2NZ-FE INTAKE / EXHAUST  EXHAUST PIPE  INSTALLATION  


PROCEDURE

Hide 17410 1.INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Front and Rear Catalyst)

a.
A128853

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

Minimum 41.5 mm (1.63 in.)

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


b.

Temporarily install a new gasket to the exhaust manifold.


c.
A181728C66
2.927,1.385 2.802,1.385 2.802,1.385 2.5,1.698 false 1.781,3.26 2.021,3.26 2.021,3.26 2.021,2.438 false 1.125,0.552 1.448,0.552 1.448,0.552 1.448,1.625 false 0.896,0.5 1.125,0.688 0.229,0.188 10 false *1 1.583,3.177 1.854,3.385 0.271,0.208 10 false *2 3.01,1.313 3.26,1.5 0.25,0.188 10 false *a
*1 Exhaust Manifold
*2 Gasket
*a Wooden Block


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

NOTICE:
·

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.




d.

Connect the front exhaust pipe assembly (TWC: Front and Rear Catalyst) to the 2 exhaust pipe supports.


e.
A258941C31
2.406,0.781 2.51,0.156 2.51,0.156 2.677,0.156 false 0.771,0.229 0.906,0.229 0.906,0.229 1.156,0.604 false 0.781,1.188 0.938,1.188 0.938,1.188 1.073,0.885 false 0.406,1.417 0.802,1.615 0.396,0.198 10 false *a 0.604,0.167 0.99,0.396 0.385,0.229 10 false *1 0.573,1.104 0.927,1.26 0.354,0.156 10 false *2 2.719,0.083 3.094,0.271 0.375,0.188 10 false *3
*1 Exhaust Manifold
*2 Front Exhaust Pipe Assembly (TWC: Front and Rear Catalyst)
*3 Gasket
*a Space between Flanges: 8.5 mm (0.335 in.)


Install the front exhaust pipe assembly (TWC: Front and Rear Catalyst) to the exhaust manifold with the 2 bolts and 2 compression springs.

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

HINT:

After installation, check that the space between the flanges of the exhaust manifold and front exhaust pipe assembly (TWC: Front and Rear Catalyst) are consistent front-to-rear and left-to-right.



Hide 17430 2.INSTALL TAIL EXHAUST PIPE ASSEMBLY

a.
A128853

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

Minimum 38.5 mm (1.52 in.)

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


b.

Temporarily install a new gasket to the front exhaust pipe assembly (TWC: Front and Rear Catalyst).


c.
A181728C66
2.927,1.385 2.802,1.385 2.802,1.385 2.5,1.698 false 1.781,3.26 2.021,3.26 2.021,3.26 2.021,2.438 false 1.125,0.552 1.448,0.552 1.448,0.552 1.448,1.625 false 0.896,0.5 1.125,0.688 0.229,0.188 10 false *1 1.583,3.177 1.854,3.385 0.271,0.208 10 false *2 3.01,1.313 3.26,1.5 0.25,0.188 10 false *a
*1 Front Exhaust Pipe Assembly (TWC: Front and Rear Catalyst)
*2 Gasket
*a Wooden Block


Using a plastic hammer and wooden block, tap in the gasket until its surface is flush with the front exhaust pipe assembly (TWC: Front and Rear Catalyst).

NOTICE:
·

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 pipes when connecting them.




d.

Connect the tail exhaust pipe assembly to the 2 exhaust pipe supports.


e.
A258966C21
0.833,0.438 1.063,0.438 1.063,0.438 1.354,0.938 false 2.229,0.958 2.635,0.406 2.635,0.406 2.813,0.406 false 0.927,1.51 1.104,1.51 1.104,1.51 1.323,1.156 false 0.594,1.719 0.896,1.885 0.302,0.167 10 false *a 0.656,0.365 1.094,0.552 0.438,0.188 10 false *1 0.75,1.438 1.063,1.615 0.313,0.177 10 false *2 2.844,0.333 3.208,0.51 0.365,0.177 10 false *3
*1 Tail Exhaust Pipe Assembly
*2 Front Exhaust Pipe Assembly (TWC: Front and Rear Catalyst)
*3 Gasket
*a Space between Flanges: 6.5 mm (0.256 in.)


Install the tail exhaust pipe assembly to the front exhaust pipe assembly (TWC: Front and Rear Catalyst) with the 2 bolts and 2 compression springs.

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

HINT:

After installation, check that the space between the flanges of the front exhaust pipe assembly (TWC: Front and Rear Catalyst) and tail exhaust pipe assembly are consistent front-to-rear and left-to-right.



Hide 3.INSPECT FOR EXHAUST GAS LEAK

If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.