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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1670 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L - Repair Instructions - Off Vehicle (2 Of 3)) >> Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection

Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Coolant Air Bleed Pipe Seal
    GM1552485Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not use the engine coolant air bleed pipe and cover seals again. Upon installation of the pipe and covers, install NEW seals.
  1. Remove the seals (308) from the pipe and covers.
    2. Fig 2: Identifying Coolant Air Bleed Pipe Components
    GM1658230Courtesy of GENERAL MOTORS CORP.
  2. Clean the pipe and covers in solvent.
    3. WARNING: Refer to Safety Glasses and Compressed Air Warning .
  3. Dry the pipe and covers with compressed air.
  4. Inspect the pipe and covers for restrictions within the pipe (1) or damaged sealing surfaces (2, 3).
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