Lexus IS250 · Service Manual ENGINE

REMOVAL

Removal / installation

CAUTION:
  1. Wear protective gloves when removing the exhaust pipe.
  1. The exhaust pipe is extremely hot immediately after the engine has stopped.
  1. Confirm that the exhaust pipe has cooled down before removing it.


1. REMOVE REAR NO. 1 FLOOR PANEL BRACE

  1. A121036
    Remove the 4 bolts and rear No. 1 floor panel brace.


2. REMOVE FRONT CENTER FLOOR BRACE

  1. C104834
    Remove the 4 bolts and front center floor brace .


3. DISCONNECT HEATED OXYGEN SENSOR

  1. A120539E09
    Remove the grommets of the heated oxygen sensors (BANK 1, BANK 2).

  1. A120540E03
    Using the SST, remove a oxygen sensors (BANK 1, BANK 2).
    SST
    09224-00010  


4. REMOVE FRONT EXHAUST PIPE ASSEMBLY

  1. A127822E01
    Remove the 4 bolts and 4 nuts.

  1. A125008
    Remove the 2 bolts and 2 compression springs from the tail exhaust pipe assembly.

  1. Remove the front exhaust pipe assembly and 3 gaskets.


5. REMOVE TAIL EXHAUST PIPE ASSEMBLY

  1. A125037E02
    Disconnect the 6 exhaust pipe supports to remove the tail exhaust pipe assembly.


6. REMOVE EXHAUST PIPE DAMPER

  1. A100614E04
    Remove the 2 bolts and exhaust pipe damper.


7. REMOVE TAIL EXHAUST PIPE BAFFLE SUB-ASSEMBLY

  1. A100613
    Using a plastic hammer, uniformly tap off the exhaust pipe baffle sub-assemblies.

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