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Discussion Starter #1
I have a 08 mdx at 122k now..
1. Idk if this is normal but i hear a noise like the ac compressor kicking in and the rpm kicks too (i dont have the ac on)
2. At idle here and there i will hear a ticking or tapping noise coming around the bottom, oil pan area, and when i accelerate it will continue and get much faster and cuts off around 2000rpm
3. The loud valve noises

Any ideas?, are these commen if so anything i can do to fix etc
 

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A video will be very useful….
1.- The A/C compressor will kick in with the heater too.
2.- Valves should make noise, its abnormally loud noise that is concerning.
 

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Discussion Starter #3
This is a video of the noise i get.. u can hear it more often when i rev it up a bit.. (it doesnt have a leak all the liquid is from the power steering fluid when i just recently changed the pump)
 

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I bet you have a worn/bad drive belt tensioner. I had very similar problem and replace it myself. Or you could have a bad AC compressor bearing.


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To me, sounds like a bearing
 
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