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Removal (4.3L)

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. Remove the air cleaner resonator outlet duct. See AIR CLEANER RESONATOR OUTLET DUCT .
  2. Remove air cleaner outlet duct adapter stud. See Fig 1. Disconnect accelerator control cable from throttle body. Disconnect cruise control cable from throttle body (if equipped).
  3. Remove 2 accelerator control cable routing bracket-to-throttle body retaining nuts. See Figure. Remove accelerator control cable routing bracket with cables attached and position aside.
  4. Remove accelerator control cable bracket-to-throttle body and intake manifold studs/nuts. Remove accelerator control cable bracket with cables attached and position aside.
  5. Disconnect harness connectors from Throttle Position (TP) sensor and Idle Air Control (IAC) valve. See Fig 2. Remove throttle body-to-intake manifold studs. Remove throttle body. See Fig 3. Remove throttle body flange gasket and discard.
Fig 1: Locating Air Cleaner Outlet Duct Adapter Stud(4.3L)
G00143849Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating IAC Valve & TP Sensor Connectors (4.3L)
G00209125Courtesy of GENERAL MOTORS CORP.
Fig 3: Removing/Installing Throttle Body 4.3L)
G00209126Courtesy of GENERAL MOTORS CORP.
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