Lincoln Navigator: Climate Control System - General Information / 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. Recover the refrigerant. Refer to the appropriate Recovery procedure in Group 412.
   

1. Remove the battery tray.
   Refer to: Battery Tray (414-01 Battery, Mounting and Cables, Removal and Installation).
   

1. Remove the thermostatic expansion valve manifold tube assembly bracket retainer.
   Torque: 133 lb.in (15 Nm)

1. 
   Remove the thermostatic expansion valve manifold and tube assembly nut, position the thermostatic expansion valve manifold and tube assembly aside.
   
   • Make sure to cover any open ports to prevent debris from entering the system.
     Torque: 80 lb.in (9 Nm)

1. 
   Remove the thermostatic expansion valve bolts, and the 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.