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Installation Procedure

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    Fig 1: Coolant Air Bleed Hose & Pipe
    GM790766Courtesy of GENERAL MOTORS CORP.
  1. Install the coolant air bleed hose (1) to the pipe (2).
  2. Position the hose clamp at the pipe.
  3. Fig 2: Identifying Coolant Air Bleed Hose At Throttle Body
    GM220621Courtesy of GENERAL MOTORS CORP.
  4. Install the coolant air bleed hose to the throttle body.
  5. Position the coolant air bleed hose clamp at the throttle body.
  6. If necessary, install the engine sight shield. Refer to ENGINE SIGHT SHIELD REPLACEMENT (4.8L, 5.3L, 6.0L (LQ4)) or ENGINE SIGHT SHIELD REPLACEMENT (6.0L (LQ9)) .
  7. Add engine coolant, if necessary.