Drivetrain Questions and info regarding transmissions, clutches, etc.

Slight "knock" at specific speed

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Old 11-09-2016, 03:02 PM
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Post Slight "knock" at specific speed

Hello!

I am new to this family of cars, just purchased an 03 G35 Coupe in Pearl White with 130k on the clock. The car is extremely fun so far but I have noticed one issue that is worrying me. From 20-25mph, whether coasting or under power I feel a slight "knock" coming from the underside of the car. I do not feel it in the steering wheel like brakes or tires (which are both brand new on all 4 corners). It starts at 20 and stops at 25mph. I have searched and found one link (from here) that describes my issue. https://g35driver.com/forums/g35-sed...vibration.html

The only difference being that my car is doing at while coasting or braking. Could it be anything other than the needle bearings? Thanks in advance for the help!
 



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