Service Bulletin

2022-2024 Jeep Wrangler/Grand Cherokee Transmission Leaks TSB

This manufacturer communication (NHTSA ID 10248507) details potential transmission fluid leaks in 2022-2024 Jeep Wrangler and Grand Cherokee models. Technicians are advised to inspect for leaks from the pan, filter, transmission case porosity, or oil cooler lines before replacing parts.

Byeditor marcus weber2024 Jeep Wrangler
2024 Jeep Wrangler — Jeep Wrangler transmission leaks
Editorial illustration generated for this article.
Jeep Wrangler transmission leaksJeep Grand Cherokee transmission leaksNHTSA 10248507transmission oil pan leaktransmission filter leaktransmission case porosityOil Cooler Lines leakJeep Wrangler PHEV transmissionJeep Grand Cherokee PHEV transmissionPOWER TRAIN leak
Jeep Grand Cherokee
2022–2024
Jeep Wrangler
2022–2023

Symptoms of Transmission Leaks

Owners of affected 2022-2024 Jeep Wrangler and Grand Cherokee models may notice transmission fluid leaks. These leaks can manifest as fluid spots under the vehicle or a noticeable drop in transmission fluid levels. Specifically, this technical service bulletin (TSB) addresses leaks in WL and JL PHEV transmission systems, which are part of the POWER TRAIN component group.

Identifying the Source of the Leak

This manufacturer communication, identified as NHTSA ID 10248507, provides guidance to technicians for diagnosing transmission fluid leaks. The TSB highlights that leaks might originate from several areas within the transmission system.

Technicians are instructed to inspect for leaks through the transmission case itself. This is crucial because leaks can be caused by possible porosity of the transmission case material. Additionally, the Oil Cooler Lines are identified as another potential source of leaks. Before replacing components like the transmission oil pan or filter gaskets, a comprehensive inspection is necessary to pinpoint the exact origin of the leak.

Repair Procedure Summary

The TSB emphasizes a detailed inspection process. For 2022-2024 Jeep Wrangler and Grand Cherokee PHEV models experiencing transmission leaks, technicians should first thoroughly inspect the transmission case for any signs of porosity. This step is critical to avoid misdiagnosis and ensure the correct repair is performed. The Oil Cooler Lines should also be carefully checked for any leaks. Only after a complete inspection has identified the precise source should parts such as the Pan and Filter, Transmission Oil, or their gaskets be considered for replacement. This diagnostic approach aims to resolve the underlying cause of the Jeep Wrangler transmission leaks.

What Owners Should Do

If you own a 2022-2024 Jeep Wrangler or Grand Cherokee and suspect your vehicle has a transmission fluid leak, it is recommended to schedule an appointment with an authorized Jeep service center. Inform the service advisor about the symptoms you are experiencing. Referencing manufacturer communication NHTSA ID 10248507 may help ensure that technicians follow the recommended diagnostic and repair procedures for Jeep Wrangler transmission leaks.


Source: NHTSA Manufacturer Communication 10248507

Frequently Asked Questions

What is this manufacturer communication (NHTSA ID 10248507) about?
This manufacturer communication, identified as NHTSA ID 10248507, addresses potential transmission fluid leaks in certain 2022-2024 Jeep Wrangler and Grand Cherokee PHEV models. It provides guidance to technicians on how to properly diagnose the source of these leaks.
Which Jeep models are affected by these transmission leaks?
This communication applies to 2022-2024 Jeep Wrangler and Grand Cherokee models, specifically focusing on PHEV variants (WL & JL).
What are the potential sources of transmission leaks mentioned in the TSB?
The TSB indicates that transmission leaks can originate from the transmission oil pan, the transmission filter, possible porosity in the transmission case itself, or the Oil Cooler Lines.
What should I do if I notice my Jeep Wrangler transmission leaks?
If you observe transmission fluid leaks from your 2022-2024 Jeep Wrangler or Grand Cherokee, you should contact an authorized Jeep dealership. They will perform a thorough inspection, following the guidelines in TSB NHTSA ID 10248507, to accurately diagnose and repair the leak.

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