Corolla 2006-2007

Engine

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Drain the cooling system.
  6.  
  7. Drain the engine oil.
  8.  
  9. Drain the transaxle fluid.
  10.  
  11. Remove or disconnect the following:

    Negative battery cable. On vehicles equipped with an air bag, wait at least 90 seconds before proceeding.
     
    Battery, tray & carrier
     
    Hood
     
    Undercover
     
    Accelerator cable
     
    With automatic transmission, throttle cable from the accelerator cable.
     
    Radiator and cooling fan
     
    Air cleaner assembly
     
    Coolant reservoir tank stay
     
    Electrical connector, the hose, the mounting bolt, and remove the washer tank
     
    Cruise control actuator
     
    The Manifold Absolute Pressure (MAP) sensor vacuum hose from the gas filter on the intake manifold
     
    The brake booster vacuum hose from the intake manifold
     
    With air conditioning: the air conditioning vacuum hose from the actuator
     
    With power steering: the air hose from the air pipe
     
    With air conditioning: the air conditioning actuator connector
     

  12.  
  13. Disconnect the following wires and connectors from the right-hand fender apron as follows:
    1. The ground strap connector.
    2.  
    3. The MAP sensor connector.
    4.  
    5. With air conditioning: the air conditioning pressure switch.
    6.  
    7. The engine wiring harness from the fender apron.
    8.  

  14.  
  15. Remove or disconnect the following:

    Data Link Connector 1 (DLC1) connector and ground strap from the left-hand fender apron.
     
    Engine relay box and 4 connectors.
     
    Charcoal canister
     
    Heater hoses from water inlet housing
     
    Fuel inlet and return hoses
     
    With manual transmission, clutch release cylinder without disconnecting the pipe
     
    Transaxle control cable(s)
     

  16.  
  17. To disconnect the engine wiring harness, disconnect or remove the following components:

    Left-hand and right-hand front door scuff plate
     
    Lower finish panel
     
    Lower panel with the glove compartment
     
    Radio and center cluster finish panel
     
    Rear console box
     
    On manual transmission, shift lever knob
     
    On automatic transmission, shifting hole bezel
     
    Lower center finish panel
     
    Floor carpet bracket
     
    The 3 ECM connectors and cowl wire connector
     

  18.  
  19. Remove or disconnect the remaining components:

    Air conditioning compressor
     
    Front exhaust pipe
     
    Halfshafts
     
    Power steering pump
     
    Engine mounting center member
     
    Through-bolt and nut holding the mounting insulator to the mounting bracket
     
    Engine and transaxle assembly
     
    Front and rear engine mounting bracket
     
    Starter
     
    Separate the transaxle from the engine
     

  20.  

To install:

  1. Install or connect the following:

    Engine to the transaxle
     
    Starter
     
    Rear engine mounting bracket bolts: 57 ft. lbs. (77 Nm).
     
    Front engine mounting bracket. bolts: 57 ft. lbs. (77 Nm).
     
    Engine and transaxle assembly into the vehicle
     
    Engine mounting center member.
     
    Front engine mounting insulator through-bolt and nut. Torque the bolt to 64 ft. lbs. (87 Nm).
     
    Halfshafts
     
    Front exhaust pipe
     
    Power steering pump. Torque the bolts to 29 ft. lbs. (39 Nm).
     
    Drive belt
     
    Air conditioner compressor. Torque the bolts to 18 ft. lbs. (25 Nm).
     
    Drive belt and reconnect the connector.
     

  2.  
  3. To install and connect the engine wiring harness, perform the following:

    Push the wire through the cowl
     
    Connect the 3 ECM connectors
     
    Attach the cowl wire connector
     
    Floor carpet bracket
     
    Center lower finish panel
     
    With automatic transmission, install the shifting hole bezel, with manual transmission, install the shift lever knob
     
    Rear console box
     
    Center cluster finish panel and the radio
     
    Lower panel with the glove compartment door
     
    Right and left-hand door scuff plates
     
    Lower finish panel
     

  4.  
  5. Install or connect the following:

    With manual transmission, clutch release cylinder
     
    Transaxle control cable(s)
     
    Fuel return and inlet hose. Torque the bolt to 22 ft. lbs. (29 Nm).
     
    Heater hoses to the water inlet housing
     
    Charcoal canister
     

  6.  
  7. Connect the following wires and connectors on the left-hand fender apron:

    The 4 connectors to the engine relay box
     
    Engine relay box
     
    The DLC1 connector
     
    The connector on the fender apron
     
    The ground strap on the fender apron
     

  8.  
  9. Install or connect on the right-hand fender apron:

    The ground strap connector
     
    The MAP sensor connector
     
    With air conditioning, the air conditioning pressure switch
     
    The engine wire from the fender apron
     

  10.  
  11. Install or connect the following:

    With A/C, the actuator connector
     
    With power steering, the air hoses to the air pipe
     
    The vacuum hose from the MAP sensor to the gas filter to the intake chamber
     
    The brake booster vacuum hose to the air intake chamber
     
    With A/C, the vacuum hose from the actuator
     
    With cruise control, actuator, actuator cable and cover
     
    Electrical connector and vinyl hose
     
    Washer tank with the bolt
     
    Coolant reservoir tank stay
     
    Air cleaner
     
    Radiator and cooling fan
     
    With automatic transmission, connect the throttle cable.
     
    Accelerator cable
     
    All fluids
     
    Negative battery cable
     
    Undercovers and hood
     

  12.  
  13. Start the vehicle, check for leaks and repair if necessary.
  14.  

 
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