How to Replace a Lexus RX 300 Starter

by John Rose

Though the Lexus RX300 has a reputation for reliability, it is likely that within the life of the car something will go wrong with the starter. This repair is not hard to complete, but it involves more work than you might be accustomed to when replacing a starter. Still, the entire project should only take about two hours.

Remove the battery from the car using a wrench to loosen the nuts on the terminals. Loosen the bolts on the battery tray with a wrench and remove the tray.

Remove the cover from the cruise control actuator by lifting it off. This is located next to the battery tray location. Remove the three bolts from the actuator using a wrench, and pull the actuator off the car.

Disconnect the black automatic transmission shift control cable from the transmission. The cable hooks into the transmission.

Remove the nuts holding the wires onto the starter with a wrench. Use the wrench to also remove the two bolts that hold the automatic transmission shift control cable clamp to the starter.

Remove the bolts from the starter using a socket and ratchet.

Put the new starter in place and bolt it down with the socket and ratchet.

Reattach the automatic transmission control cable clamp by tightening the bolts with a wrench. Reconnect the electrical wires and tighten the nuts using a wrench.

Reconnect the automatic transmission shift control cable to the transmission. Reinstall the cruise control actuator and tighten the bolts with a wrench.

Replace the cover on the cruise control actuator by snapping it into place. Reinstall the battery tray and tighten the bolts with a wrench.

Place the battery back in the car and reconnect it. Tighten the nuts with a wrench. Start the vehicle to test the installation of the starter.


  • check Disconnect the negative terminal from the battery first.


  • close Never engage the starter for more than 30 seconds at a time, or it will overheat and become damaged.

Items you will need

About the Author

John Rose has been writing professionally since 1981. Now contributing to various online publications, he specializes in auto repair, home maintenance and similar topics. Rose studied English at Frostburg State University.

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