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2024 L5P Major Engine Issue Found !

Release Date: May 2024 Program Effective Until: June 30, 2026 Issued by: General Motors

Overview

General Motors has announced a Customer Satisfaction Program (N232427750) addressing an issue with the piston oil lubrication valve in certain 2024 model year Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD vehicles. This program is in place to ensure customer satisfaction and vehicle reliability.


Affected Vehicles

The program covers the following vehicles:


Chevrolet Silverado 2500HD/3500HD (2024 Model Year)

GMC Sierra 2500HD/3500HD (2024 Model Year)


These vehicles are equipped with the L5P Diesel Engine, 6.6L, DI, V8, turbo Duramax, Gen 5, Var. 1.


Identifying Involved Vehicles

Dealers can identify involved vehicles by checking the "Investigate Vehicle History" screen in the GM Global Warranty Management system. Vehicles marked as "Open" are part of this program. It is crucial to verify vehicle involvement before proceeding with any inspections or repairs.

Condition

The identified condition involves the piston oil lubrication valve, which may not open at the appropriate pressure. This can affect the engine's performance and longevity if not addressed.

Correction

To correct this issue, dealers are instructed to replace the engine in the affected vehicles. This action is aimed at preventing any potential engine damage and ensuring optimal vehicle performance.

Dealer Instructions

Dealers should:

  1. Verify vehicle involvement using the GM Global Warranty Management system.

  2. Follow the provided guidelines for replacing the engine in the affected vehicles.

  3. Ensure that all repairs are completed before the program end date of June 30, 2026.

By participating in this program, General Motors aims to maintain high levels of customer satisfaction and uphold the reliability of their vehicles. Customers with affected vehicles are encouraged to visit their nearest dealership to have the necessary repairs performed.

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