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Loud humming sound from engine


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prodrigsr
User

Mar 16, 2013, 10:59 PM

Post #1 of 6 (1600 views)
Loud humming sound from engine Sign In

2005 Taurus 3.0, 6cyl. 95000 miles. Have a loud humming sound coming from passenger side of engine. Replaced both pullies (idler and tensioner ). Still there, after I replaced power steering pump, sound still there. Noticed tensioner was out of kilt so replaced that one and still the humming sound. Now I feel a slight vibration on steering column when stopped. What's next??


Tom Greenleaf
Ultimate Carjunky / Moderator
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Mar 16, 2013, 11:06 PM

Post #2 of 6 (1596 views)
Re: Loud humming sound from engine Sign In

Is harmonic balancer in alignment?

T



Hammer Time
Ultimate Carjunky / Moderator
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Mar 17, 2013, 4:42 AM

Post #3 of 6 (1554 views)
Re: Loud humming sound from engine Sign In

Might be time to start diagnosing and stop throwing parts at it.
You should be able feel it in the individual pulley by spinning them by hand with the belt removed.

You're probably down to either the water pump, alternator or the A/C compressor



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Discretesignals
Ultimate Carjunky / Moderator
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Mar 17, 2013, 6:17 AM

Post #4 of 6 (1546 views)
Re: Loud humming sound from engine Sign In

Which 3.0L? DOHC or OHV? Can you record the noise and upload it to a video hosting site and then paste the link to it in here?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


prodrigsr
User

Mar 17, 2013, 1:23 PM

Post #5 of 6 (1517 views)
Re: Loud humming sound from engine Sign In

Its the 3.0 OHV. Would malfunctioning PCV valve cause that sound?


Discretesignals
Ultimate Carjunky / Moderator
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Mar 18, 2013, 4:59 AM

Post #6 of 6 (1494 views)
Re: Loud humming sound from engine Sign In

Remove the valve from the cover and put your finger over the hole in the end with the engine running. See if the noise goes away.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.






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