Technical Service Bulletins

No more drain pipe for Scion

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No more drain pipe for Scion

This Scion service bulletin provides update throttle body part number information for certain vehicles equipped with the 2AZ-FE engine. The drain pipe has been eliminated on throttle body service parts. This applies to 2005-2010 tC and 2008-2010 xB models.


Model tC (2005-2006)

Previous P/N 22030-0H020     22030-28060

Current P/N 22030-0H021

Model tC (2007-2010)

Previous P/N 22030-0H030     22030-28070

Current P/N 22030-0H031

Model xB (2008-2010)

Previous P/N  22030-0H030   22030-28070

Current P/N  22030-0H031

When replacing the throttle body assembly, remove and discard the throttle body hose that no longer has a port on the throttle body assembly. The port connected to the other end of the throttle body hose can be left open to the atmosphere and does not need to be sealed.

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