Astra L4-1.8L (2009)
Housing Assembly HVAC: Service and Repair
HVAC Module Assembly Replacement
HVAC Module Assembly Replacement
Removal Procedure
1. For vehicles equipped with air conditioning (A/C) remove the block connector and the refrigerant lines from expansion valve.
1. Remove the bolt.
2. Detach the refrigerant lines.
Note: If installation is postponed, close off lines and connections.
2. Remove the thermostatically controlled expansion valve (TXV) (1).
Insert the bolt, block connector refrigerant line in the expansion valve (2) and remove the expansion valve.
3. For vehicles equipped with A/C, remove the expansion valve retaining plate.
Note: Depressurize the cooling system by opening and re-closing closure cap on coolant compensation tank.
4. Drain the coolant.
Collect the coolant in a drip pan.
