FixVault
Home › GMC › 2001 › C3500 HD 8.1 G, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - 8.1L - Repair Instructions › Repair Instructions › Secondary Air Injection Vacuum Check Valve Replacement › Installation Procedure

Installation Procedure

    Fig 1: AIR Pump And Associated Components
    GM349261Courtesy of GENERAL MOTORS COMPANY
  1. Install the check valve.
  2. Install the vacuum lines to the check valve (4).
About FixVault