06 explorer 4.0.
Upon initial start I hear a clattering noise. After Rpms stabilize they go away. Upon acceleration the noise will return and become louder. After speed is reached and maintained the noise goes away. Also going up hill noise is louder and loses power.
No blow by.
190k miles.
Well maintained.
No blow by.
190k miles.
Well maintained.
Last edited by Clatteringnoise; Jun 29, 2021 at 12:49 PM.
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grk_b747
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Nov 22, 2011 02:24 PM



