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.
2003 Lexus ES 300FACTORY OEM SERVICE PROCEDURE
Transmission Wire: Replacement
- REMOVE ENGINE UNDER COVER NO. 2
- DRAIN AUTOMATIC TRANSAXLE FLUID
- Remove the drain plug and gasket, and drain ATF.
- Install a new gasket and drain plug.
- Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)
- REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSY
- Remove the 18 bolts, oil pan and gasket.NOTE: Some fluid will remain in the oil pan. Remove all pan bolts, and carefully remove the oil pan assembly.
- Remove the 18 bolts, oil pan and gasket.
Factory Service Tools
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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.