Loud Tappet / Valve Noise from GDE Tuned 3.0 EcoDiesel - Jeep Garage - Jeep Forum

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Old 01-18-2016, 05:43 PM
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Loud Tappet / Valve Noise from GDE Tuned 3.0 EcoDiesel

I have recently been hearing a louder tappet noise / valve tick coming from the engine when it is cold, but only during accelerating at certain RPM's. It seems to be only happening about 1000-2000 rpm's while accelerating and goes away after the engine is at full operating temperature. I have never heard this before, and never heard it last winter. I live in AZ, so it isn't like it is that cold when starting. Has anyone noticed this before? I am GDE tuned diesel and I don't know if the GDE tune has anything to do with it. It has been tuned for 5 months now, and I just started noticing this in the last few weeks. Nervous to take it to the dealer because I don't want them to say it is due to the GDE tune and notice the preinjection is disabled. Any advice you can offer would be appreciated. Thanks in advance guys.

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Old 01-18-2016, 09:06 PM
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Loud Tappet / Valve Noise from GDE Tuned 3.0 EcoDiesel

Without hearing it, it's hard to say. Mine is louder when cold out. It's been in the 20's here, nothing too crazy. However, it does make a difference until the engine is warm. I also have the GDE tune and didn't notice any real difference in cold engine startup sounds after installing it. The GDE tune is slightly louder overall.

You might want to have this moved to the diesel forum... Likely to get better exposure.


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Old 01-19-2016, 10:51 AM
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Re: Loud Tappet / Valve Noise from GDE Tuned 3.0 EcoDiesel

Thanks. I'll try to capture it in a video. I just wasn't sure if the GDE tune would make it more likely to happen as I wasn't tuned last winter and never heard the sound until 3 weeks ago. How do I go about moving the thread to the Diesel page. Sorry, not great with knowing how / where to post, or how to move. Thanks!
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Old 01-19-2016, 08:51 PM
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Re: Loud Tappet / Valve Noise from GDE Tuned 3.0 EcoDiesel

Not exactly sure... I've seen people add a reply to their post asking the moderators to move to a specific forum. There might be a way to do it yourself, but I'm not sure.


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