GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Engine Coolant Air Bleed Pipe and Hole Cover Installation

Engine Coolant Air Bleed Pipe and Hole Cover Installation 5.3L


    Object Number: 1552485 Size: SH

    Important: Position the O-ring seal onto the nipple portion of the pipe.

  1. Install the seals (308) onto the engine coolant air bleed pipe and covers.

    2. Object Number: 1401993 Size: SH
  2. Install the pipe (307) and seals (308).

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the bolts (309).

    4. Tighten
    Tighten the bolts to 12 N·m (106 lb in).


    Object Number: 1402001 Size: SH
  4. Install the covers (313) and seals (308).
  5. Install the bolts (312).

    6. Tighten
    Tighten the cover bolts to 12 N·m (106 lb in).

Engine Coolant Air Bleed Pipe and Hole Cover Installation 6.0L


    Object Number: 1552485 Size: SH

    Important: Position the gasket O-ring seal (308) onto the nipple portion of the pipe.

  1. Install the seals (308) onto the engine coolant air bleed pipe and covers.

    2. Object Number: 1403313 Size: SH
  2. Install the pipe (307) and seals (308).

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the bolts (309).

    4. Tighten
    Tighten the bolts to 12 N·m (106 lb in).


    Object Number: 1403314 Size: SH
  4. Install the covers (313) and seals (308).
  5. Install the bolts (312).

    6. Tighten
    Tighten the cover bolts to 12 N·m (106 lb in).