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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Control System & Fuel System - 4.6L - Introduction (2 Of 2)) >> Repair Instructions >> Secondary Air Injection Check Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying AIR Check Valve
    GM1670476Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW AIR check valve to exhaust manifold gasket (4).
  2. Install the AIR check valve.
    3. NOTE: Refer to Fastener Notice .
  3. Install the AIR check valve to exhaust manifold nuts (3).

    Tighten:  Tighten the nuts to 9 N.m (80 lb in).

  4. Install the AIR check valve bolts (1).

    Tighten:  Tighten the bolts to 9 N.m (80 lb in).

    5. Fig 2: View Of AIR Pipe Outlet Pipe
    GM1665399Courtesy of GENERAL MOTORS CORP.
  5. Connect the AIR pipe to the AIR check valve.
    6. Fig 3: Identifying Engine Harness Electrical Connectors
    GM1665457Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine harness electrical connector (4) to the AIR check valve.
  7. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
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