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.

BODY ASSEMBLY THROTTLE W/MOTOR

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

The drain pipe on the service throttle body is no longer used and the hose can be discarded.

The drain pipe on the service throttle body is no longer used and the hose can be discarded.

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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