Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
Vehicle » Heating and Air Conditioning » Expansion Valve » Service and Repair  
  Service and Repair  


Removal and Installation for Expansion Valve


  1. Discharge the refrigerant. Refer to See: Service and Repair\Refrigeration System.
  2. Remove the strut tower bar. Refer to See: Steering and Suspension\Suspension\Service and Repair\FRONT SUSPENSION ASSEMBLY\Exploded View.
  3. Remove the upper cowl. Refer to See: Body and Frame\Cowl\Cowl Moulding / Trim\Service and Repair\Coupe.
  4. Remove the lower RH cowl.
  5. Reposition the power steering reservoir aside without disconnecting the power steering hose.
  6. Disconnect the A/C pipes from the expansion valve. Refer to See: Description and Operation\Refrigeration System\Component.

Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

  1. Remove the expansion valve.

Installation is in the reverse order of removal.

Expansion valve mounting bolts : 2.9 - 5.0 N.m (0.29 - 0.51 kg-m, 26 - 44 in-lb)


  • Replace the O-rings with new ones, then apply compressor oil to them when installing them.