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HOMESERVICE MANUALSTOYOTA2012PRIUS THREEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICALENGINE MECHANICAL (EXCEPT PLUG-IN) (SERVICE INFORMATION)ENGINE UNITREMOVALREMOVAL
2012 Toyota Prius Three

Engine Unit: Removal: Removal

2012 Toyota Prius ThreeSECTION Removal
  1. INSTALL ENGINE ON ENGINE STAND 
    1. Install the engine onto an engine stand with the bolts.
  2. REMOVE ENGINE HANGERS 
    1. Remove the 2 bolts and 2 engine hangers.
  3. REMOVE THROTTLE BODY ASSEMBLY  . Refer to REMOVAL - Step 8
  4. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. Remove the engine oil level dipstick.
      Fig 1: Identifying Bolts, Clamp And Engine Oil Level Dipstick Guide
      GTY223965Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts, clamp and engine oil level dipstick guide.
    3. Remove the O-ring from the engine oil level dipstick guide.
  5. REMOVE EGR PIPE ASSEMBLY  . Refer to REMOVAL - Step 9
  6. REMOVE EGR VALVE ASSEMBLY  . Refer to REMOVAL - Step 10
  7. REMOVE EGR WITH COOLER PIPE SUB-ASSEMBLY  . Refer to REMOVAL - Step 10
  8. REMOVE INTAKE MANIFOLD  . Refer to REMOVAL - Step 5
  9. REMOVE FUEL VAPOR FEED PIPE 
    1. Remove the bolt and fuel vapor feed pipe.
      Fig 2: Identifying Fuel Vapor Feed Pipe And Bolt
      GTY214231Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY  . Refer to REMOVAL - Step 9
  11. REMOVE NO. 1 DELIVERY PIPE SPACER  . Refer to REMOVAL - Step 10
  12. REMOVE FUEL INJECTOR ASSEMBLY  . Refer to REMOVAL - Step 11
  13. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR  . Refer to REMOVAL - Step 9
  14. REMOVE MANIFOLD STAY  . Refer to REMOVAL - Step 11
  15. REMOVE EXHAUST MANIFOLD  . Refer to REMOVAL - Step 12
  16. REMOVE VENTILATION HOSE 
    1. Remove the ventilation hose from the ventilation valve.
      Fig 3: Identifying Ventilation Hose And Valve
      GTY342651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE IGNITION COIL ASSEMBLY  . Refer to REMOVAL - Step 5
RENDER: 1.0x

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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.