Online enthusiast forums dedicated to the Daihatsu Terios or Toyota Rush often have shared manuals in their "Technical Resources" sections.
: Detailed instructions for cooling system inspection, radiator maintenance, and water pump replacement. Core Specifications Service Manual 3sz-Ve | PDF | Motor Oil - Scribd
Here's a guide to help you find or work with the 3SZ-VE engine manual:
While robust, the 3SZ-VE has specific quirks that mechanics should be aware of: