09-23-2018, 01:19 AM
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#1 (permalink)
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Base Member
Join Date: Nov 2016
Location: Kent
Posts: 153
Drives: 15 Nissan 370z Nismo
Rep Power: 9
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Quote:
Originally Posted by Jordan12berg
My Z decided to start making a ticking noise when leaving a store one day. It’s never made loud valvetrain noise ever. It wasn’t on a cold start and it’s not at idle like some other posts have said. I’ve tried to research as much as I could before posting this.
The noise: it isn’t a loud rumble, it’s not a “knock” it’s more of a rhythmic loud-ish tick between 2200-4000 rpms on on throttle and stops ticking when the throttle has been let off completely no matter the rpms. I can hold the rpms steady and the noise happens.
There was 5W-30 synthetic oil in the engine unfortunately I was not running ester oil. I switched immediately to redline, and it’s been about 500 miles since the switch. The noise hasn’t gotten worse or better. I’m going to post a video of the noise soon. Power is the same and no vibrations.
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There is an engine flush that’s supposed to help with a ticking noise that can occur with some of the z cars. The one I’ve seen good things about is called Xtreme clean engine flush. I thought it was only on the 300z’s but read somewhere that someone had the same issue with their 370z. The one occurrence with a 370 and multiple of the 300z’s were fixed by using the engine flush!
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