Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure

Part Name Code

1

NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

17168

-

-

-

2

EXHAUST MANIFOLD (TWC: Front Catalyst)

17141

-

-

3

MANIFOLD STAY

17118

-

-

-

4

NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

17167

-

-

-

5

AIR FUEL RATIO SENSOR

89467B

-

-

-

6

FRONT NO. 1 FLOOR HEAT INSULATOR

58151

-

-

-

7

FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

17410

-

-

8

FRONT FLOOR CENTER BRACE

57533B

-

-

-

9

INSPECT FOR EXHAUST GAS LEAK

-

-

-

10

NO. 1 ENGINE UNDER COVER ASSEMBLY

51410

-

-

-

N*m (kgf*cm, ft.*lbf): Specified torque

Non-reusable part

PROCEDURE

1. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

2. INSTALL EXHAUST MANIFOLD (TWC: Front Catalyst)

(1) Install a new exhaust manifold to head gasket to the cylinder head sub-assembly.

(2) Using a 12 mm deep socket wrench, temporarily install the exhaust manifold (TWC: Front Catalyst) to the cylinder head sub-assembly with 7 new nuts.

(3) Using the 12 mm deep socket wrench, tighten the 7 nuts in the order shown in the illustration.

Torque:

26 N·m {265 kgf·cm, 19 ft·lbf}

3. INSTALL MANIFOLD STAY

(1) Temporarily install the manifold stay to the exhaust manifold (TWC: Front Catalyst) and cylinder block sub-assembly with the bolt and nut.

(2) Tighten the bolt and nut in the order shown in the illustration.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

4. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

5. INSTALL AIR FUEL RATIO SENSOR

Click here

6. INSTALL FRONT NO. 1 FLOOR HEAT INSULATOR

Click here

7. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

*1

Exhaust Manifold (TWC: Front Catalyst) or Front Exhaust Pipe Assembly (TWC: Rear Catalyst)

*2

Gasket

*a

Wooden Block

*b

Plastic Hammer

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

Standard Length (Front)

43 mm (1.69 in.)

Standard Length (Rear)

40 mm (1.57 in.)

Minimum Free Length (Front)

41.5 mm (1.63 in.)

Minimum Free Length (Rear)

38.5 mm (1.52 in.)

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

(2) temporarily install 2 new gaskets to the exhaust manifold (TWC: Front Catalyst) and front exhaust pipe assembly (TWC: Rear Catalyst).

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

NOTICE:

  • Be sure to install the gasket in the correct direction.
  • Do not reuse the gaskets.
  • Do not damage the gaskets.
  • Do not push in the gaskets by using the exhaust pipes when connecting them.

*1

Exhaust Manifold (TWC: Front Catalyst)

*2

Front Exhaust Pipe Assembly (TWC: Rear Catalyst)

*3

Tail Exhaust Pipe Assembly

*4

Gasket

*a

Space between Flanges: 8.5 mm (0.335in.)

*b

Space between Flanges: 6.5 mm (0.256in.)

(1) Connect the front exhaust pipe assembly to the 3 exhaust pipe supports.

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

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

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

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

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

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

(6) Engage the wire harness clamp.

(7) Connect the heated oxygen sensor connector.

8. INSTALL FRONT FLOOR CENTER BRACE

Torque:

15 N·m {153 kgf·cm, 11 ft·lbf}

9. INSPECT FOR EXHAUST GAS LEAK

Click here

10. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY

Click here

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