NHTSA ID Number: 11005012
Manufacturer Communication Number: 03-007-24 REV. A
TSB/Document Date: 2024-07-23
Summary
Rear Axle Noise Customers may experience the following: ● Intermittent grinding, screeching, ratcheting noise coming from the right hand side of vehicle on the rear axle. This bulletin involves cleaning and lubricating the axle shaft and hub splines."
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TSB/Document ID: 03-007-24 REV. A
Replacement Service Bulletin Number:
MFR Communication Date: 2024-07-19
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System: Rear Axle Noise
MFR Component Subsystem:
Previous TSB | Next TSB |
Technical Service Bulletin (TSB)
Rear Axle Noise
REFERENCE:
TSB: 03-007-24 REV. A
GROUP: 03 - Differential and Driveline
Date:
July 19, 2024
VEHICLES
AFFECTED:
2024 (JL) Jeep
Wrangler
This bulletin applies to vehicles built on or before **June 10, 2024
(MDH 0610XX)** equipped with the Dana M220 Wide Full Floating RR
Axle (Sales Code DRN).
REVISION: 03-007-24
MARKET APPLICABILITY:
NA
MEA
SA
IAP
EE
CH
CUSTOMER
SYMPTOM:
Customers may experience the following:
● Intermittent grinding, screeching, ratcheting noise coming from the right hand side of vehicle on the rear
axle.
CAUSE:
Lack of lubrication
This bulletin supersedes Technical Service Bulletin (TSB) 03-007-24, date of issue July 16, 2024, which
should be removed from your files. All revisions are highlighted with **asterisks** and include an
updated build date.
This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update (RSU) 24-104,
date of issue July 16, 2024. All applicable RSU VINs have been loaded. To verify this RSU service
action is applicable to the vehicle, use VIP or perform a VIN search in DealerCONNECT/Service Library.
All repairs are reimbursable within the provisions of warranty.
REPAIR SUMMARY:
This bulletin involves cleaning and lubricating the axle shaft and hub splines.
CLAIMS DATA:
Labor Operation No:
03-20-01-99
Failure Code
Labor Description
Shaft, Right Rear Axle,
Clean and Lubricate
(2 - Skilled)
ZZ
Skill Category
3 - Differential and Driveline
Service Action
Labor Time
0.6 Hrs.
M03 FSAR-TSB-4425
-2-
SPARE PARTS:
Qty
1 (AR)
Part No.
05083150AA
4
68003275AA
Description
Mopar® Wheel Bearing
Grease
Hex Flange Lock Nut
1 (AR)
68651258AA
Notes
1/100 of the 14.5 ounce
cartridge
Tube flange to hub unit
nut
Wheel Hub Bearing
DIAGNOSIS:
If a customer’s VIN is listed in VIP or your RSU VIN list, perform the repair. If any vehicle not on the VIN list
exhibits any of the symptom listed above in the customer symptom section, perform the Repair Procedure.
REPAIR PROCEDURE:
1. Remove the brake caliper and rotor. Refer to the detailed service procedures available in
DealerCONNECT/Service Library under: Service Info> Refer to 05 - Brakes, Base/Hydraulic/Mechanical/
Rotor, Brake/Removal.
2. Remove the wheel speed sensor from the tube assembly. Refer to the detailed service procedures
available in DealerCONNECT/Service Library under: Service Info> Refer to 05 - Brakes, ABS/Electrical/
Sensor, Wheel Speed, Rear/Removal.
3. Disconnect the parking brake cable from the parking brake actuator at the backing plate.
4. Remove and DISCARD the four nuts Fig. 1 from the hub assembly.
Fig. 1
Hub Nuts
1 - Axle Housing
5. Use a pry bar to pry between the upper control arm bracket and the hub stud end to extract the hub from
the tube assembly.
6. Remove the axle shaft, hub and bearing assembly with backing plate from the axle housing.
NOTE: Inspect the O-ring for damage and replace if needed.
7. Remove the axle shaft from the hub.
-3-
M03 FSAR-TSB-4425
8. Using brake cleaner and a wire brush, clean both the interface of the shaft splines and hub splines to
remove any of the “fretting/corrosion” seen on those splines Fig. 2.
Fig. 2
Axle Shaft Splines/Hub Splines
1 - Axle Shaft/Hub Splines Prior To Cleaning
2 - Axle Shaft/Hub Splines After Cleaning
NOTE: After cleaning the interface use forced air to remove any remaining debris on interface.
9. Use wheel bearing grease to lubricate both the hub splines and the axle shaft splines. Ensure to coat the
whole surface of the spline interface on the shaft and hub Fig. 3.
Fig. 3
Lubricated Axle Shaft/Hub splines
10. Install the axle shaft into the hub by hand until it bottoms out.
NOTE: Air may purge through the shaft splines at any time throughout the shaft installation
process.
11. Lubricate the tube flange inside diameter with 75-85W sump lube as this aids in O-ring guidance Fig. 4.
Fig. 4
Tube Flange Diameter To Lubricate
1 - Area To Apply Lubricant To The Tube Flange Surface
12. Install the axle shaft, hub and bearing assembly with backing plate onto the shaft then into the tube
aligning the four hub studs ensuring the wheel speed sensor hole in the backing plate aligns with the wheel
speed sensor hole/pad on the tube assembly.
13. Install four NEW hub nuts Fig. 1 on the hub assembly.
14. Connect the parking brake cable from the parking brake actuator at the backing plate.
15. Install the wheel speed sensor from the hub. Refer to the detailed service procedures available in
DealerCONNECT/Service Library under: Service Info> Refer to 05 - Brakes, ABS/Electrical/Sensor, Wheel
Speed, Rear/Installation.
16. Install the brake caliper and rotor. Refer to the detailed service procedures available in DealerCONNECT/
Service Library under: Service Info> Refer to 05 - Brakes, Base/Hydraulic/Mechanical/Rotor, Brake/
Installation.
POLICY:
Reimbursable within the provisions of the warranty.
This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
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