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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (HVAC - Manual) >> Repair Instructions >> Heater and Air Conditioning Control Vacuum Source Hose Replacement (Check Valve to Vacuum Tank) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4857920Courtesy of GENERAL MOTORS COMPANY

    Heater and Air Conditioning Control Vacuum Source Hose (1) - Install

  2. Heater and Air Conditioning Control Vacuum Source Hose (1) @ Heater and Air Conditioning Control Vacuum Tank - Install
  3. GM4857914Courtesy of GENERAL MOTORS COMPANY

    Heater and Air Conditioning Control Vacuum Source Hose Clip (4) - Install

  4. Heater and Air Conditioning Control Vacuum Source Hose Check Valve (1) @ Air Valve Actuator Vacuum Harness (3) - Install
  5. Heater and Air Conditioning Control Vacuum Source Hose Check Valve (1) @ Heater and Air Conditioning Control Vacuum Source Hose (2) - Install
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