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Home >> Isuzu >> 2004 >> Ascender S, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) - 4.2L >> Repair Instructions >> Throttle Body Assembly Replacement >> Removal Procedure

Removal Procedure

  1. Remove the resonator assembly. Refer toAir Cleaner Outlet Resonator Replacement .
  2. Remove the evaporative emission (EVAP) canister purge line from the throttle body.
    3. Fig 1: View Of Throttle Body Assembly
    GM742490Courtesy of GENERAL MOTORS CORP.
  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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