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Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Throttle Body Assembly
    GM742490Courtesy of GENERAL MOTORS CORP.
  1. Remove the resonator assembly. Refer to Air Cleaner Outlet Resonator Replacement .
  2. Remove the evaporative emission (EVAP) canister purge line from the throttle body.
  3. Disconnect the throttle body electrical connector.
  4. Remove the throttle body assembly retaining bolts (1).
  5. Remove the throttle body assembly (2) and the gasket from the intake manifold.
  6. Clean the gasket surface.
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