S2000 Under The Hood S2000 Technical and Mechanical discussions.

Rattle under car when revving?

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Old 05-16-2005, 01:45 PM
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Default Rattle under car when revving?

When I rev the car to about 3500 to 4500 rpms the car makes a noise almost sounds like lifters knoking but it isnt in the motor it directly under the car. I cant figure it out any idea's???
Old 05-16-2005, 03:43 PM
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heat shield rattle maybe?
Old 05-16-2005, 03:45 PM
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Mine was intermittent.
Old 05-16-2005, 03:48 PM
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check your oil. it happened to me and it was a knock in the crank case. fill it up with oil and it will go away.
Old 05-21-2005, 06:42 PM
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Hell I have that same problem now! Now my car viberates at about 3500rpms. I took it to the honda dealership here in KY. They couldn't find the problem so now I have to go to Frickin Florida to figure this one out!
Old 05-22-2005, 08:33 PM
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If you have a test pipe, the 02 sensor may be loose. I know I had a problem with it for a while
Old 05-23-2005, 07:45 AM
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Could be your catalytic converter too, was what my noise was.
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