Ignition Coil Installation

Engine. Lexus Is250, Is220D. Gse20 Ale20
4Gr-Fse Ignition. Lexus Is250, Is220D. Gse20 Ale20

  1. INSTALL IGNITION COIL ASSEMBLY

  2. INSTALL INTAKE AIR SURGE TANK ASSEMBLY

  3. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE

  4. INSTALL NO. 2 VENTILATION HOSE

  5. INSTALL ENGINE ROOM SIDE COVER LH

  6. INSTALL ENGINE ROOM SIDE COVER RH

  7. INSTALL COOL AIR INTAKE DUCT SEAL

  8. INSTALL V-BANK COVER SUB-ASSEMBLY

  9. CONNECT BATTERY NEGATIVE TERMINAL

  10. PERFORM INITIALIZATION

Ignition Coil -- Installation



1. INSTALL IGNITION COIL ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20

  1. Install the 6 ignition coils with the 6 bolts.

    Torque:
    10 N*m{102 kgf*cm, 7 ft.*lbf}

  1. Connect the 6 ignition coil connectors.



2. INSTALL INTAKE AIR SURGE TANK ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Ignition.Ignition System.Ignition Coil Installation

  1. Install a new gasket to the intake air surge tank.

  1. Using a 5 mm hexagon socket wrench, install the 6 bolts.

    Torque:
    Bolts except A:
    18 N*m{184 kgf*cm, 13 ft.*lbf}

  1. Install the bolt and 2 nuts to the intake air surge tank.

    Torque:
    Bolt A:
    21 N*m{214 kgf*cm, 15 ft.*lbf}
    Nut:
    16 N*m{163 kgf*cm, 12 ft.*lbf}


    Lexus Is250, Is220D. Gse20 Ale20

  1. Install the surge tank stay to the intake air surge tank.

    Torque:
    21 N*m{214 kgf*cm, 15 ft.*lbf}


    Lexus Is250, Is220D. Gse20 Ale20

  1. Connect the water hose joint with the bolt.

    Torque:
    10 N*m{102 kgf*cm, 7 ft.*lbf}


    Lexus Is250, Is220D. Gse20 Ale20

  1. Connect the ventilation hose to the intake air surge tank.



    Lexus Is250, Is220D. Gse20 Ale20

  1. Connect the wire harness and hose to the intake air surge tank.



    Lexus Is250, Is220D. Gse20 Ale20

  1. Connect the No. 1 vacuum switching valve assembly to the intake air surge tank.

    Torque:
    18 N*m{184 kgf*cm, 13 ft.*lbf}

  1. Connect the vacuum hose to the intake air surge tank.



3. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE


    Lexus Is250, Is220D. Gse20 Ale20

  1. Install the air cleaner cap with air cleaner hose assembly with the 4 clamps and hose clamp.

    HINT:
    Be sure to install the air cleaner assembly so that the screw part of the hose clamp is as shown in the illustration.


    Lexus Is250, Is220D. Gse20 Ale20

  1. Install the VSV hose to the air cleaner hose.



    Lexus Is250, Is220D. Gse20 Ale20

  1. Connect the MAF meter connector and clamp to the air cleaner.



4. INSTALL NO. 2 VENTILATION HOSE


    Lexus Is250, Is220D. Gse20 Ale20

  1. Connect the ventilation hose to the cylinder head cover with the clamp.



5. INSTALL ENGINE ROOM SIDE COVER LH


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Ignition.Ignition System.Ignition Coil Installation

  1. Install the side cover with the 5 clips.



6. INSTALL ENGINE ROOM SIDE COVER RH
HINT:
Install the RH side following the same procedures as for the LH side.


7. INSTALL COOL AIR INTAKE DUCT SEAL


    Lexus Is250, Is220D. Gse20 Ale20

  1. Install the intake duct seal with the 11 clips.



8. INSTALL V-BANK COVER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20

  1. Engage the 2 clips on the front of the cover, and then engage the clip on the rear to install the V-bank cover.

    NOTICE:
    1. Be sure to engage the clips securely.
    2. Do not apply excessive force or do not hit the cover to engage the clips. This may cause the cover to break.


9. CONNECT BATTERY NEGATIVE TERMINAL
Torque:
5.4 N*m{55 kgf*cm, 48 in.*lbf}


10. PERFORM INITIALIZATION

  1. Perform initialization (Click here).

    NOTICE:
    Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.