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.
Intake Air Control Valve ASSY No.3 (3MZ-FE): Replacement
2005 Lexus ES 330SECTION Replacement
- DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
- REMOVE RADIATOR LOWER AIR DEFLECTOR (See REPLACEMENT )
- REMOVE AIR CLEANER INLET ASSY (See REPLACEMENT )
- REMOVE AIR CLEANER CAP SUB-ASSY
- Disconnect the mass air flow meter connector.
- Disconnect the 4 vacuum hoses.
- Loosen the hose clamp bolt.
- Loosen the 2 bolts, then remove the air cleaner cap.
- Remove the air cleaner filter element.
- REMOVE INTAKE AIR CONTROL VALVE ASSY NO.3
- Disconnect the VSV connector.
- Disconnect the vacuum hose.
- Unfasten the 2 claws, then remove the intake air control valve No. 3.
- INSTALL INTAKE AIR CONTROL VALVE ASSY NO.3
- INSTALL AIR CLEANER CAP SUB-ASSY
- Torque: 5.0 N.m (51 kgf.cm, 44 in..lbf)
- INSTALL AIR CLEANER INLET ASSY (See REPLACEMENT )
- CHECK CONNECTION OF VACUUM HOSE (See REPLACEMENT )
- INSTALL RADIATOR LOWER AIR DEFLECTOR
- CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
- Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf)
- SYSTEM INITIALIZATION (See CHARGING SYSTEM (3MZ-FE) )
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.