Hyundai Palisade (LX2): Intake And Exhaust System / Muffler

Hyundai Palisade (LX2) 2020-2025 Service Manual / Engine Mechanical System / Intake And Exhaust System / Muffler

Components and components location

Components
[2WD]

Hyundai Palisade. Components and components location

1. Front muffler
2. Catalytic converter & Center muffler assembly
3. Rear muffler
 4. Gasket
5. Hanger

[AWD]

Hyundai Palisade. Components and components location

1. Front muffler
2. Catalytic converter & Center muffler assembly
3. Rear muffler
 4. Gasket
5. Hanger

Repair procedures

Removal and Installation
Hyundai Palisade. Repair procedures   
•
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
Front Muffler
1.
Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
2.
Remove the roll rod bracket.
(Refer to Engine and Transaxle Assembly - "Engine Mounting")
3.
Remove the sub frame.
(Refer to Suspension System - "Sub Frame")
4.
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)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
5.
Install in the reverse order of removal.
Hyundai Palisade. Repair procedures   
•
When installing, replace with new gaskets.
Catalytic converter & Center Muffler Assembly
1.
Remove the catalytic converter & center muffler assembly (A).
Tightening torque :
39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb.ft)

Hyundai Palisade. Repair procedures
2.
Install in the reverse order of removal.
Hyundai Palisade. Repair procedures   
•
When installing, replace with new gaskets.
Rear Muffler
1.
Remove the rear muffler (A).
Tightening torque :
39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb.ft)

Hyundai Palisade. Repair procedures
2.
Install in the reverse order of removal.
Hyundai Palisade. Repair procedures   
•
When installing, replace with new gaskets.
Replacement procedure of catalytic converter & center muffler assembly using clamp
Under warranty : Replace the catalytic converter & center muffler assembly.
Out of warranty : Catalytic converters and center muffler assemblies can be replaced in the following procedure:
1.
Check if the clamping part of the catalytic converter & center muffler assembly is damaged or deformed.
If the muffler is too corroded to clamp, replace the catalytic converter & center muffler assembly.

Hyundai Palisade. Repair procedures
2.
Record the gap (A, B) between the tail pipe and the rear bumper.

Hyundai Palisade. Repair procedures
3.
Remove the catalytic converter & center muffler assembly (A).

Hyundai Palisade. Repair procedures
4.
Cut the catalytic converter & center muffler assembly as in the instruction below.
–
Cut the front groove of the muffler.

Hyundai Palisade. Repair procedures
[Replacement muffler]
–
Cut the rear groove of the replacement muffler.

Hyundai Palisade. Repair procedures
Hyundai Palisade. Repair procedures   
•
To prevent leakage, remove any rust on the clamping part or the burr on the cutting part.
•
Cut the pipe vertically.
Hyundai Palisade. Repair procedures   
•
Use a pipe cutter to cut the pipe vertically.

Hyundai Palisade. Repair procedures
•
If pipe cutter is unavailable, use a hacksaw as in the procedure below.
1)
Mark the cutting position to cut the pipe vertically.

Hyundai Palisade. Repair procedures
2)
Cut the pipe along the marked line by using a hacksaw.

Hyundai Palisade. Repair procedures
5.
Install the center muffler.
(1)
Install the catalytic converter (A) and the center muffler (B) for replacement by partially tightening the nuts.

Hyundai Palisade. Repair procedures
(2)
Place the clamp (A) between the cutting part of each pipe and partially tighten the clamp.

Hyundai Palisade. Repair procedures
(3)
Tighten the catalytic converter and the center muffler to the 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 measurement taken before removing the center muffler assembly.
Hyundai Palisade. Repair procedures   
•
If the tail pipe is installed differently from the initial position, the bumper may get damaged by the pipe heat or interference 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)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Do not reuse clamps that have been tightened completely. Reusing clamps that have been tightened completely may cause leakage.

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