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Toyota Vitz 2sz Timing Marks Fix | 95% COMPLETE |

Toyota officially states the 2SZ timing chain does not require regular replacement. However, based on real-world mechanic experience:

Yes. You can remove the valve cover and timing cover with the engine in the car, but you’ll need to support the engine from above and remove the right-side engine mount. toyota vitz 2sz timing marks

If your chain has colored links (plated links), they serve as a visual confirmation: Toyota officially states the 2SZ timing chain does

The timing marks are located on three main components: toyota vitz 2sz timing marks

View from front of engine (radiator side):

Signs your chain needs attention: