Kia Carens: Intake And Exhaust System / Muffler Repair procedures
Front Muffler
| 1. |
Disconnect the rear oxygen sensor connector (A).

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| 2. |
Remove the front muffler (A).
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Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)
|

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| 3. |
Install in the reverse order of removal.
|
When installing, replace with new gaskets.
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Center Muffler
| 1. |
Remove the center muffler assembly (A).
|
Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)
|

|
| 2. |
Install in the reverse order of removal.
|
When installing, replace with new gaskets.
|
|
Main muffler
| 1. |
Detach the rubber hangers (A) from the rear muffler.
|
| 2. |
Remove the rear muffler (B).
|
Tightening torque :
39.2 ~ 58.9 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)
|

|
| 3. |
Install in the reverse order of removal.
|
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.
| 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.

|
| 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]

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

|
| 4. |
Cut the center muffler as the instruction below.
[With groove]
| – |
Cut the front groove of the muffler.
|

[Without groove]
| – |
Cut the muffler by reffering to the front groove of replacement
muffler as shown in the image below.
|

[Replacement muffler]
| – |
Cut the rear groove of the replacement muffler.
|

| •
|
To prevent a leak, remove the rust on the clamping part
or the burr on the cutting part.
|
| •
|
Cut the pipe vertically.
|
|
| •
|
Pipe cutter available to cut the pipe vertically .

|
| •
|
Use a hacksaw as the procedure below, if a pipe cutter
is unavailable.
|
| 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.
| (1) |
Install the catalytic converter (A) and the center muffler (B)
for replacement by tightening the nuts lightly, not completely.

|
When installing the muffler, replace the gasket with
new one.
|
|
| (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)
|
|
| (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.
|
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.
|
|
| (5) |
Do not tighten the clamp at a time. Tighten the clamp nuts to
the specified torque, by turns.
|
|
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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Components
1. Front
muffler
2. Center muffler
3. Main muffler
4. Gasket
5. Hanger
...
Other information:
Removal
1.
Disconnect the brake fiuid level switch connector, and remove the reservoir
cap.
2.
Remove the brake fluid from the master cylinder reservior with a syringe.
...
Removal
•
When prying with a flat-tip screwdriver, wrap it with protective
tape, and apply protective tape around the related parts, to
prevent damage.
...