I don't think it's the belts. I have all new pulleys and it really sounds like it's coming from the vanos/cams. I will give it a shot anyway.
Anyone else?
I would appreciate if anyone could share videos of their engines:
-Fully warmed up
-Gently modulate throttle to move between 800 and 1200RPM.
-Video at vanos unit
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It appears this guy has the same sound, but is present at idle.
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Grinding noise just off idle (video inside)
My car is making this noise just off idle. It's a grinding noise that I can hear and feel - feels like it's coming from the front/vanos area. I have all the VANOS fixes installed.
- Only audible coming off idle, goes away at ~1100RPM
- Not heard at idle
- Not heard at any engine speed higher than ~1100RPM
- No codes or issues, engine runs smooth
I have tried searching online and found other videos that exhibit the same noise.
This video at 0:10
Kinda similar noise to this, but mine is not present at idle like his.
Last edited by cobra; 10-09-2021, 09:42 PM.
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