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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1348 (Engine Control System (Introduction) -- 1.8L (LNK)) >> Repair Instructions >> Secondary Air Injection (AIR) Shut-Off Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: AIR Shut-Off Valve Components
    GM1287602Courtesy of GENERAL MOTORS CORP.
  1. Install the AIR shut-off valve (3) and gasket (4) to the bracket and pipe assembly (5).
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Secure the 3 parts with the 2 bolts.

    Tighten:  Tighten the 2 fasteners to 8 N.m (71 lb in).

    3. Fig 2: Shut-Off Valve, Outlet Hose, Inlet Hose And Fasteners
    GM1287603Courtesy of GENERAL MOTORS CORP.
  3. Install the AIR shut-off valve and bracket to the engine.
  4. Secure the AIR shut-off valve (3) with the 2 bolts (1).

    Tighten:  Tighten the 2 fasteners to 21 N.m (16 lb ft).

  5. Connect the air inlet hose (2) to the AIR shut-off valve (3).
  6. Connect the air outlet hose (4) to the AIR shut-off valve.
  7. Install the AIR pressure sensor. Refer to Secondary AIR Injection Pressure Sensor Replacement .
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