Installation Procedure

2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Installation Procedure
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4849000

    Coat the O-ring seal with the proper type refrigerant oil. Adhesives, Fluids, Lubricants, and SealersΒ 

  2. NOTE:

    The shorter screen end first into the evaporator.

  3. Air Conditioning Evaporator Orifice Tube (1)@Air Conditioning Evaporator - Install
  4. GM4622255

    Air Conditioning Evaporator Tube(4)@Air Conditioning Evaporator - Install - Air Conditioning Evaporator Tube Replacement (C60)Β Air Conditioning Evaporator Tube Replacement (C69)Β 

  5. Evacuate and charge the refrigerant system. Refrigerant Recovery and RechargingΒ .
  6. Check for refrigerant leaks.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.