Lincoln Aviator 2020-2022 Service Manual / Electrical / Climate Control System / Climate Control System - General Information / Removal and Installation - Thermostatic Expansion Valve - 3.0L EcoBoost

Lincoln Aviator: Climate Control System - General Information / Removal and Installation - Thermostatic Expansion Valve - 3.0L EcoBoost

Removal

NOTICE: During the removal of components, cap, tape or otherwise appropriately protect all openings to prevent the ingress of dirt or other contamination. Remove 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 bolts and the suspension support bar.
    Torque: 22 lb.ft (30 Nm)
  1. Remove the PCM.
    Refer to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), Removal and Installation).
  1. Disconnect the harness retainers. Remove the bolts and the PCM mounting bracket.
    Torque: 55 lb.in (6.2 Nm)
  1. Remove the RH upper air cleaner outlet pipe.
    Refer to: Air Cleaner Outlet Pipe RH (303-12 Intake Air Distribution and Filtering - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), Removal and Installation).
  1. Remove the RH CAC intake pipe.
    Refer to: Charge Air Cooler (CAC) Intake Pipe (303-12 Intake Air Distribution and Filtering - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), Removal and Installation).
  1. Remove the cowl panel.
    Refer to: Cowl Panel (501-02 Front End Body Panels, Removal and Installation).
    1. Remove the routing bracket retainers.
      Torque:
         Routing brackets:   89 lb.in (10 Nm)
    1. Remove the rear evaporator line nut.
      Torque:
         Rear evaporator inlet line:   71 lb.in (8 Nm)
    1. Remove the thermostatic expansion valve nut and the rear evaporator line nuts. Position aside the thermostatic expansion valve manifold and tube assembly.
      Torque:
         Rear evaporator outlet line:   159 lb.in (18 Nm)
         TXV:   159 lb.in (18 Nm)
    • Make sure to cover any open ports to prevent debris from entering the system.
  1. Remove the bolts and the Thermostatic Expansion Valve (TXV).
    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.

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