Hyundai Santa Fe: Intake And Exhaust System / Muffler. Repair procedures

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Engine Mechanical System / Intake And Exhaust System / Muffler. Repair procedures

Removal and Installation
  
•
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.
Disconnect the battery negative terminal.
2.
Disconnect the oxygen sensor connector (A) and then disconnect from bracket.
3.
Remove the engine room rear under cover (A).
Tightening torque :
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)

4.
Remove the front muffler (A).
Tightening torque :
Muffler : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb.ft)
Hanger : 19.6 - 24.5 N.m (2.0 - 2.5 kgf.m, 14.5 - 18.1 lb.ft)

5.
Install in the reverse order of removal.
  
•
.When installing, replace with new gaskets.
Replacing procedures of catalytic converter using clamp
1.
Check that the clamping part of the main muffler assembly is damaged or deformed.
2.
Cut the main muffler as indicated below.

  
•
Use a pipe cutter or chain pipe cutter to make sure the cutting surface is smooth and even.
3.
Replace the catalytic converter.
Catalytic Converter and Center Muffler
1.
Remove the catalytic converter and center muffler (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.
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)

2.
Install in the reverse order of removal.
  
•
When installing, replace with new gaskets.

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