GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Engine Coolant Thermostat Housing Installation

    Object Number: 1871058 Size: SH
  1. Install the NEW thermostat housing assembly O-ring and gasket.

    2. Object Number: 1871057 Size: SH
  2. Install the thermostat housing assembly.

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

  3. Install the thermostat housing assembly bolts.

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


    Object Number: 1665644 Size: SH
  4. Install the NEW heater inlet/outlet pipe assembly O-ring and gasket.

    5. Object Number: 946082 Size: SH
  5. Install the heater inlet/outlet pipe assembly.
  6. Install the heater inlet/outlet pipe assembly bolts.

    7. Tighten
    Tighten the heater inlet/outlet pipe assembly bolt to 10 N·m (89 lb in).