GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Aveo 🢒 Transmission 🢒 Automatic Transmission - Aisin 81-40LE 🢒 Transmission Fluid Temperature Sensor Replacement

Removal Procedure

    Note: The Transmission Fluid Temperature (TFT) sensor is incorporated into the wiring harness assembly. The harness and sensor have to be replaced as an assembly.

  1. Drain the transaxle fluid from the transaxle. Refer to Transmission Fluid Draining.

    2. Object Number: 1774660 Size: SH
  2. Remove the oil pan retaining bolts.
  3. Remove the oil pan and gasket.

    4. Object Number: 1774664 Size: SH
  4. Disconnect the wiring harness assembly from the five solenoids.

    5. Object Number: 1774668 Size: SH
  5. Remove the wiring harness retaining bolt, then remove the wiring harness and TFT sensor from the transaxle.

Installation Procedure

    Object Number: 1774675 Size: SH
  1. Coat a new O-ring with ATF and install it on the harness connector.
  2. Install the TFT sensor and wiring harness into the transaxle case.

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

  3. Install the wiring harness retaining bolt and tighten to 6 N·m (53 lb in).

    4. Object Number: 1774664 Size: SH
  4. Connect the wiring harness to the five solenoids.

    5. Object Number: 1774660 Size: SH
  5. Install a new gasket on the oil pan.
  6. Install the oil pan.
  7. Install the oil pan bolts and tighten to 8 N·m (71 lb in).
  8. Fill the transaxle with transmission fluid. Refer to Transmission Fluid Draining.