TwinTurbo.NET: Nissan 300ZX forum - Loud knocking sound on top of motor when cold.
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Subject Loud knocking sound on top of motor when cold.
     
Posted by Ed300zinga on May 09, 2010 at 9:04 PM
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Message I have a 94tt. There is about 125,000 miles on the motor. I have done the 120k kit. maintence is up to date. When I crank the car up in the morning or when it is cold I started hearing a lound knocking sound. once I drive the car for a few minutes it goes away. I have stopped driving car because I do not want to ruin the motor if its something I can fix. If its bigger then I will take to z1 to get fixed. Please help me!!!!!!! I am going to call John at z1 tomorrow.

     
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