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.
2007 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE
Front Speed Sensor: Installation
HINT:
- Use the same procedures for the LH side and RH side.
- The procedures listed below are for the LH side.
CAUTION:
When the brake caliper is removed from the brake disc, do not start the hybrid system. If the hybrid system is started, the brake fluid pressure may increase.
- INSTALL FRONT SPEED SENSOR LH
- Wipe off sealant attached to the sensor's fitting surface with non-residue solvent.NOTE: Prevent foreign matter from attaching to the sensor rotor.
- Install a new sensor to the hub and bearing. The sensor connector should be placed in the upper position.
- Using SST and a press, press in the speed sensor to the hub and bearing.NOTE:
- Keep the sensor away from magnets.
- Do not use a hammer on the sensor.
- Check that there is no foreign matter such as iron chips on the sensor's detecting portion.
- Slowly press the sensor straight.
- Wipe off sealant attached to the sensor's fitting surface with non-residue solvent.
Factory Service Tools
Use the Manual With the Right Hardware
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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.