Expansion Block/Orifice Tube: Service and Repair

No removal procedure is provided by the manufacturer.

The expansion (orifice) tube is located in the evaporator inlet pipe. For additional information refer to Hose/Line HVAC

NOTE:
You may not need to replace the expansion tube when the system diagnostics indicate a restricted expansion tube. Remove the following materials found on the screen with compressed air:
- Metal chips
- Metal flakes
- Metal slivers

You may reuse the expansion tube under the following conditions:
- The plastic frame is not broken.
- The expansion tube is not damaged or plugged.
- The screen material is not worn.
- The screen is not plugged with fine gritty material.