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2008 Honda Pilot EX-L 4WD
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Discussion Starter #1
I have an annoying sound coming from "below" "In front" of the front passenger side leg area.....As soon as I start the engine especially when it's a cold start but disappear slightly when the engine warms up.....still hear it and annoying at times. Checked the crank pulley -- not wobbly. Replaced tensioner pulley.....didn't really do much....and I replaced the serpentine.....why not? LOL!!!! Should I worry or just turn the radio up a bit.....

Thanks Folks...y'all are awesome!
 

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Can you post a video of your noise?

From the engine bay? Tensioner? Alternator? Power steering pump?

From the cabin side of the firewall? Air mix motor? Dirty cabin air filter? Front blower motor?
 

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2008 Piot SE FWD, 2015 Pilot LX 4WD. 2005 GSX-R1000
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If it were a pulley, it would go away when taking the serpentine off and starting motor.
The S belt won't make noise- if it needed it anyways, good call.

How old is your timing belt/tensioner? Does it change when you turn the steering wheel?
 

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Discussion Starter #7
The fan below the glove compartment? If so, fan was not turned on.
 

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Discussion Starter #10
If it were a pulley, it would go away when taking the serpentine off and starting motor.
The S belt won't make noise- if it needed it anyways, good call.

How old is your timing belt/tensioner? Does it change when you turn the steering wheel?
Timing belt is 2 years old and less than 15K. Noise remains even if steering wheel is turned.
 

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Discussion Starter #11
Can you post a video of your noise?

From the engine bay? Tensioner? Alternator? Power steering pump?

From the cabin side of the firewall? Air mix motor? Dirty cabin air filter? Front blower motor?
Here are the videos with sound (hopefully)......AC, Heat, or Fan TURNED OFF!

 

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Everything in your exhaust system intact?

Can you pull any codes when you hook it up to a scanner?
 

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Discussion Starter #13
Everything in your exhaust system intact?

Can you pull any codes when you hook it up to a scanner?
Exhaust appears intact. I say that because I did not hear anything when I have it up and running.......followed from the manifold on back...Is there an exhaust check that can be done if i take it to a shop?
No codes at all.
 

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Discussion Starter #14
Well as un update to the sound....it's actually the mounts.....I have them all replaced using OEM mounts and noise is gone.....I might venture in replacing the tensioner pulley with an OEM as well....it was replaced by an aftermarket initially thinking it was the source of the noise...
 

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Well as un update to the sound....it's actually the mounts.....I have them all replaced using OEM mounts and noise is gone.....I might venture in replacing the tensioner pulley with an OEM as well....it was replaced by an aftermarket initially thinking it was the source of the noise...
If it's possible, please, record a video sound clip after repairs. Thank you.
 

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Discussion Starter #16
Sure. here it is. The previous video with sound is in this thread.
 

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Sure. here it is. The previous video with sound is in this thread.
Amazing! So quiet now.
Now we know what bad engine mounts can sound like. Thanks!
 
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