Exhaust Pipe Installation

Engine. Lexus Is250, Is220D. Gse20 Ale20
2Ad-Fhv Exhaust. Lexus Is250, Is220D. Gse20 Ale20

  1. INSTALL TAIL EXHAUST PIPE ASSEMBLY

  2. INSTALL FRONT EXHAUST PIPE ASSEMBLY

  3. INSTALL AIR FUEL RATIO SENSOR

  4. INSTALL FRONT CENTER FLOOR BRACE

  5. INSTALL REAR NO. 1 FLOOR PANEL BRACE

  6. INSTALL FLOOR UNDER COVER

  7. CHECK FOR EXHAUST GAS LEAKS

Exhaust Pipe -- Installation



1. INSTALL TAIL EXHAUST PIPE ASSEMBLY
  1. Install the tail exhaust pipe assembly with the 4 exhaust pipe supports.



2. INSTALL FRONT EXHAUST PIPE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using vernier calipers, measure the free length of the compression springs.

    Minimum length:
    38.5 mm (1.516 in.)
    If the free length is less than the minimum, replace the compression spring.


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Exhaust.Exhaust Pipe.Exhaust Pipe  Installation
  1. Fully insert 2 new gaskets to the exhaust manifold converter and front exhaust pipe assembly by hand.

    NOTICE:
    1. Be careful with the installation direction of the gasket.
    2. Do not reuse the gasket.
    3. Do not damage the gasket.
    4. To ensure a proper seal, do not use the tail exhaust pipe to force the gasket onto the front exhaust pipe.
      HINT:
      Using a plastic hammer, uniformly strike the gasket so that the gasket and front exhaust pipe are properly fit.
  1. Install the front exhaust pipe assembly.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Exhaust.Exhaust Pipe.Exhaust Pipe  Installation
  1. Install the 2 bolts and 2 compression springs.

    Torque:
    43 N*m{439 kgf*cm, 32 ft.*lbf}
    NOTICE:
    After installation, check that the clearance is almost the same at any point between the flanges of the tail exhaust pipe assembly and front exhaust pipe assembly.


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Exhaust.Exhaust Pipe.Exhaust Pipe  Installation
  1. Install the 2 bolts and 2 compression springs.

    Torque:
    43 N*m{439 kgf*cm, 32 ft.*lbf}
    NOTICE:
    After installation, check that the clearance is almost the same at any point between the flanges of the exhaust manifold converter and front exhaust pipe assembly.


3. INSTALL AIR FUEL RATIO SENSOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Before installing the air fuel ratio sensor, twist the sensor wire counterclockwise 4 turns.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Exhaust.Exhaust Pipe.Exhaust Pipe  Installation
  1. Using SST, install the air fuel ratio sensor to the front exhaust pipe.

    SST
    09224-00010
    Torque:
    44 N*m{449 kgf*cm, 33 ft.*lbf}


4. INSTALL FRONT CENTER FLOOR BRACE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the front center floor brace with the 4 bolts.

    Torque:
    7.4 N*m{75 kgf*cm, 65 in.*lbf}


5. INSTALL REAR NO. 1 FLOOR PANEL BRACE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the rear No. 1 floor panel brace with the 4 bolts.

    Torque:
    19 N*m{195 kgf*cm, 14 ft.*lbf}


6. INSTALL FLOOR UNDER COVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the No. 1 floor under cover and No. 2 floor under cover.



7. CHECK FOR EXHAUST GAS LEAKS
If exhaust gas is leaking, tighten the related parts to stop the leak. Replace damaged parts as necessary.