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Expansion valve

Expansion valve

To remove



1. Drain the refrigerant from the A/C system, see .

2. Detach the A/C pipes from the expansion valve, 1 bolt in centre of valve.

Plug the openings and move the pipes to one side.

3. Remove the expansion valve, 2 countersunk hexagonal socket screws.



To fit


Important

Be careful not to contaminate the new expansion valve.



1. Lubricate the O-rings with synthetic vaseline. Fit the O-rings on the pipes leading from the evaporator.

2. Press the expansion valve onto the A/C pipes and tighten.

Tightening torque: 5 Nm (3.7 lbf ft)

3. Remove the plugs and lubricate the O-rings on the pipes from the compressor and condenser respectively.

4. Press on the A/C pipes to the expansion valve.


5. Locate the pipe holder (washer) against the valve and tighten.

Tightening torque: 8 Nm (5.9 lbf ft)

6. Vacuum pump the A/C system and fill with R134a refrigerant, see .