Removal & Installation and Disassembly & Reassembly

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
REMOVE HEATED OXYGEN SENSOR (See HEATED OXYGEN SENSOR (3MZ-FE) )
SST 09224-00010
REMOVE FLOOR PANEL BRACE REAR
1. Remove the 2 bolts, then remove the floor panel brace rear.
  
  Fig 1: Removing Floor Panel Brace Rear
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE EXHAUST PIPE ASSY TAIL
1. Remove the 2 nuts.
2. Remove the exhaust pipe tail and gasket from the 3 exhaust pipe supports.
  
  Fig 2: Removing Exhaust Pipe Assy Tail
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE TAIL PIPE BAFFLE
1. Using a plastic-faced hammer, uniformly tap the tail pipe baffle to remove.
  
  Fig 3: Removing Tail Pipe Baffle
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE EXHAUST PIPE ASSY CENTER
1. Remove the 2 bolts and 2 nuts.
2. Remove the exhaust pipe center and gasket from the 2 exhaust pipe supports.
  
  Fig 4: Removing Exhaust Pipe Assy Center
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET FRONT
1. Remove the 2 nuts, then remove the exhaust pipe No. 1 support bracket front.
  
  Fig 5: Removing Exhaust Pipe No. 1 Support Bracket Front
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET REAR
1. Remove the 2 bolts.
2. Remove the exhaust pipe No. 1 support bracket rear from the exhaust pipe front.
  
  Fig 6: Removing Exhaust Pipe No. 1 Support Bracket Rear
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE EXHAUST PIPE ASSY FRONT
1. Remove the 2 bolts and 2 nuts, then remove the exhaust pipe front and 2 gaskets.
  
  Fig 7: Removing Exhaust Pipe Assy Front
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL EXHAUST PIPE ASSY FRONT
1. Install 2 new gaskets and the exhaust pipe front with the 2 bolts.
  Torque: 62 N.m (633 kgf.cm, 46 ft.lbf)
2. Tighten 2 new nuts.
  Torque: 62 N.m (633 kgf.cm, 46 ft.lbf)
INSTALL EXHAUST PIPE NO.1 SUPPORT BRACKET REAR
Torque: 33 N.m (337 kgf.cm, 24 ft.lbf)

HINT:

Be careful not to install the exhaust pipe No. 1 support bracket rear in the wrong direction.

Fig 8: Installing Exhaust Pipe No. 1 Support Bracket Rear
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL EXHAUST PIPE NO.1 SUPPORT BRACKET FRONT
Torque: 33 N.m (337 kgf.cm, 24 ft.lbf)
INSTALL EXHAUST PIPE ASSY CENTER
1. Install a new gasket and the exhaust pipe center to the 2 exhaust pipe supports.
2. Tighten the 2 bolts and 2 new nuts.
  Torque: 56 N.m (574 kgf.cm, 41 ft.lbf)
INSTALL TAIL PIPE BAFFLE
1. Align the keyway of the tail pipe baffle with the key on the exhaust pipe tail.
2. Using a plastic-faced hammer, tap the tail pipe baffle to install.
  
  Fig 9: Installing Tail Pipe Baffle
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL EXHAUST PIPE ASSY TAIL
1. Install a new gasket and the exhaust pipe tail to the 3 exhaust pipe supports.
2. Tighten the 2 new nuts.
  Torque: 56 N.m (574 kgf.cm, 41 ft.lbf)
INSTALL HEATED OXYGEN SENSOR (See HEATED OXYGEN SENSOR (3MZ-FE) )
SST 09224-00010
CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
CHECK FOR EXHAUST GAS LEAKS
INSTALL FLOOR PANEL BRACE REAR
Torque: 20 N.m (199 kgf.cm, 14 ft.lbf)
SYSTEM INITIALIZATION (See PRECAUTION )