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Home >> Lexus >> 2007 >> GS 350 RWD >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Engine Exhaust Assembly >> Exhaust Pipe >> Removal

Exhaust Pipe: Removal

CAUTION:
  • Wear protective gloves when removing the exhaust pipe.
  • The exhaust pipe is extremely hot immediately after the engine has stopped.
  • 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 REAR FLOOR NO. 1 PANEL BRACE 
    1. Remove the 4 bolts and panel brace.
    Fig 1: Locating Panel Brace And Bolt
    G05287407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE FRONT FLOOR BRACE CENTER 
    1. Remove the 4 bolts and floor brace.
      Fig 2: Locating Floor Brace And Bolts
      G05287408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FRONT FLOOR COVER CENTER LH (for 4WD) 
  6. DISCONNECT HEATED OXYGEN SENSOR (for Sensor 2) 
    1. Disconnect the sensor from the exhaust pipe (see ON-VEHICLE INSPECTION ).
  7. REMOVE FRONT EXHAUST PIPE ASSEMBLY 
    1. Remove the 4 bolts and 4 nuts.
    2. Disconnect the exhaust pipe front ends from the exhaust manifold and remove the 2 gaskets.
    3. Remove the 2 bolts, 2 compression springs, exhaust pipe and gasket.
    Fig 3: Locating Front Exhaust Pipe To Tail Exhaust Pipe With Compression Springs
    G05287409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY 
    1. Remove the 2 bolts and support bracket.
    Fig 4: Locating Support Bracket And Bolt
    G05287410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE TAILPIPE ASSEMBLY 
    1. Disconnect the 6 exhaust pipe supports to remove the tailpipe.
    Fig 5: Locating Tail Exhaust Pipe
    G05287411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE TAILPIPE BAFFLE SUB-ASSEMBLY 
    1. Using a plastic-faced hammer, uniformly tap off the baffle.
    Fig 6: Removing Tail Exhaust Pipe Baffle
    G05287412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002