GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 XLR 🢒 Engine 🢒 Engine Controls and Fuel - 4.4L 🢒 Intake Air Temperature (IAT) Sensor 2 Replacement

Removal Procedure

    Object Number: 1645247 Size: SH
  1. Remove the intake manifold sight shield. Refer to Intake Manifold Sight Shield Replacement.
  2. Disconnect the intake air temperature (IAT) sensor 2 electrical connector.

    3. Object Number: 1613989 Size: SH
  3. Remove the IAT sensor 2 (1).

Installation Procedure

    Object Number: 1613989 Size: SH

    Caution: Replacement components must be the correct part number for the application. Components requiring the use of the thread locking compound, lubricants, corrosion inhibitors, or sealants are identified in the service procedure. Some replacement components may come with these coatings already applied. Do not use these coatings on components unless specified. These coatings can affect the final torque, which may affect the operation of the component. Use the correct torque specification when installing components in order to avoid damage.

  1. Coat the sensor threads with sealer. Refer to Adhesives, Fluids, Lubricants, and Sealers.

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

  2. Install the IAT sensor 2 (1) and tighten to 20 N·m (15 lb ft).

    3. Object Number: 1645247 Size: SH
  3. Connect the IAT sensor 2 electrical connector.
  4. Install the intake manifold sight shield. Refer to Intake Manifold Sight Shield Replacement.