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Throttle Body Cover

  1. Install new dust seal into recess of throttle body. Install fuel outlet passage gasket on cover. Install throttle body cover gasket on throttle body. Install cover, making sure that pressure regulator dust seal and cover gaskets are in place.
  2. Apply thread locking compound (Loctite 262) to cover attaching screws. Install cover screws and lock washers. Tighten screws. Connect electrical lead to fuel injector and install air cleaner.
Fig 1: Model 220 Throttle Body Injection Assembly
G5387Courtesy of GENERAL MOTORS CORP.