2021-2025 Jeep, Dodge, RAM Engine Ticking Noise TSB 9100614
A technical service bulletin (TSB 9100614) addresses customer complaints of engine ticking noise in 2021-2025 Jeep, Dodge, and RAM vehicles. This bulletin provides critical diagnostic information for hydraulic lash adjusters to ensure proper repair and avoid unnecessary part replacements.
Ahmet Topcu2023 Jeep Wrangler
S'applique également à
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- 2021–2025
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Owners of 2021-2025 Jeep, Dodge, and RAM vehicles may experience an engine ticking noise, prompting concerns about engine health. This issue, often linked to hydraulic lash adjusters, is detailed in Technical Service Bulletin (TSB) 9100614, issued on June 18, 2025. The bulletin provides crucial guidance for technicians to accurately diagnose the source of the noise, specifically distinguishing between normal lash adjuster behavior and actual malfunctions.
The TSB highlights that misdiagnosis can lead to unnecessary replacement of functional components. For instance, a 2023 Jeep Wrangler engine ticking noise might not always indicate a faulty part. Understanding the design characteristics of both intake and exhaust lash adjusters is key to proper diagnosis.
Symptoms
The primary symptom reported by vehicle owners is a "ticking noise coming from the engine." Technicians investigating this complaint may observe what appears to be "spongy" or "stuck hydraulic lash adjusters." These observations can sometimes lead to incorrect assumptions about component failure.
Important Warnings
TSB 9100614 includes critical instructions to prevent unnecessary part replacements:
- "Do Not Replace EXHAUST lash adjusters" if they are compressible but still exert a reactionary spring force during compression and return to full expansion without external compression. Exhaust lash adjusters are designed to be compressible by hand.
- "Do Not Replace INTAKE lash adjusters" if they feel very firm and difficult to compress. Intake lash adjusters are designed to be non-compressible by hand.
These warnings underscore the importance of understanding the normal operational characteristics of these components before deciding on a repair.
Diagnosis and Trigger Conditions
Proper diagnosis of the engine ticking noise, such as a 2023 Jeep Wrangler engine ticking noise, requires careful evaluation of the hydraulic lash adjusters. The bulletin clarifies that exhaust lash adjusters are designed to be compressible by hand. If an exhaust lash adjuster is found to be
Frequently Asked Questions
- What does TSB 9100614 address?
- TSB 9100614 addresses customer complaints of engine ticking noise in various 2021-2025 Jeep, Dodge, and RAM vehicles. It provides diagnostic guidelines for hydraulic lash adjusters to prevent incorrect part replacement.
- Why is my 2023 Jeep Wrangler making a ticking noise?
- An engine ticking noise in your 2023 Jeep Wrangler could be related to hydraulic lash adjusters. TSB 9100614 explains that what might seem like a 'spongy' or 'stuck' lash adjuster could actually be normal operation, depending on whether it's an intake or exhaust component.
- When should hydraulic lash adjusters be replaced?
- According to TSB 9100614, exhaust lash adjusters should not be replaced if they are compressible but still spring back. Similarly, intake lash adjusters should not be replaced if they are firm and difficult to compress. Replacement is only necessary if they deviate from these normal characteristics after proper diagnosis.
- What should I do if my vehicle has an engine ticking noise?
- If your 2021-2025 Jeep, Dodge, or RAM vehicle exhibits an engine ticking noise, it's recommended to have it inspected by a qualified technician. They should refer to the Service Manual's "HYDRAULIC LIFTER(S) NOISE DIAGNOSIS" procedure and TSB 9100614 for accurate diagnosis and repair.
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