Valve - thermostatic expansion (TXV)

AIR CONDITIONING

REPAIRS

82-15

Valve - thermostatic expansion (TXV)

$% 82.25.01

Remove

1. Disconnect battery earth lead.
2. Recover refrigerant from A/C system.

 + 

 AIR CONDITIONING, REFRIGERANT 

RECOVERY, RECYCLING AND 
RECHARGING, Refrigerant recovery - 
recycling and recharge.

3. Remove bolt securing A/C pipes to TXV, 

disconnect pipes and discard 'O' rings. Plug A/
C connections.

WARNING: Under no circumstances should 
refrigerant hoses be disconnected without 
first discharging the system.

4. Remove 2 Allen screws securing TXV to 

bulkhead, withdraw assembly and discard 'O' 
rings.

CAUTION: Before disconnecting or 
removing components, ensure the 
immediate area around joint faces and 
connections are clean. Plug open 
connections to prevent contamination.

Refit

1. Clean mating faces and seal recesses on 

evaporator, TXV and block and pipe assembly.

2. Lubricate new 'O' rings with clean refrigerant oil 

and fit to TXV pipes.

3. Fit block and pipe assembly to TXV and tighten 

bolts to 5 Nm (3.5 lbf.ft).

4. Recharge A/C system.

 + 

 AIR CONDITIONING, REFRIGERANT 

RECOVERY, RECYCLING AND 
RECHARGING, Refrigerant recovery - 
recycling and recharge.

5. Connect battery earth lead.