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Removal & Installation (4.8L, 5.3L & 6.0L)

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Loosen retaining bolt on intake manifold sight shield at top of engine. See Fig 1. Remove intake manifold sight shield from top of engine. Remove intake manifold sight shield retainer bolts. Unclip accelerator cable from intake manifold sight shield retainer. Remove intake manifold sight shield retainer.
  2. Disconnect Manifold Absolute Pressure (MAP) sensor harness connector. See Figure. Remove MAP sensor from intake manifold. To install, coat MAP sensor seal with clean engine oil. Replace MAP sensor seal as necessary.
  3. To complete installation, reverse removal procedure. Tighten fasteners to specification. See TORQUE SPECIFICATIONS .
Fig 1: Removing/Installing Intake Manifold Sight Shield & Retainer (4.8L, 5.3L & 6.0L)
G00156233Courtesy of GENERAL MOTORS CORP.