Geely EC718, EC718RV, EC715, EC715RV. Manual part — 133

2.7.6.2

Three-way

Catalytic

Converter

Replacement

Removal Procedure:

Warning!

Refer to "Battery Disconnection Warning" in "Warnings
and Notices".

Note

Removing the bolt when it is hot is likely to damage the
bolt or flange nuts weld on the exhaust manifold.
Remove the bolt when the engine is cooled down.

FE02-0307b

1.

Disconnect the battery negative cable. Refer to

2.11.8.1

Battery Disconnection

.

2.

Disconnect the pre-catalytic oxygen sensor wiring
harness connector.

Note

Pull out the red plug to disconnect the harness
connector.

FE02-0308b

3.

Disconnect the post-catalytic oxygen sensor wiring
harness connector.

Note

Pull out the red plug to Disconnect the harness
connector.

Engine

Exhaust System JL4G18-D

2-447

FE02-0290b

4.

Lift the vehicle.

Warning!

Refer to "Vehicle Lifting Warning" in "Warnings and
Notices".

5.

Remove the three-way catalytic converter left connecting
bolt.

FE02-0291b

6.

Remove the three-way catalytic converter right
connecting bolt.

FE02-0309b

7.

Remove the three-way catalytic exhaust converter
connecting nuts, remove the exhaust pipe gaskets,
remove the three-way catalytic converter and remove the
exhaust outlet washers.

Note

Do not drop the three-way catalytic converter during
removal.

2-448

Exhaust System JL4G18-D

Engine

Installation Procedure:

FE02-0305b

1.

Use a rubber hammer and a piece of wood, tapping the
exhaust pipe exports to the exhaust manifold gasket, until
the surfaces are even, and then install the three-way
catalytic converter, tighten the left connecting bolt.

Torque: 40 Nm (Metric) 29.6 lb-ft (US English)

Note

Clean before installing the exhaust outlet gaskets
and interface.

FE02-0306b

2.

Install the three-way catalytic converter right connecting
bolt.

Torque: 40 Nm (Metric) 29.6 lb-ft (US English)

FE02-0310b

3.

Install the exhaust pipe gasket.

Note

Clean before installing the exhaust pipe gaskets and
interface.

4.

Clean the three-way catalytic exhaust pipe connecting
nuts.

Torque: 52 Nm (Metric) 38.5 lb-ft (US English)

Engine

Exhaust System JL4G18-D

2-449

FE02-0311b

5.

Lower the vehicle.

6.

Connect the post-catalytic oxygen sensor wiring harness
connector.

FE02-0312b

7.

Connect the pre-catalytic oxygen sensor wiring harness
connector.

8.

Connect the battery negative cable.

2.7.6.3 Front Muffler Replacement

Removal Procedure:

Warning!

Refer to "Vehicle Lifting Warning" in "Warnings and
Notices".

FE02-0309b

1.

Lift the vehicle.

2.

Remove the front muffler to the three-way catalytic
converter retaining nuts and the exhaust pipe gasket.

2-450

Exhaust System JL4G18-D

Engine