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.
2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Valve Body Assembly: Removal
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
- DRAIN AUTOMATIC TRANSMISSION FLUID
- Remove the drain plug and gasket, and drain the ATF.
- Install a new gasket and the drain plug.
Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf)
- REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY
- Remove the 4 bolts, 2 nuts and bracket.
- REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY NOTE: Some fluid will remain in the oil pan.
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.