Removal & Installation (8.1L)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Raise and support vehicle. Drain cooling system. Disconnect knock sensor harness connector(s). See Figure and Fig 1 . Remove knock sensor(s). To install, reverse removal procedure. Tighten knock sensor(s) to specification. See TORQUE SPECIFICATIONS . Fill and bleed cooling system.