From time to time, a rattle in the entrance with the engine doesn’t necessarily imply the VCT equipment is worn out. The timing chain guide about the SR20 and KA24 engines is known to loosen and rattle, knocking on the valve go over since the timing chain moves beneath it. https://jdmnissansr20turboenginef48035.bloggin-ads.com/55325764/not-known-facts-about-jdm-nissan-sr20-turbo-engine-for-sale