Depending on which system you have here is the location for that ok.
Expansion (Orifice) Tube Replacement (C60) Removal Procedure
J 26549-E Orifice Tube Remove and Installer
In the event of difficulty during the removal or a restricted or plugged expansion (orifice) tube, take the following steps:
Remove the tube.
J 26549-E Orifice Tube Remover and Installer
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten Tighten the tube connection to 24 N·m (18 lb ft).