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Help Identify this noise please

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Old Apr 20, 2018 | 12:02 PM
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mrollings53's Avatar
mrollings53
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Help Identify this noise please
Got a weird noise coming from the passenger valve cover area on my engine. Any help is appreciated.

 
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Old Apr 20, 2018 | 03:26 PM
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Check valve chatter on A.I.R. system?

Localize with stethoscope or screwdriver-to-ear on valve cover to eliminate valve train.
 
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Old Apr 20, 2018 | 09:43 PM
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Went and bought a stethoscope. Noise is either the PCV valve, or coming directly underneath it. Sounds a lot like a pepper grinder with bb's instead of pepper.
 
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Old Apr 21, 2018 | 12:34 PM
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I had something similar going on, turns out the PCV valve was chattering. Put a Motorcraft in it and it shut up. Make sure the vacuum line for it isn't collapsed also.
 
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