NHTSA ID Number: 10252312
Manufacturer Communication Number: S3629 202403
TSB/Document Date: 2024-04-02
Summary
Service Campaign: Mack trucks
has determined that certain 2024 model year GR, LR and TE trucks with a MP-7 were built with the incorrect oil pan. On effected vehicles follow the instructions below to replace the oil pan with the stainless-steel oil pan, new gasket, new mounting hardware, and replace engine oil and filters.
Service Campaign S3629
February 2024
Mack MP7 Stainless Steel Oil Pan
Service Category Service Department
Section Function Group 217
Technician Skill Level A
Market North America
Applicability
Mack
Model Years
2024
Models
GR, LR, TE
Introduction
Mack trucks has determined the certain 2024 model year GR, LR and TE trucks with a MP-7 were
built with the incorrect oil pan. On effected vehicles follow the instructions below to replace the
oil pan with the stainless-steel oil pan, new gasket, new mounting hardware, and replace engine
oil and filters.
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
EM-USA21
07-Feburary-2023
10-April -2023
Mack
MP-7
Warranty Information
Important Warranty Note!
The engine oil and filters must be submitted in other cost.
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
2171-03-02-01
Description
Hours
Oil Pan, Replacement
Causal Part
21791981
SCC Authorization
Code
S3629
Expiration Date
February 28, 2025
1.6
Service Campaign S3629
February 2024
Mack MP7 Stainless Steel Oil Pan
Parts Information
Important Parts Note
Use Impact to determine if your truck was built with a front or rear sump oil pan and order the
correct oil pan using the chart below.
Part Numbers
Part Names
Quantity
23661184
Oil Pan, (Front sump)
*
23661185
Oil Pan, (rear sump)
*
21517690
Gasket
1
24179552
Spring Retainer, Stud
16
24179553
Spring Retainer, Stud
6
23658111
2
21707135
1
*
Calibration Information
N/A
Repair Procedure
1. Secure the vehicle for service by parking it on a level surface, applying the parking
brake, blocking the wheels, and placing the transmission in neutral or park.
2. Follow operation 2117-03-02-01 Oil Pan, Replacement to replace the oil pan with the
Stainless-Steel oil pan, replace oil pan gasket, replace all mounting hardware.
3. Install new engine oil and filters.
- Advanced protection against the four main causes of engine...
- Delivers 40% stronger wear protection than industry...
- Provides 15% better deposit defense vs. industry standards...
- Up to 2.5X better heat protection vs. industry standards to...
- Engineered for excellent low-temperature flow, reducing...
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TSB/Document ID: S3629 202403
Replacement Service Bulletin Number:
MFR Communication Date: 2024-03-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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