May, 2022
Page 3
1. Remove the front wheel drive intermediate shaft
housing (1). Refer to Front Wheel Drive
Intermediate Shaft Housing Replacement in SI.
4234084
2. Attach the DT–44467 Output Shaft Assembly
Remover/Installer to the shaft (1).
3. Attach the GE-6125-1B Slide Hammer to the
DT-44467 Output Shaft Assembly Remover/
Installer.
4. Utilizing the tool, remove the front wheel drive
intermediate shaft from the front differential carrier.
Page 4
May, 2022
Bulletin No.: 22-NA-028
5875997
Note: Fretting worn IDS shaft and bracket must
discarded and replaced with new parts.
5902626
Note: For proper curing, allow the vehicle to sit
overnight (12 hours).
5. Using High Strength Slip Fit Bonding Compound,
P/N 19333514, apply a thin coating to cover the
new inner bearing race.
Bulletin No.: 22-NA-028
May, 2022
Page 5
5502695
6. Install the new IDS shaft (2). Refer to Front Wheel
Drive Half Shaft Replacement - Left Side in SI.
Page 6
May, 2022
Bulletin No.: 22-NA-028
5344068
7. Install the new IDS housing (1). Refer to Front
Wheel Drive Intermediate Shaft Housing
Replacement in SI.
⇒ Torque the Mounting bolts (2) to 58 Y
(43 lb ft).
Note: If the bolts or nuts are found to be damaged or
are excessively worn, DO NOT reuse. Replace
with new.
Note: If re-using the propeller shaft bolts, to ensure
proper adhesion and fastener retention, the threads
must be free of debris prior to the application of thread
locker. Use an appropriate cleaner to thoroughly clean
the threads and allow to dry. Apply thread locker to the
propeller shaft to flange bolts. Ensure that there are no
gaps in the thread locker along the length of the filled
area of the bolts. Allow the thread locker to cure
approximately 10 minutes before installation.
Parts Information
Caution: This vehicle is equipped with torque-to-yield
or single use fasteners. Install a NEW torque-to-yield or
single use fastener when installing this component.
Failure to replace the torque-to-yield or single use
fastener could cause damage to the vehicle or
components.
Causal Part
Description
Vehicle Application
Part Number
Qty
N/A
Adhesive, High
Strength Slip Fit
Bonding Compound
All
19333514 (U.S.)
In Canada, use VibraTite® 541 or Loctite®
680™ obtained locally
1
ATS, CTS
22772313
X
X
Front Intermediate
Shaft IDS Shaft
X
X
X
IDS Bearing Housing
CT4, CT5
84632509
ATS, CTS 2.0 (LTG)
84098259
ATS, CTS 3.6 (LGX)
84098258
CT4, CT5
84610380
Bulletin No.: 22-NA-028
May, 2022
Page 7
Warranty Information
For vehicles repaired under the Powertrain coverage,
use the following labor operation. Reference the
Applicable Warranties section of Investigate Vehicle
History (IVH) for coverage information.
Labor
Operation
Description
Labor Time
3087188*
Diagnostic Test and drive
0.5 hr
Add
Replace Front Wheel Drive
Intermediate Shaft, Bearing
Housing, and GM
Adhesive (Base)
1.5 hrs
*This is a unique Labor Operation for bulletin use only.
Version
2
Modified
Released February 01, 2022
May 25, 2022 – Added an Important statement at the beginning of the Service Procedure
and changed Adhesive, High Strength Slip Fit Bonding Compound Part Number for
Canada to obtain locally.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a
job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
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