Expansion Block/Orifice Tube: Service and Repair

EVAPORATOR CORE ORIFICE

Special Tool(s):

Special Tool(s)







Removal

NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning system except when there is physical evidence of contamination from a failed A/C compressor or damage to the suction accumulator.

1. Remove the condenser to evaporator line.
2. Index-mark and disconnect the 2 halves of the condenser-to-evaporator line.
- Discard the O-ring seal.

3. Inspect the evaporator core orifice for damage before attempting to remove it from the evaporator core inlet line.







4. If the evaporator core orifice is intact, engage the special tool. Hold the T-handle stationary while rotating the tool body to remove the evaporator core orifice.







5. If the evaporator core orifice is broken, screw the end of the special tool into the broken orifice. Hold the T-handle stationary while rotating the tool body to remove the evaporator core orifice.

Installation







1. Lubricate the evaporator core orifice O-ring seals with clean PAG oil and install the evaporator core orifice using the special tool.
2. Align the index marks and connect the evaporator core orifice fitting.
- Install a new O-ring seal.
- Tighten to 24 Nm (18 lb-ft).

3. Install the condenser to evaporator line.