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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 >> Removal Procedure

Removal 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, Outlet Hose, Inlet Hose And Fasteners
    GM1287603Courtesy of GENERAL MOTORS CORP.
  1. Remove the secondary air injection (AIR) pressure sensor. Refer to Secondary AIR Injection Pressure Sensor Replacement .
  2. Disconnect the air inlet hose (2) from the AIR shut-off valve (3).
  3. Disconnect the air outlet hose (4) from the AIR shut-off valve.
  4. Remove the 2 fasteners (1) from the AIR shut-off valve bracket.
  5. Remove the AIR shut-off valve and bracket from the engine.
    6. Fig 2: AIR Shut-Off Valve And Bolts Removed
    GM1287601Courtesy of GENERAL MOTORS CORP.
  6. Remove the 2 bolts securing the AIR shut-off valve to the bracket and pipe assembly.
  7. Remove the AIR shut-off valve.
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