Kia Rio: Muffler: Removal and Installation
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1. |
Disconnect the battery negative terminal.
Tightening torque
Without battery sensor :
7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)
With battery sensor :
4.0 ~ 6.0 N.m (0.4 ~ 0.6 kgf.m, 3.0 ~ 4.4 lb-ft)
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2. |
Disconnect the rear oxygen sensor connector (A).

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3. |
Remove the front muffler (A).
Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)
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4. |
Remove the center muffler (A).
Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)
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5. |
Remove the main muffler (A).

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6. |
Installation is the reverse order of removal.
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When installing, replace with new gaskets.
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Replacement procedure of center muffler using clamp
Under warranty : Replace the center muffler assembly.
Out of warranty : It is available to replace the center muffler as the
procedure below.
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1. |
Check that the clamping part of the center muffler assembly is
damaged or deformed.
If the muffler is too corroded to clamp, replace the center muffler
assembly.

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2. |
Record the gap (A, B, C, D, E, F) between the tail pipe (or tail
trim) and the rear bumper.
[Pipe type]

[Trim type]

[Bumper-integrated trim type]

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3. |
Remove the catalytic converter & center muffler (A).

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4. |
Cut the center muffler as the instruction below.
[With dent]
| A. |
Cut the front dent of the muffler.
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[Without dent]
| A. |
Cut the muffler by reffering to the front dent of A/S
muffler as shown in the image below.
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[A/S muffler]
| A. |
Cut the rear dent of the A/S muffler.
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• |
To prevent a leak, remove the rust on the clamping
part or the burr on the cutting part.
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Cut the pipe vertically.
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Pipe cutter available to cut the pipe vertically
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Use a hacksaw as the procedure below, if a pipe
cutter is unavailable.
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| 1. |
Mark the cutting position to cut the pipe vertically.

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| 2. |
Cut the pipe along the marking line by using hacksaw.

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5. |
Install the center muffler.
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(1) |
Install the catalytic converter (A) and the center muffler
(B) for A/S by tightening the nuts lightly, not completely.

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When installing the muffler, replace the gasket
with new one.
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(2) |
Put the clamp (A) between the cutting part of each pipe
and tighten the clamp lightly, not completely.

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(3) |
Tighten the catalytic converter and the center muffler
with specified torque.
Tightening torque :
39.2~58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9~43.4 lb-ft)
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(4) |
Compare the gap between the tail pipe(or tail trim) and
the rear bumper with the record measured before removing the
center muffler assembly.
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If the tail pipe is installed differently compared
to the initial position, the bumper might be damaged
by the pipe heat or interfere between the tail pipe
and the rear bumper.
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(5) |
Do not tighten the clamp at a time. Tighten the clamp
nuts to the specified torque, by turns.
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Tightening torque :
17.6~23.5 N.m (1.8 ~ 2.4 kgf.m, 13.0~17.4lb-ft)
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Do not reuse the clamp that was tightened completely.
It may cause leak to reuse the clamp that was tightened completely.
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1. Front muffler
2. Catalytic converter & Center muffler assembly
3. Main muffler
4. Gasket
5. Hanger
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See also:
Radiator: Description
[Air conditioning type]
The cooling fan operates in 2 stages (HIGH/LOW). The engine control module
(ECM) controls the cooling fan according to the coolant temperature, vehicle
speed and A ...
Muffler: Components
1. Front muffler
2. Catalytic converter & Center muffler assembly
3. Main muffler
4. Gasket
5. Hanger
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5Door Interior
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