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post #1 of 6 (permalink) Old 07-04-12, 03:33 PM Thread Starter
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Noise under Valve Cover

I have a 1998 Ford Explorer 4.0L SOHC with a clicking noise coming from under the valve cover on the passenger side rear. It sounds like a valve/lifter out of adjustment. Is there an adjustment for the valve/lifters? Or what are my options for the cause of the noise?

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post #2 of 6 (permalink) Old 07-04-12, 03:48 PM
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Re: Noise under Valve Cover

There are no adjustments. It may be an exhaust leak too.

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post #3 of 6 (permalink) Old 07-04-12, 04:00 PM Thread Starter
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Re: Noise under Valve Cover

Thanks for the reply. It is under the valve cover. I used a stethoscope to identify where the noise is coming from. That is how I know it is on the passenger side, rear part of valve cover.
So, if no adjustment. Could mean worn down or broken part??
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post #4 of 6 (permalink) Old 07-04-12, 05:48 PM
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Re: Noise under Valve Cover

You'd have to remove the cover to tell. It could be a bad lifter, broken spring, etc.

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post #5 of 6 (permalink) Old 07-04-12, 09:48 PM Thread Starter
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Re: Noise under Valve Cover

Yah, that is what I thought. So now just finding time to do it. Thanks.
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post #6 of 6 (permalink) Old 07-05-12, 08:55 AM
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Re: Noise under Valve Cover

Keep us posted.

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