Expansion Valve: Service and Repair

Expansion Valve Removal and Installation

Reference: HVAC Unit Components

Removal
1. Recover refrigerant from the A/C system with recovery and recycling equipment referring to "Recovery" in Operation Procedure for Charging A/C with Refrigerant.
2. Loosen a bolt (1) and remove pipes from expansion valve (2).




3. Loosen bolts (3) and remove expansion valve.

Installation

1. Reverse removal nothing the following instructions.
- Apply compressor oil to O-ring of expansion valve and pipes.

2. Evacuate and charge system according to Operation Procedure for Charging A/C with Refrigerant.