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.
Disassembly (ES300)
1998 Lexus SC 300SECTION Disassembly (ES300)
- Clamp pump in vise. Remove pulley. See Fig 1 and Fig 2. Remove control valve. Remove pressure and suction port fittings and "O" rings. Remove power steering flow control valve, spring, and spring snap ring. Remove cooling fan flow control valve, "O" ring, and spring.
- Remove rear housing. Remove cam ring, rotor, and vane plate for cooling fan. Remove side plates. Remove cam ring, rotor, and vane plate for power steering. Remove pins. Remove snap ring. Using plastic mallet, tap out pump shaft. Remove side plate and wave washer from rear housing.
RENDER: 1.0x
NO RELATED
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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.