2022-2024 Jeep/RAM/Dodge Engine Belt Noise

Owners of certain 2022-2024 Jeep, RAM, and Dodge vehicles may notice a variety of noises emanating from under the hood, often described as a squeal, screech, squeak, chirp, or other "belt related" noise. These sounds can indicate an issue with the Front End Accessory Drive (FEAD) system, specifically the accessory drive belt, hydraulic tensioner, or associated pulleys.

This manufacturer communication, identified by NHTSA ID 10248845, provides guidance to technicians on diagnosing and addressing these noise complaints. The primary focus is on proper inspection before replacing components, ensuring an accurate repair for the Jeep Wrangler belt noise and similar issues across affected models.

Symptoms of Engine Belt Noise

If you own a 2022-2024 Jeep Wrangler, RAM 1500, Jeep Gladiator, Jeep Wagoneer, Jeep Grand Wagoneer, or Dodge Durango, you might experience one or more of the following audible symptoms:

• A distinct squeal from the engine compartment.
• A screeching sound during operation.
• Intermittent squeaks or chirps.
• Any general "belt related" noise.
• A noisy tensioner or pulley, which may be the source of the Jeep Wrangler belt noise.

These noises often point to issues within the accessory drive system, which includes components like the serpentine belt, tensioner, and various pulleys that drive accessories such as the alternator, power steering pump, and air conditioning compressor.

Diagnosis and Trigger Conditions

When a customer reports a belt-related noise, technicians are instructed to perform a thorough inspection. A critical first step is to verify the Accessory Drive belt routing according to the specific engine sales code of the vehicle. Incorrect belt routing can lead to premature wear and noise.

To pinpoint the exact source of the noise, technicians should use a stethoscope or a similar diagnostic tool. This helps to isolate whether the noise originates from the hydraulic tensioner, one of the pulleys, or the belt itself. Accurate diagnosis is crucial to avoid unnecessary parts replacement.

Important Warnings for Technicians

This manufacturer communication emphasizes a key diagnostic step: "Before replacing any Front End Accessory Drive components, please check Accessory Drive belt routing as per engine sales code." This instruction is vital to prevent misdiagnosis and ensure that the correct repair is performed. Technicians are also advised to check the Service Library for any applicable STAR Online publications that may provide additional guidance.

Repair Procedure Summary

The general repair approach outlined in this communication focuses on careful diagnosis. Once the source of the noise (e.g., hydraulic tensioner, specific pulley) is identified using a stethoscope, that component can be addressed. The communication implies that simply replacing components without first checking the belt routing or confirming the noise source is not the recommended procedure.

Owner Action

If you hear a squeal, screech, chirp, or any other unusual Jeep Wrangler belt noise or similar sounds from your 2022-2024 Jeep, RAM, or Dodge vehicle, it is recommended to schedule an appointment with your dealership or a qualified service center. Describe the noise in detail to the service advisor. The technicians will follow the diagnostic procedures outlined in manufacturer communication NHTSA ID 10248845 to identify and resolve the issue.

Source: NHTSA ID 10248845