* Nissan Technical Information System: This website provides access to a variety of technical information for Nissan vehicles, including workshop manuals. You may need to create an account and pay a subscription fee to access the workshop manual.
* Nissan Club: This website is dedicated to Nissan vehicles and offers a variety of resources, including a download section where you can find workshop manuals for various Nissan models.
* RB20DET.net: This website is dedicated to the Nissan RB series of engines and provides a variety of resources, including workshop manuals.
Please note that while these websites may offer free PDF workshop manuals, you should exercise caution when downloading files from third-party websites to avoid any security risks.