GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement.
  2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.

  3. Object Number: 2027500  Size: SH
  4. Disconnect the fuel pressure sensor wiring harness plug (1) from the fuel rail.
  5. Disconnect the intake air temperature sensor wiring harness plug (3).
  6. Unclip the wiring harness channel (4) from the 2 brackets (2).

  7. Object Number: 2027502  Size: SH
  8. Remove the intake air temperature sensor bolt (2).
  9. Remove the intake air temperature sensor (1) from the intake manifold (3).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2027502  Size: SH
  1. Install the intake air temperature sensor bolt (2) and tighten to  8 N·m (71 lb in).
  2. Install the intake air temperature sensor (1) at the intake manifold (3).

  3. Object Number: 2027500  Size: SH
  4. Clip the wiring harness channel (4) at the 2 brackets (2).
  5. Connect the intake air temperature sensor wiring harness plug (3).
  6. Connect the fuel pressure sensor wiring harness plug (1) at the fuel rail.
  7. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  8. Install the engine cover. Refer to Engine Cover Replacement.