Q:

How do you replace a transmission pressure sensor?

A:

Quick Answer

The most important step in replacing a transmission pressure sensor is to identify it correctly. The tools required for the task include a wrench set, a socket set, a transmission gasket, transmission fluid and an oil pan.

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Full Answer

A transmission pressure sensor is a duty cycle-controlled component that manages the pressure of the transmission fluid. To replace it, first disconnect the battery, removing the negative terminal first and then the positive using the socket and wrench set. Remove the dipstick from the transmission, and place the oil pan below the transmission. Unfasten the fluid plug at the base of the transmission to drain the oil into the oil pan.

Unscrew the bolts that hold the vehicle oil pan to the transmission to remove it. Place the bolts in the pan itself. Remove the gasket from the rim of the transmission. Unfasten the screws on the fix-plate to remove the plate. Identify the transmission pressure sensor by referring to the transmission component diagram in the manual.

Disconnect the wires from the pressure sensor. Unthread the screws that hold the sensor to the fix-plate, and separate the sensor. Fasten in the new replacement transmission pressure sensor, and connect the two earlier disconnected wires appropriately. Run the transmission fluid on the gasket, and place it around the rim of the transmission.

Screw in the bolts of the oil pan to hold it in place. Finally, refill the transmission with the proper amount of fluid.

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