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Tapping Noise, R33 Gtst

Mashi Maro

By Mashi Maro,
in General Maintenance

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Mashi Maro Apprentice

Mashi Maro

Posted
Posted

Hey guys, Hope you can help me out with this.

When i start my car, the engine runs fine, but if i start driving before its totally warmed up (ie. reading half on temp gauge), it runs smoothly but makes and annoying kind of tapping noise from the engine. I dont drive it hard with the engine cold and this has only recently occurred. I am avoiding driving incase i do some damage to it. Once the eingine is hot the sound goes away...

Has anyone had this probem? and if so is there anything i should do about this before something bad happens?

Cheers,

Andrew

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SKY031 Grand Master

SKY031

Posted
Posted

This has been covered one or two times.

http://www.skylinesaustralia.com/forums/in...howtopic=138126

http://www.skylinesaustralia.com/forums/in...howtopic=111312

http://www.skylinesaustralia.com/forums/in...howtopic=114247

http://www.skylinesaustralia.com/forums/in...showtopic=52859

http://www.skylinesaustralia.com/forums/in...showtopic=38937

http://www.skylinesaustralia.com/forums/in...?showtopic=4806

http://www.skylinesaustralia.com/forums/in...showtopic=21687

http://www.skylinesaustralia.com/forums/in...showtopic=30771

http://www.skylinesaustralia.com/forums/in...showtopic=16534

When was your last oil change?

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Mashi Maro Apprentice

Mashi Maro

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Posted

Thanks for the links mate. My searching skills obviously not upto scratch.

Oil pressure and levels are fine..

Pretty sure that its the exhaust gasket problem discussed in one of the links you provided. The most plausable reason for what i'm experiencing.

Cheers,

Andrew

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  • 2 weeks later...
tommis85 Mentor

tommis85

Posted
Posted

Hi there, just thought I'd share my 2 cents worth. I too have a tapping sound that comes from my car, and the majority of you have said that it is exhaust related. I've been wondering about mine, having fears that it was the lifters, cams and oil etc etc, but it has turned out to be the exhaust afterall. I have a broken manifold stud...so yeh, chances are that the light tapping does infact come from exhaust leaks most of the time.

I've been told that these are not too harmful to the motor if they are at the manifold like mine, however they can make the turbo run much hotter due to the air it's sucking in. Can lead to wheel meltdown apparantly so I'm keeping mine on stock boost till I get it fixed. The bad thing is that the gap will open further and further thru time increasing the chances of turbine damage...si it's worthwhile getting it looked at early.

Normally in my case you'd replace ALL studs, and get the manifold faced for a perfect new fit :)

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