GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Uplander Ext. 🢒 Engine 🢒 Engine Mechanical - 3.9L 🢒 Engine Coolant Crossover Pipe Installation

    Object Number: 1645457 Size: SH
  1. Install the coolant crossover pipe gaskets and the coolant crossover pipe assembly onto the engine.

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

  2. Install the engine lift bracket (1) and the front coolant crossover pipe bolts (4).

    3. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  3. Install the side coolant crossover pipe bolt (2).

    4. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  4. Install the thermal bypass hose (3) and securely fasten the hose clamp.

    5. Object Number: 1608911 Size: SH
  5. Install the idler pulleys and bolts.

    6. Tighten

        • Tighten the bolts (1) to 50 N·m (37 lb ft).
        • Tighten the bolt (2) to 30 N·m (22 lb ft).