Thermostatic Expansion Valve
THERMOSTATIC EXPANSION VALVERemoval and Installation
CAUTION: Refrigerant compressor oil (mineral oil) should be used to lubricate R-134a refrigerant system O-ring seals only and should not be added to the R-134a refrigerant system as an A/C compressor lubricant. PAG refrigerant compressor oil only should be used as an A/C compressor lubricant.
NOTE: Installation of a new receiver/drier 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 receiver/drier.
1. Remove the evaporator core.
2. Disconnect the evaporator outlet fitting.
- Discard the O-ring seal.
- To install, tighten to 24 Nm (18 lb-ft).
3. Disconnect the evaporator inlet fitting.
- Discard the O-ring seal.
- To install, tighten to 24 Nm (18 lb-ft).
4. To install, reverse the removal procedure.
- Install new O-ring seals lubricated in clean mineral oil.