XK / XKR ( X150 ) 2006 - 2014

Does anyone know what this noise is?

 
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Old 04-19-2019, 10:31 AM
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Default Does anyone know what this noise is?


I'm assuming its either the VVT or the timing chain tensioner.

Thanks.
 
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Old 04-19-2019, 03:20 PM
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Not to worry, mine has the same sound and I wondered too. So far all other 5.0L NA XKs I've heard make the sound as well. I put an automotive stethoscope on the fuel rail where it is most noticable, so it is probably the DI injectors you're hearing.
The engine cover does a fairly good job of queting it but not completely. I've grown so use to it I don't even notice it anymore.
 
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Old 04-19-2019, 08:39 PM
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My '10 XKR does the same and I can't decide whether I should worry about it or not.

It seems to have got louder recently but I might have just become more sensitive to the noise.

It does settle down once the engine is warmed up though and also seems to go away under light load.
 
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Old 04-19-2019, 09:28 PM
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