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.
2000 Lexus SC 300FACTORY OEM SERVICE PROCEDURE
Valve Body Assembly: Notes
CAUTION:
All valve body components must be installed in original location. Lay all components in sequence during removal for reassembly reference. Note diameter and check ball location. Throttle pressure is changed according to number of adjusting rings. When assembling valve body, install same number of adjusting rings as removed. Some valve bodies do not have adjusting rings.
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.