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Noise like an air leak

SummitSeeker

TRD Off-Road Premium
Active member
Joined
Jan 18, 2026
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Colorado
Vehicle(s)
2026 4Runner ORP
I’ve noticed lately when my 2026 ORP Gas is idling after the warming up, the engine sounds like there is air leak coming from the engine bay or front half exhaust. I cannot recall if it sounded like this when new, but it has been like this since about 1,000 miles (now about 2,500).

Has anyone else noticed this type of noise or is this abnormal?

I’ve also noticed a noise when turning off the engine that sounds kinda like a cheap rickety fan winding down quickly. Not sure if that’s normal or abnormal as well,
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watchbuzz

SR5
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Buzz
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Nov 5, 2025
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East Coast, USA
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'25 4runner SR5, '19 Golf R
SR5 here. Yes, at times it can sound tonal. There is a drain hole at the front of the muffler I find that to be the culprit. If its cold, you can cover it with your finger for a second... If hot, you'll want to use something else (and, don't stick anything to it).

This setup makes a ton of crazy noises so it's tough to diagnose based on descriptions.
 
 







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