2. Front Catalytic Converter

S150017

A: REMOVAL

S150017A18

1)  Set the vehicle on the lift.

2)   Disconnect battery ground cable.

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3) Disconnect front oxygen (A/F) sensor connector.

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4) Disconnect connector from rear oxygen sensor connector.

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5)   Lift-up the vehicle.

6)   Remove under cover.

7) Separate center exhaust pipe from rear exhaust pipe.

CAUTION:

Be careful, exhaust pipe is hot.

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8) Remove bolts which hold front exhaust pipe onto cylinder heads.

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9) Remove front exhaust pipe and center exhaust pipe from hanger bracket.

CAUTION:

Be careful not to pull down front exhaust pipe

and center exhaust pipe.

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10) Separate front catalytic converter from front exhaust pipe.

NOTE:

The rear catalytic converter is integrated with front catalytic converter. Therefore, the procedure for removing rear catalytic converter is the same as the description above.

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B: INSTALLATION

S150017A11

CAUTION:

Replace gaskets with new ones.

1) Install front catalytic converter to front exhaust pipe.

Tightening torque:

30 Nm (3.1 kgf-m, 22.4 ft-lb)

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2) Install front exhaust pipe and center exhaust pipe. And temporarily tighten bolt which installs center exhaust pipe to hanger bracket.

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3) Tighten bolts which hold front exhaust pipe onto cylinder heads.

Tightening torque:

30 Nm (3.1 kgf-m, 22.4 ft-lb)

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4) Install center exhaust pipe to rear exhaust pipe.

Tightening torque:

18 Nm (1.8 kgf-m, 13.0 ft-lb)

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5) Tighten bolt which holds center exhaust pipe to hanger bracket.

Tightening torque:

35 Nm (3.6 kgf-m, 26.0 ft-lb)

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6) Install under cover.

7)   Lower the vehicle.

8)  Connect front oxygen (A/F) sensor connector.

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9) Connect connector to rear oxygen sensor connector.

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10) Connect battery ground cable.

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NOTE:

The rear catalytic converter is integrated with front catalytic converter. Therefore, the procedure for installing rear catalytic converter is the same as the description above.

C: INSPECTION

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1)   Make sure there are no exhaust leaks from connections and welds.

2)   Make sure there are no holes or rusting.