In some cases, a rattle in the entrance of the engine doesn’t essentially signify the VCT equipment is worn out. The timing chain guideline to the SR20 and KA24 engines is understood to loosen and rattle, knocking to the valve go over as being the timing chain moves beneath it. https://bookmarksaifi.com/story18748836/jdm-nissan-sr20-turbo-engine-for-sale-fundamentals-explained