Lincoln Navigator: Rear Climate Control / Rear Thermostatic Expansion Valve. Removal and Installation

Removal

NOTICE: During the removal or installation of components, cap, tape or otherwise appropriately protect all openings and tubes/fittings to prevent the ingress of dirt or other contamination. Remove caps, tape and other protective materials prior to installation.

NOTE: Removal steps in this procedure may contain installation details.

1. With the vehicle in N , position it on a hoist.
   Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
   

1. Recover the refrigerant. Refer to the appropriate Recovery procedure in Group 412.
   

1. 
   Remove the nut and position the rear thermostatic expansion valve manifold and tube assembly aside.
   
   • Make sure to cover any open ports to prevent debris from entering the system.
     Torque: 159 lb.in (18 Nm)

1. 
   Remove the bolts and the rear thermostatic expansion valve.
   
   • Make sure to cover any open ports to prevent debris from entering the system.
     Torque: 71 lb.in (8 Nm)

Installation

1. To install, reverse the removal procedure.
   

1. NOTICE: Only use the specified material to lubricate the seals.

   Install and lubricate new O-ring seals. Refer to the appropriate Specifications in Group 412.
   

1. Lubricate the refrigerant system with the correct amount of clean PAG oil. Refer to the appropriate Refrigerant Oil Adding procedure in Group 412.