Need help pinpointing bearing noise
Need help pinpointing bearing noise
I've had this noise for a few months now but it is really hit or miss on when it does it. It is usually just the first 30 seconds or so after starting the car when cold, and it usually does it when I am in gear and have fully or partially released the clutch, though it will sometimes do it just idling in neutral or just idling in gear with the clutch in. A few times I've got it to start up by just turning on the ac. Basically a mild-moderate load on the engine when cold will get it started. It sounds like it is coming right from the power steering pump, though I just replaced it and the noise is still there. I'm guessing it is some drive belt accessory or timing belt component. In the past year I've done a WP/timing belt job (aisin) and replaced the a/c compressor and serp tensioner/idler.
Any ideas? I've attached a couple of videos, for the one in the car, I have it in gear and am slightly engaging the clutch to get it chirping. It doesn't do that in neutral and sounds like it's coming from the top of the engine in the drive belt area so I don't think it is the throwout bearing.
https://streamable.com/17z4m0
https://streamable.com/q1lotd
Any ideas? I've attached a couple of videos, for the one in the car, I have it in gear and am slightly engaging the clutch to get it chirping. It doesn't do that in neutral and sounds like it's coming from the top of the engine in the drive belt area so I don't think it is the throwout bearing.
https://streamable.com/17z4m0
https://streamable.com/q1lotd
Last edited by 056mt; Oct 25, 2021 at 06:37 PM.
I've had this noise for a few months now but it is really hit or miss on when it does it. It is usually just the first 30 seconds or so after starting the car when cold, and it usually does it when I am in gear and have fully or partially released the clutch, though it will sometimes do it just idling in neutral or just idling in gear with the clutch in. A few times I've got it to start up by just turning on the ac. Basically a mild-moderate load on the engine when cold will get it started. It sounds like it is coming right from the power steering pump, though I just replaced it and the noise is still there. I'm guessing it is some drive belt accessory or timing belt component. In the past year I've done a WP/timing belt job (aisin) and replaced the a/c compressor and serp tensioner/idler.
Any ideas? I've attached a couple of videos, for the one in the car, I have it in gear and am slightly engaging the clutch to get it chirping. It doesn't do that in neutral and sounds like it's coming from the top of the engine in the drive belt area so I don't think it is the throwout bearing.
Any ideas? I've attached a couple of videos, for the one in the car, I have it in gear and am slightly engaging the clutch to get it chirping. It doesn't do that in neutral and sounds like it's coming from the top of the engine in the drive belt area so I don't think it is the throwout bearing.
Everything looks good but I will go over everything this weekend. I'm praying it's nothing TB related because I had to do an improper thread repair on the TB tensioner after the last guy crossthreaded it.
Last edited by 056mt; Oct 26, 2021 at 04:08 AM.
Well I'm pretty sure it was the serpentine belt tensioner. I replaced it last Sunday and haven't heard the noise since. I guess time will tell, the noise was hit or miss but happened daily for the most part.
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