Installation [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL FRONT EXHAUST PIPE ASSEMBLY

Using a vernier caliper, measure the free length of the compression spring.

Fig 1: Measuring Free Length Of Compression Spring

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard	42.0 mm (1.65 in.)
Minimum	40.5 mm (1.59 in.)

HINT:

If the length is less than the minimum, replace the compression spring.

Fully insert a new gasket to the exhaust manifold converter sub-assembly.

Using a plastic hammer and wooden block, tap in the new gasket until its surface is flush with the exhaust manifold converter sub-assembly.

Fig 2: Identifying Exhaust Manifold Converter Sub-Assembly, Wooden Block & Gasket

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*1	Exhaust Manifold Converter Sub-assembly
*2	Wooden Block
*3	Gasket

NOTE:

Be sure to install the gasket in the correct direction.
Do not reuse the gasket.
Do not damage the gasket.
Do not push in the gasket by using the exhaust pipe when connecting it.

Connect the front exhaust pipe assembly to the exhaust pipe support.

Install the front exhaust pipe assembly with the 2 compression springs and 2 bolts.

Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)

HINT:

After the installation, check that the gaps between the flanges of the exhaust manifold converter sub-assembly and front exhaust pipe assembly are consistent front-to-rear and left-to-right.

Fig 3: Identifying Gaps Between Flanges Of Exhaust Manifold Converter & Front Exhaust Pipe

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*1	Exhaust Manifold Converter Sub-assembly
*2	Front Exhaust Pipe Assembly
*3	Gasket
*a	Space between flanges: 8.5 mm (0.335 in.)

INSTALL CENTER EXHAUST PIPE ASSEMBLY
1. Install a new gasket to the front exhaust pipe assembly.
2. Connect the center exhaust pipe assembly to the exhaust pipe support.
3. Install the center exhaust pipe assembly with the 2 nuts.
  Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)

INSTALL TAIL EXHAUST PIPE ASSEMBLY

Using a vernier caliper, measure the free length of the compression spring.

Fig 4: Measuring Free Length Of Compression Spring

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard	40.0 mm (1.57 in.)
Minimum	38.5 mm (1.52 in.)

HINT:

If the length is less than the minimum, replace the compression spring.

Fully insert a new gasket to the center exhaust pipe assembly.

Using a plastic hammer and wooden block, tap in the new gasket until its surface is flush with the center exhaust pipe assembly.

Fig 5: Identifying Exhaust Manifold Converter Sub-Assembly, Wooden Block & Gasket

TEXT IN ILLUSTRATION

*1	Center Exhaust Pipe Assembly
*2	Wooden Block
*3	Gasket

NOTE:

Be sure to install the gasket in the correct direction.
Do not reuse the gasket.
Do not damage the gasket.
Do not push in the gasket by using the exhaust pipe when connecting it.

Connect the tail exhaust pipe assembly to the 3 exhaust pipe supports.

Install the tail exhaust pipe assembly with the 2 compression springs and 2 bolts.

Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)

HINT:

After the installation, check that the gaps between the flanges of the center exhaust pipe assembly and tail exhaust pipe assembly are consistent front-to-rear and left-to-right.

Fig 6: Identifying Gaps Between Flanges Of Exhaust Manifold Converter & Front Exhaust Pipe

TEXT IN ILLUSTRATION

*1	Tail Exhaust Pipe Assembly
*2	Center Exhaust Pipe Assembly
*3	Gasket
*a	Space between flanges: 6.5 mm (0.256 in.)

INSTALL HEATED OXYGEN SENSOR . Refer to INSTALLATION [08/2013 - ] - Step 1
INSPECT FOR EXHAUST GAS LEAK