E 450 V8-5.4L (2009)
Expansion Block/Orifice Tube: Description and Operation
Removal and Installation
Evaporator Core Orifice
Removal
1. Disconnect the evaporator inlet fitting.
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Discard the O-ring seal.
2. Inspect the evaporator core orifice for damage before attempting to remove it from the evaporator core inlet line.
3. If the evaporator core orifice is intact, engage the Evaporator Core Orifice Remover/Installer. Hold the T-handle stationary while rotating the tool
body to remove the evaporator core orifice.
4. If the evaporator core orifice is broken, screw the end of the Damaged Evaporator Core Orifice Remover into the broken orifice. Hold the
T-handle stationary while rotating the tool body to remove the evaporator core orifice.