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Air Cleaner Resonator Outlet Duct: Installation

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Align the hinge clip with the lip on the throttle body. Install the air cleaner outlet resonator to the throttle body by pivoting the resonator downward until the stud is through the hole in the resonator. Install the air cleaner outlet resonator wing nut.
  2. Install the air cleaner outlet resonator to the MAF/IAT sensor. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor to specification. See TORQUE SPECIFICATIONS .
Fig 1: Locating Mass Airflow Sensor (4.3L)
G00147741Courtesy of GENERAL MOTORS CORP.
Fig 2: Removing/Installing Air Cleaner Outlet Resonator Duct At Throttle Body (4.3L)
G00156236Courtesy of GENERAL MOTORS CORP.


  1. Install the air cleaner resonator outlet duct to the throttle body. Install the air cleaner resonator outlet duct to MAF/IAT sensor.
  2. Install the radiator inlet hose clamp to the air cleaner resonator outlet duct. Tighten the air cleaner resonator outlet duct clamps to specification. See TORQUE SPECIFICATIONS .
Fig 1: Locating Mass Airflow Sensor (4.8L, 5.3L & 6.0L)
G00113343Courtesy of GENERAL MOTORS CORP.


  1. Install the air cleaner resonator outlet duct to the throttle body.
  2. Align the stud on the throttle body with the screw on the clamp and tighten the air cleaner resonator outlet duct clamp at the throttle body to specification. See TORQUE SPECIFICATIONS .
  3. Install the air cleaner resonator outlet duct to the MAF/IAT sensor and tighten the air cleaner resonator outlet duct clamp at the MAF/IAT sensor to specification.
Fig 1: Removing/Installing Air Cleaner Resonator Outlet Duct (8.1L)
G00232217Courtesy of GENERAL MOTORS CORP.
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