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Knock inside the tapped cover

Tiny
PHOLOGE
  • MEMBER
  • 2013 CHEVROLET CRUZE
  • 0.6L
  • 4 CYL
  • 2WD
  • MANUAL
  • 184,759 MILES
My car is starting well, but when idling I can he knock like it's coming from the camshafts. Any ideas? Thanks
Wednesday, February 2nd, 2022 AT 3:19 AM

3 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Is the noise only exist when the engine is at idle?

Is it constant noise? Does it change frequency as the engine speed increases or decreases?

You could have various noises from an engine due to different reasons. It could be due to low oil. Or having improper fuel that is creating a knock.

If possible, upload a video so we can hear the noise.

Let me know if you have any questions.
Thank you.

https://www.2carpros.com/articles/engine-noises
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Wednesday, February 2nd, 2022 AT 7:07 AM
Tiny
PHOLOGE
  • MEMBER
  • 1 POST
Hello,

The noise you can hear only when idling.

Sent from my Huawei phone.
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Thursday, February 3rd, 2022 AT 8:11 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Can you please shoot a quick video with your phone so we can hear the noise? That would be great. You can upload it here with your response.
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Thursday, February 3rd, 2022 AT 8:12 AM

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