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2009 Honda Accord / Engine Bay Noise


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Swesweman123
New User

Nov 29, 2022, 6:17 PM

Post #1 of 3 (344 views)
2009 Honda Accord / Engine Bay Noise Sign In

2009 Honda Accord 2.4L Automatic Transmission 156k Miles

Noise A: While in gear there’s a mechanical like rotational grinding or vibration. Imagine your phone on the table buzzing maybe not as intense but I can feel it in the peddle to some extent. It’s clearly heard. It does not occur all the time, so it isn't a guarantee it will but more often than not, it will. It does NOT occur while gears are disengaged, neutral. Once I engage I can hear this grinding or vibration. While accelerating I do NOT hear it. it’s typically only when I'm idling, like if I'm sitting in a drive thru, there is kind of a tiny shake to it, the front, idk. I assume it's a pulley or an accessory who's spinney thing went bad.

Noise B: Again there's a sound coming from the engine bay like I’m low on engine oil. Around 1500 rpm there’s a buzzing/a low chkchk sound. It only occurs when I’m driving slow at the roughly 1500rpm mark, I CANNOT replicate revving in neutral/Parked. If I give it some good gas it doesn’t really occur but I can sometimes hear it for like a split second as I climb the rpm’s. I thought I was low on oil and I checked and my engine oil levels are fine. I did check transmission and it is low, is shy of the minimum marker, I plan to top it off but the color looked good, it was still vibrant red, so it was probably done when I bought it. It appears that it might go away once I hit peak operating temperature but that detail is inconclusive as of right now. Since my Trans fluid is shy of the minimum fill line, it might be this since when I drive a long time/distance, it's harder to replicate because I assume the oil gets hot and lubricates better despite it being short, but did I mess up my transmission?

Any help would really be appreciated. I intend to take it to a shop but I want to know what to consider and what to look for incase they’re unable to replicate it / I simply want to know what needs to be done.
I’m more concerned about noise B as that one is a lot more ominous to me and I’m afraid I damaged my transmission badly.

Thanks again, I appreciate any advice anyone can give me.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 29, 2022, 7:39 PM

Post #2 of 3 (333 views)
Re: 2009 Honda Accord / Engine Bay Noise Sign In

This is most likely one of the belt driven components like alternator, water pump, power steering, AC or an idler pully. The first thing I would try is to remove the drive belt and run the engine for a few seconds to see if the noise is there.

It can also be something in the timing components and your going to need an expert to listen to that.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 29, 2022, 10:27 PM

Post #3 of 3 (319 views)
Re: 2009 Honda Accord / Engine Bay Noise Sign In

Absolutely, check everything. Add motor mounts and flex exhaust pipe and heat shields placed along the way engine too,

T







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