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Home >> Acura >> 2008 >> MDX V6-3.7L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Transmission Speed Sensor >> Service and Repair
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Transmission Speed Sensor: Service and Repair

Input Shaft (Mainshaft) Speed Sensor Replacement
1. Raise the vehicle up on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
2. Remove the transmission undercover (A) and splash shield (B).





3. Remove the damper from the front subframe.





4. Disconnect the input shaft (mainshaft) speed sensor connector, and remove the input shaft (mainshaft) speed sensor (A).





5. Install the new O-ring (B) on the new input shaft (mainshaft) speed sensor, then install the input shaft (mainshaft) speed sensor.
6. Check the connector for rust, dirt, or oil, then connect it securely.
7. Install the damper on the front subframe.
8. Install the splash shield and transmission undercover.

Output Shaft (Countershaft) Speed Sensor Replacement
1. Raise the vehicle up on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
2. Remove the transmission undercover (A) and splash shield (B).





3. Remove the damper from the front subframe.





4. Disconnect the output shaft (countershaft) speed sensor connector, and remove the output shaft (countershaft) speed sensor (A) and sensor washer (B).





5. Install the new O-ring (C) on the new output shaft (countershaft) speed sensor (B), then install the output shaft (countershaft) speed sensor and sensor washer.
6. Check the connector for rust, dirt, or oil, then connect it securely.
7. Install the damper on the front subframe.
8. Install the splash shield and transmission undercover.
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