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2023 Montero Sport GLS AT hissing sound @ 20-40 kph

Started by accordion, March 07, 2023, 09:38:03 AM

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Hi po sa mga ka monty.  Ask ko lang kung meron din po bang hissing sound ang monty niyo pag 20-40 kph lalo na pag stop and go.  Nag 1K PMS ako sabi ng mechanic turbo daw yun, pro di ba ang turbo  @ 80+ kph dpt nag ki kick in?  Pinatest drive nila un isa nilang unit na 2023 AT meron din, ano kaya un sound na un.

Naririnig sa loob ng cabin yun hissing sound pro pag lampas ng 40KPH ok nmn.

Ok nmn ang takbo at acceleration, yun lang sound na yun ang iniisip ko.



Based on your description, the hissing sound you hear during stop-and-go situations at 20-40 kph may be related to the turbo system. However, it is important to note that the turbocharger does not usually kick in at 80+ kph, but rather when the engine is under heavy load or acceleration.

It is possible that the hissing sound you hear is normal for your Monty and may be present in other similar vehicles as well. To be sure, it would be best to have it checked by a trusted mechanic or dealer for proper diagnosis.

It's worth noting that a properly functioning turbo system can sometimes produce a hissing sound during acceleration, but it should not be a cause for concern as long as it is not accompanied by other unusual symptoms like loss of power or abnormal smoke from the exhaust.

I hope this helps, and please don't hesitate to ask if you have any more questions or concerns!


Thank you Sir.  Power and acceleration is perfect, nothing unusual with the ride.  Only the hissing sound is annoying :-)

Now I can have a peace of mind.

Stay Safe!


Maybe you're just hearing the turbo spooling... If there's nothing wrong with the performance and nothing comes up on the computer, it should be no problem.

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