Exhaust Pipe Removal

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Uz-Fe Exhaust. Lexus Gs430, Gs300. Uzs190 Grs190

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. REMOVE NO. 2 ENGINE UNDER COVER

  3. REMOVE FRONT FLOOR BRACE CENTER

  4. REMOVE REAR NO. 1 FLOOR PANEL BRACE

  5. REMOVE HEATED OXYGEN SENSOR

  6. REMOVE FRONT EXHAUST PIPE ASSEMBLY

  7. REMOVE TAILPIPE ASSEMBLY

  8. REMOVE EXHAUST PIPE NO. 1 SUPPORT BRACKET SUB-ASSEMBLY

  9. REMOVE FRONT TWC

Exhaust Pipe -- Removal


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. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.


2. REMOVE NO. 2 ENGINE UNDER COVER


3. REMOVE FRONT FLOOR BRACE CENTER


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 bolts and floor brace.



4. REMOVE REAR NO. 1 FLOOR PANEL BRACE


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 bolts and panel brace.



5. REMOVE HEATED OXYGEN SENSOR
  1. Remove the 2 sensors from the front exhaust pipe (Click here).



6. REMOVE FRONT EXHAUST PIPE ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Exhaust.Exhaust Pipe.Exhaust Pipe  Removal
  1. Remove the 4 bolts and 4 nuts.

  1. Disconnect the exhaust pipe front ends from the 2 TWCs and remove the 2 gaskets.

  1. Remove the 2 bolts, 2 compression springs, exhaust pipe and gasket.



7. REMOVE TAILPIPE ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Exhaust.Exhaust Pipe.Exhaust Pipe  Removal
  1. Disconnect the 6 exhaust pipe supports to remove the tailpipe.



8. REMOVE EXHAUST PIPE NO. 1 SUPPORT BRACKET SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Exhaust.Exhaust Pipe.Exhaust Pipe  Removal
  1. Remove the 2 bolts and support bracket.



9. REMOVE FRONT TWC


    Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Exhaust.Exhaust Pipe.Exhaust Pipe  Removal
  1. Remove the 6 nuts, 2 TWCs and 2 gaskets.