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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 751 (INTAKE AIR CONTROL SYSTEM)INTAKE AIR CONTROL VALVE ASSY NO. 3 (3MZ-FE)REPLACEMENT
2004 Toyota Matrix XR, FWD, Standard

Intake Air Control Valve ASSY No. 3 (3MZ-FE): Replacement

2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL) 
  2. REMOVE RADIATOR LOWER AIR DEFLECTOR 
  3. REMOVE AIR CLEANER INLET ASSY 
  4. REMOVE AIR CLEANER CAP SUB-ASSY 
    1. Disconnect the mass air flow meter connector.
    2. Disconnect the 4 vacuum hoses.
    3. Loosen the hose clamp bolt.
    4. Loosen the 2 bolts, then remove the air cleaner cap.
    5. Remove the air cleaner filter element.
      Fig 1: Removing Air Cleaner CAP Sub-Assy
      G00898452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE INTAKE AIR CONTROL VALVE ASSY NO. 3 
    1. Disconnect the VSV connector.
    2. Disconnect the vacuum hose.
    3. Unfasten the 2 claws, then remove the intake air control valve No. 3.
      Fig 2: Removing Intake Air Control Valve Assy No. 3
      G00898453Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL INTAKE AIR CONTROL VALVE ASSY NO. 3 
  7. INSTALL AIR CLEANER CAP SUB-ASSY 

    Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf) 

  8. INSTALL AIR CLEANER INLET ASSY 
  9. CHECK CONNECTION OF VACUUM HOSE 
  10. INSTALL RADIATOR LOWER AIR DEFLECTOR 
  11. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL) 

    Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf) 

  12. SYSTEM INITIALIZATION (See  PRECAUTION  ) 
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.