Throttle Body Disassembly
CAUTION:
Before working on throttle body assembly, it is essential that residual pressure be relieved before throttle body is removed. See pressure relief procedure in FUEL PRESSURE RELIEF & TEST . Place throttle body on Holding Fixture (J-9789-118 or BT 30-15) to prevent damage to throttle valve.
Disassembly of throttle body unit for immersion in cleaning solvent requires removal of throttle body cover or fuel meter assembly, TPS and IAC assembly. For TPS removal, see THROTTLE POSITION SENSOR (TPS) R & I in this article. For IAC removal see IAC R & I in this article. Throttle valve screws are staked in position and should not be removed.