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Strange noise when idling

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Tywhiteguy
Lancer VR/GT
Lancer VR/GT
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Joined: Mon Jul 01, 2019 6:07 am

Strange noise when idling

Postby Tywhiteguy » Mon Jan 25, 2021 4:07 am

Just noticed this terrible noise when idling in drive. I’m assuming it has something to do with the pulleys or belts but I don’t have the expertise. It doesn’t happen every time I drive but when it does it’s embarrassing. When I go to neutral it makes no such noise. Here’s the video:
https://youtube.com/shorts/5HPeWBEIgvs
2012 ES Sportback USDM Long Beach, CA. RA Snorkel, K&N Drop-In,Custom 2.25 catback with Flowmaster resonator+jdm 4” muffler, Gutted from rear seats back, Pioneer AVH-211EX+12” compact sub :welcome:

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bumblebee
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Location: Australia

Re: Strange noise when idling

Postby bumblebee » Mon Jan 25, 2021 6:18 am

We had one similar to this a few months ago on the forum , from memory it was the automatic belt tensioner on the serpentine belt.
It might be a very wise idea to get the car to a decent mechanic asap

CJVR08
Lancer VR/GT
Lancer VR/GT
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Joined: Fri Dec 18, 2020 5:54 pm

Re: Strange noise when idling

Postby CJVR08 » Mon Jan 25, 2021 8:11 am

Yea usually that or fan belt slipping

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bumblebee
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Re: Strange noise when idling

Postby bumblebee » Mon Jan 25, 2021 6:17 pm

The lancer doesn't have a "fan belt" it has a serpentine belt
The fans are Electronically control via the ECU

awood
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Location: Darwin

Re: Strange noise when idling

Postby awood » Mon Jan 25, 2021 6:49 pm

Maybe a better vid of the engine bay area?
Where the sound is coming from.

Tywhiteguy
Lancer VR/GT
Lancer VR/GT
Posts: 211
Joined: Mon Jul 01, 2019 6:07 am

Re: Strange noise when idling

Postby Tywhiteguy » Mon Jan 25, 2021 11:45 pm

It’s definitely in the engine bay, that’s the thing it doesn’t happen every day and only in drive so if I’m somewhere where I can safely leave it in drive and put the parking brake on I’ll hop out and get a quick video
2012 ES Sportback USDM Long Beach, CA. RA Snorkel, K&N Drop-In,Custom 2.25 catback with Flowmaster resonator+jdm 4” muffler, Gutted from rear seats back, Pioneer AVH-211EX+12” compact sub :welcome:


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