Removal and Installation for Expansion Valve

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

Discharge the refrigerant. Refer to "HFC-134A (R-134A) SERVICE PROCEDURE ".
Disconnect the refrigerant lines from the cooler unit.
CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
Remove the cooler grommet.
Remove the expansion valve.
Expansion valve mounting bolts

Tightening torque : 2.9 - 5.0 N.m (0.30 - 0.50 kg-m)

Fig 1: Removing Expansion Valve
Courtesy of NISSAN MOTOR CO., U.S.A.