GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Joy 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Temperature Sensor Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1223136 Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the lower radiator hose and drain the coolant. Refer to Cooling System Draining and Filling .
  3. Disconnect the coolant temperature sensor electrical connector (1).
  4. Remove the coolant temperature sensor (2).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1223137 Size: SH
  1. Install the coolant temperature sensor into the threaded hole (2) in the intake manifold.

    2. Tighten
    Tighten the coolant temperature sensor to 10 N·m (89 lb in).

  2. Connect the electrical connector to the coolant temperature sensor (1).
  3. Connect the lower radiator hose and refill the coolant. Refer to Cooling System Draining and Filling .
  4. Connect the negative battery cable.