Kia Niro: Intake And Exhaust System / Muffler Repair procedures

Removal and Installation

Front Muffler

1.	Disconnect the heated oxygen sensor connector (A) and then remove it from the bracket.

Remove the under cover (A).

Tightening torque :

7.8 - 9.8 N·m (0.8 - 1.0 kgf·m, 5.8 - 7.2 lb·ft)

3.	Detach the rubber hanger (A) from the front muffler.

Remove the front muffler (B).

Tightening torque :

39.2 - 58.8 N·m (4.0 - 6.0 kgf·m, 28.9 - 43.4 lb·ft)

When installing, replace with new gaskets.

5.	Install in the revere order of removal.

Center Muffler

1.	Detach the rubber hanger (A) from center muffler.

Remove the center muffler (B).

Tightening torque :

39.2 - 58.8 N·m (4.0 - 6.0 kgf·m, 28.9 - 43.4 lb·ft)

When installing, replace with new gaskets.

3.	Install in the reverse order of removal.

Rear Muffler

1.	Detach the rubber hanger (A) from rear muffler.

Remove the rear muffler (B).

Tightening torque :

39.2 - 58.8 N·m (4.0 - 6.0 kgf·m, 28.9 - 43.4 lb·ft)

When installing, replace with new gaskets.

3.	Install in the reverse order of removal.

Components 1. Front muffler 2. Exhaust heat recovery system (EHRS) 3. Center muffler 4. Rear muffler 5. Gasket 6. Rubber hanger ...

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Kia Niro 2017 (DE HEV) Service Manual: Hybrid Control Unit (HCU) Schematic diagrams
HCU Terminal And Input/Output Signal Terminal Function Connector [C133-S] Pin No. Description Connected to 1 HCU ground Chassis ground 2 HCU ground ...