GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Fluid Temperature Sensor Replacement

Removal Procedure
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .

    2. Object Number: 10503 Size: SH
  2. Disconnect the wiring harness assembly (224) from the electrical connector (35) in the case.

    3. Object Number: 10505 Size: SH
  3. Disconnect the wiring harness assembly (224) from the following components:
    4. • The 1-2 shift solenoid (315)
    • The 2-3 shift solenoid (315)
    • The torque converter clutch solenoid (315)
    • The torque converter clutch PWM solenoid (325)
    • The wiring harness clip
  4. Remove the wiring harness assembly with fluid temperature sensor.

    5. Object Number: 13009 Size: SH
  5. Inspect the wiring harness assembly (224) for the following:
    6. • Cut or pinched wires
    • Cut wire insulation
    • Bent or broken electrical connectors

Installation Procedure
  1. Install the wiring harness assembly with fluid temperature sensor.

    2. Object Number: 10505 Size: SH
  2. Connect the wiring harness assembly (224) to the following components:
    3. • The 1-2 shift solenoid (315)
    • The 2-3 shift solenoid (315)
    • The torque converter clutch solenoid (315)
    • The torque converter clutch PWM solenoid (325)
    • The wiring harness clip

    Object Number: 10503 Size: SH
  3. Connect the wiring harness assembly (224) to the electrical connector (35) in the case.
  4. Install the case side cover. Refer to Control Valve Body Cover Replacement .