GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 DTS 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Heater Replacement - Right Side

Removal Procedure

    Object Number: 1667236 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the coolant heater cord electrical connector (2) from the coolant heater electrical connector (1).

    3. Object Number: 1667234 Size: SH
  3. Remove the coolant heater bolt.
  4. Remove the coolant heater.

Installation Procedure

    Object Number: 1667234 Size: SH
  1. Position the coolant heater to the engine block.

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

  2. Install the coolant heater bolt.

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


    Object Number: 1667236 Size: SH
  3. Connect the coolant heater cord electrical connector (2) to the coolant heater electrical connector (1).
  4. Lower the vehicle.