Transmission Temperature Sensor/Switch: Service and Repair

Replacing oil temperature sensor

Removal

Preparations




Remove:
- The battery
- The air cleaner (ACL) housing assembly, see Replacing the air cleaner (ACL) Replacing Air Cleaner (ACL).
- The battery shelf

Removing the cable harness




Remove:
- The transmission cable from the lever
- The lever
- The nut, the locking washer and the rubber washer for the gear shift linkage rod
- The dip stick pipe. Lift up the pipe and turn it to one side.
- The mounting screws for the gear-shift position sensor (two)
Carefully lift the sensor from the gear shift linkage rod.

Caution! If the metal tongue on the gear-shift position sensor gets stuck on the transmission cable bracket: Remove the gear selector bracket. Put the bracket to one side.

Removing the cable harness




Cut / slacken off the cable harness tie straps.
Remove the bracket for the connector.
Separate the connectors (gray).
Remove the cable harness for the oil temperature sensor.

Removing the sensor




- Raise the car
- Clean thoroughly around the sensor
- Remove the sensor and the O-ring.

Installing, adjusting and checking

Installing the sensor




Install the new sensor. Use a new O-ring.
Apply automatic transmission fluid to the O-ring.
Torque: 25 Nm.
Ensure that the cable harness is correctly positioned.
Connect the cable harness connectors (gray).
Secure the cable harness with the tie straps.
Install the bracket for the connectors. Torque: 10 Nm.

Installing the gear-shift position sensor




Ensure that the holder / spacer for the solenoid cable harness is in position.
Install:
- The sensor. Finger tighten the mounting screws.
- The rubber washer, the lock washer and the nut for the gear shift linkage rod.
Torque: 25 Nm.
Lock the nut with the washer.

Adjusting and checking
Adjust the gear-shift position sensor according to Checking and adjusting the gear-shift position sensor, AW50-42 Adjustments.

Installation




Install:
- The bracket for the dip stick pipe. Ensure that the O-ring is in position. Tighten the nut
Torque: 25 Nm
- The lever on the gear shift linkage rod.
Torque: 16 Nm
- The transmission cable on the lever with a washer and retaining clip. Apply a small amount of grease (P/N 1161241- 3) to the lever shaft journal.
If the transmission cable bracket was removed:
Install the bracket. Adjust the transmission cable according to Adjusting the transmission cable Adjusting The Transmission Cable.

Installing engine compartment components




Install:
- The battery shelf
- The air cleaner (ACL) housing assembly, see Replacing the air cleaner (ACL) Replacing Air Cleaner (ACL).
- The battery

Checking diagnostic trouble codes (DTCs)
Check and erase any diagnostic trouble codes (DTCs).
Check the positions of the gear-shift position sensor. If it is not possible to use VCT 2000 as a handheld test tool, use the Volvo Scan Tool (ST) as the test instrument instead. To connect the Volvo Scan Tool (ST), see Connecting the Volvo Scan Tool (ST) Connecting The Volvo Scan Tool (St).