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HOMESERVICE MANUALSCHEVROLET2007IMPALA V6-3.9LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLETRANSMISSION TEMPERATURE SENSOR/SWITCHSERVICE AND REPAIR
2007 Chevrolet Impala V6-3.9L

Transmission Temperature Sensor/Switch: Service and Repair

2007 Chevrolet Impala V6-3.9LSECTION Service and Repair


Fluid Temperature Sensor Replacement

Removal Procedure

1. Remove the case side cover.




2. Disconnect the wiring harness assembly from the fluid temperature sensor (391).
3. Remove the fluid temperature sensor (391).

Installation Procedure

1. Install the fluid temperature sensor (391).




2. Connect the wiring harness assembly to the with fluid temperature sensor (391).
3. Install the case side cover.

Important: It is recommended that transmission adaptive pressure (TAP) information be reset. Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.

4. Reset the TAP values. Refer to Transmission Adaptive Functions.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.