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Removal & Installation (5.7L)

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel rail assembly. See FUEL RAIL & INJECTORS  under FUEL SYSTEMS. If the vehicle is equipped with a manual transmission, go to next step. On models with an automatic transmission, raise and support the vehicle. Remove the transmission fluid level tube bolt. Lower the vehicle.
  2. Remove the Positive Crankcase Ventilation (PCV) heat exchange cable nut. See Fig 1 . Disconnect the PCV hose from the intake manifold and from the right bank port. Remove the PCV valve pipe from the left valve cover. Release the PCV hose assembly from the mounting brackets. Move the PCV hose assembly aside.
  3. Disconnect the MAP sensor electrical connector. See Fig 2 . Twist the MAP sensor forward in order to release the sensor from the retainer. Pull the sensor upward to remove. To install, reverse removal procedure.
Fig 1: Removing PCV Hose Assembly (5.7L)
G00112758Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating CMP, Engine Oil Pressure & MAP Sensors (5.7L)
G98A63198Courtesy of GENERAL MOTORS CORP.
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