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Home >> GMC >> 2005 >> Envoy 4.2 S, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L - Introduction >> Repair Instructions >> Throttle Body Assembly Replacement >> Removal Procedure
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Removal Procedure

    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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