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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 637 (ENGINE CONTROL SYSTEM (SFI) (2AZ-FE))THROTTLE BODY ASSEMBLY (2AZ-FE)(FROM JULY, 2003)REPLACEMENT
2004 Toyota Matrix XR, FWD, Standard

Throttle Body Assembly (2AZ-FE)(From July, 2003): Replacement

2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. DRAIN ENGINE COOLANT (See  COOLANT (2AZ-FE)(FROM JULY, 2003)  ) 
  2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
  3. REMOVE THROTTLE BODY ASSY 
    1. Disconnect the throttle control motor & throttle position sensor connector.
    2. Disconnect the vacuum hose from the throttle body.
    3. Disconnect the 2 water bypass hoses.
    4. Remove the 4 bolts, fuel pipe support and throttle body.
    5. Remove the gasket.
      Fig 1: Removing Fuel Pipe Support & Throttle Body
      G02892146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL THROTTLE BODY ASSY 
    1. Install a new gasket on the intake manifold, as shown.
      Fig 2: Installing New Gasket On Intake Manifold
      G02892147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle body and fuel pipe support with the 4 bolts.

      Torque: 30 N.m (305 kgf.cm, 22 ft.lbf) 

    3. Connect the 2 water bypass hoses to the throttle body.
    4. Connect the throttle control motor & throttle position sensor connector.
    5. Connect the vacuum hose to the throttle body.
      Fig 3: Installing Throttle Body & Fuel Pipe Support
      G02892148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 
  6. ADD ENGINE COOLANT (See  COOLANT (2AZ-FE)(FROM JULY, 2003)  ) 
  7. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION  ) 
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.