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Disassembly (Throttle Body Cover Model 220)

  1. Place throttle body on Holding Fixture (J-9789-118 or BT 30-15) to prevent damage to throttle valve. Remove cover-to-throttle body screws; note location of 2 short screws.
  2. Remove throttle body cover. See Figure . Throttle body cover and pressure regulator are serviced as an assembly. DO NOT  remove pressure regulator-to-cover screws. Remove TPS and IAC assembly. Throttle valve screws are staked in position and should not be removed.
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