Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS1999RX 300 AWD V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORSERVICE AND REPAIR
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)
Vehicle Speed Sensor: Service and Repair
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)SECTION Service and Repair
ON-VEHICLE REPAIR
1. REMOVE BATTERY
2. REMOVE AIR CLEANER ASSEMBLY
3. DISCONNECT INPUT TURBINE SPEED SENSOR CONNECTOR
4. REMOVE INPUT TURBINE SPEED SENSOR
a. Remove the bolt and input turbine speed sensor.
b. Remove the O-ring from the input turbine speed sensor.
5. INSTALL INPUT TURBINE SPEED SENSOR
a. Coat a new O-ring with ATF and install it to the input turbine speed sensor.
b. Install the input turbine speed sensor with the bolt.
Torque: 11 Nm (115 kgf cm, 8 ft. lbs.)
6. CONNECT INPUT TURBINE SPEED SENSOR CONNECTOR
7. DISCONNECT COUNTER GEAR SPEED SENSOR CONNECTOR
8. REMOVE COUNTER GEAR SPEED SENSOR
a. Remove the bolt and counter gear speed sensor.
b. Remove the O-ring from the counter gear speed sensor.
9. INSTALL COUNTER GEAR SPEED SENSOR
a. Coat a new O-ring with ATF and install it to the counter gear speed sensor.
b. Install the counter gear speed sensor with the bolt.
Torque: 11 Nm (115 kgf cm, 8 ft. lbs.)
10. CONNECT COUNTER GEAR SPEED SENSOR CONNECTOR
11. INSTALL AIR CLEANER ASSEMBLY
12. INSTALL BATTERY
1. REMOVE BATTERY
2. REMOVE AIR CLEANER ASSEMBLY
3. DISCONNECT INPUT TURBINE SPEED SENSOR CONNECTOR
4. REMOVE INPUT TURBINE SPEED SENSOR
a. Remove the bolt and input turbine speed sensor.
b. Remove the O-ring from the input turbine speed sensor.
5. INSTALL INPUT TURBINE SPEED SENSOR
a. Coat a new O-ring with ATF and install it to the input turbine speed sensor.
b. Install the input turbine speed sensor with the bolt.
Torque: 11 Nm (115 kgf cm, 8 ft. lbs.)
6. CONNECT INPUT TURBINE SPEED SENSOR CONNECTOR
7. DISCONNECT COUNTER GEAR SPEED SENSOR CONNECTOR
8. REMOVE COUNTER GEAR SPEED SENSOR
a. Remove the bolt and counter gear speed sensor.
b. Remove the O-ring from the counter gear speed sensor.
9. INSTALL COUNTER GEAR SPEED SENSOR
a. Coat a new O-ring with ATF and install it to the counter gear speed sensor.
b. Install the counter gear speed sensor with the bolt.
Torque: 11 Nm (115 kgf cm, 8 ft. lbs.)
10. CONNECT COUNTER GEAR SPEED SENSOR CONNECTOR
11. INSTALL AIR CLEANER ASSEMBLY
12. INSTALL BATTERY
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.