Impala V6-3.8L VIN K (2004)
Fluid Pressure Sensor/Switch: Service and Repair
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Replacement
Removal Procedure
1. Remove the case side cover.
2. Disconnect the transaxle wiring harness.
3. Remove the control valve body bolts (375, 379, 381) that mount the fluid pressure manual valve position switch to the control valve body (300).
Important: When removing the TFP switch handle the switch carefully, the fluid pressure manual valve position switch is very delicate.
4. Carefully remove the fluid pressure manual valve position switch (395)
5. Inspect the fluid pressure manual valve position switch (395) for the following conditions
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Damaged electrical connector terminals
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Damaged seals
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Damaged switch membranes
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Debris on the switch membranes
Installation Procedure
Important: When installing the TFP switch handle the switch carefully, the fluid pressure manual valve position switch is very delicate.
1. Carefully install the fluid pressure manual valve position switch (395).
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the control valve body bolts (375, 379, 381) that mount the TFP switch to the control valve body (300).
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Tighten the control valve body bolt (375) to 12 Nm (106 inch lbs.).
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Tighten the control valve body bolt (379) to 16 Nm (106 inch lbs.).
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Tighten the control valve body bolt (381) to 8 Nm (70 inch lbs.).
3. Connect the transaxle wiring harness.
