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Old 10-18-2016, 12:23 PM
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Engine noise

Does anyone know why the engine (clatters) on cold starts in my 2016 summit hemi? (been doing it since new in May)

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Old 10-18-2016, 04:01 PM
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Re: Engine noise

Usually that is caused by leaky hydraulic lifters, that bleed down overnight.


The quality of oil (and type) can help that with worn engines.
But for a new engine it should be quiet with any oil that meets spec.
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Old 10-18-2016, 05:37 PM
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Re: Engine noise

Quote:
Originally Posted by mswlogo View Post
Usually that is caused by leaky hydraulic lifters, that bleed down overnight.


The quality of oil (and type) can help that with worn engines.
But for a new engine it should be quiet with any oil that meets spec.
I've had it after a very hard drive followed by a very cold overnight.
Seems to have gone away after a bit of [allegedly forbidden] STP Oil Treatment applied.
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Old 10-19-2016, 10:28 AM
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Re: Engine noise

Quote:
Originally Posted by hemisummit2016 View Post
Does anyone know why the engine (clatters) on cold starts in my 2016 summit hemi? (been doing it since new in May)
Hi hemisummit2016,

Has your dealership addressed this at all, since it has been happening since you purchased the vehicle?

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Old 10-23-2016, 09:12 PM
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Re: Engine noise

Have the dealer check it out. A low quality oil filter could cause that too. If the dealer is not servicing it make sure whoever is uses a good filter such as Wix and the correct oil.
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