S7638

Service Campaign S7638
April 2022
Mack Proprietary Fixed Axle Hubcap Replacement
Service Category Service Department
Section 771
Technician Skill Level C
Market US, Canada, Mexico, Export
Applicability
Mack
Model Years
2021 - 2023
Models
AN, GR, PI
Introduction
This Service Campaign is the solution for the Proprietary Hubcap Recall SC0425 that effected
Mack AN, GR, PI Models. This Service Campaign also covers trucks that were shipped short from
the factory or removed in the field. Mack Trucks now has a solution to replace the Proprietary
Hubcaps with new updated hubcaps.
Production Change Information
This bulletin applies to vehicles built within the specified production changes below.
Brand
Engine
Emission Level
Starting Build Date
Ending Build Date
Mack
CU-9, MP7, MP8 EC06, EU5 USA-17-21 08-September-2020
14-January-2022
Warranty Information
This repair is covered by an authorized Service Program. Reimbursement is
obtained through the normal claim handling process.
Claim Type (used only when uploading from the Dealer Bus. Sys.)
B
Main Labor Code
7718-03-02-01
Causal Part
SCC Authorization
Code
Expiration Date
Description
Hours
Hub Cap Wheel Cover, Replacement Per wheel
23768773 / 23768774
S7638
April 30, 2023
0.1
April 2022
Mack Proprietary Fixed Axle Hubcap Replacement
Parts Information
• Verify parts and quantity needed in IMPACT per VIN .
Each kit below contains 2 hub caps.
Part Number
needed (long)
Part Names
Quantity
24154273
HUB CAP, KIT, DRIVE, MACK, BLACK
*
24154275
HUB CAP, KIT, DRIVE, MACK, CHROME
*
Required Tools & Equipment
N/A
Calibration Information
N/A
Repair Procedure
1.
Secure truck for service.
2.
Install all new proprietary hubcap wheel covers.
3.
Ensure new hubcaps are fully seated on the wheel.
4.
Release the truck to service.
Mack Proprietary Hubcap wheel cover shown below