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HOMESERVICE MANUALSTOYOTA20054RUNNER SR5, 4.7 T, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEMTHROTTLE W/MOTOR BODY ASSY (1GR-FE)REPLACEMENT
2005 Toyota 4Runner SR5, 4.7 T, RWD

Throttle W/Motor Body ASSY (1GR-FE): Replacement

2005 Toyota 4Runner SR5, 4.7 T, RWDSECTION Replacement
  1. DRAIN ENGINE  COOLANT (1GR-FE) 
  2. REMOVE V-BANK COVER 
    1. Remove the 2 nuts and V-bank cover.
    Fig 1: Removing V-Bank Cover
    G02578052Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DISCONNECT VENTILATION HOSE NO. 2 
    Fig 2: Disconnecting Ventilation Hose No. 2
    G02578053Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AIR CLEANER ASSY 
    1. Disconnect the vacuum hose.
      Fig 3: Disconnecting Vacuum Hose
      G02578054Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the mass air flow meter connector.
    3. Remove the 2 wire harness clamps.
    4. Loosen the 2 hose clamps.
    5. Remove the 2 bolts and air cleaner
    Fig 4: Removing Air Cleaner
    G02578055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. DISCONNECT WATER BY-PASS HOSE NO. 5 
    Fig 5: Disconnecting Water By-Pass Hose No. 5
    G02578056Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DISCONNECT WATER BY-PASS HOSE NO. 4 
    Fig 6: Disconnecting Water By-Pass Hose No. 4
    G02578057Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE THROTTLE W/MOTOR BODY ASSY 
    1. Disconnect the throttle motor connector.
    2. Remove the 4 bolts, throttle w/ motor body and gasket.
    Fig 7: Removing Throttle W/Motor Body Assy
    G02578058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL THROTTLE W/MOTOR BODY ASSY 
    1. Install a new gasket and the throttle w/ motor body with the 4 bolts.

      Torque: 11 N.m (112 kgf.cm, 9 ft.lbf) 

    2. Connect the throttle motor connector.
  9. CONNECT WATER BY-PASS HOSE NO. 4 
  10. CONNECT WATER BY-PASS HOSE NO. 5 
  11. INSTALL AIR CLEANER ASSY 
    1. Install the air cleaner with the 2 bolts.

      Torque: 8.0 N.m (82 kgf.cm, 71 in.lbf) 

  12. CONNECT VENTILATION HOSE NO. 2 
  13. INSTALL V-BANK COVER 
    1. Install the V-bank cover with the 2 nuts.

      Torque: 7.5 N.m (76 kgf.cm, 66 in. lbf) 

  14. ADD ENGINE  COOLANT (1GR-FE) 
  15. CHECK FOR ENGINE COOLANT LEAKS (See  COOLING SYSTEM (1GR-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.