Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Intake And Exhaust System / Muffler

Components and components location
Components

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

Repair procedures
Removal and Installation
Front Muffler
1.
Disconnect the battery negative terminal.
2.
Disconnect the oxygen sensor connector (A).

3.
Remove the heat protector (A).
Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

4.
Remove the front muffler (A) after disconnecting the hanger.
Tightening torque : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft)

5.
Install in the reverse order of removal.
   
When installing, replace with new gaskets.
Catalytic Converter & Center Muffler
1.
Remove the catalytic converter & center muffler.
(1)
Disconnect the hanger (A).
(2)
Remove the catalytic converter & center muffler (B).
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.
(1)
Disconnect the hanger (A).
(2)
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)

2.
Install in the reverse order of removal.
   
When installing, replace with new gaskets.
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.
Remove the catalytic converter & center muffler.
(1)
Disconnect the hanger (A).
(2)
Remove the catalytic converter & center muffler (B).
Tightening torque :
39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft)

3.
Cut the center muffler as the instruction below.
Cut the front dent of the muffler.

[A/S muffler]
Cut the rear dent of the A/S 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.

4.
Install the center muffler.
(1)
Install the catalytic converter (A) and the center muffler (B) for A/S 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.

(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 ~ 17.4 lb-ft)

   
Do not reuse the clamp that was tightened completely. It may cause leak to reuse the clamp that was tightened completely.

    Intercooler

    Repair procedures Removal and Installation1.Disconnect the battery negative terminal.2.Remove the engine room under cover.(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")3...

    Engine Electrical System

    ..

    Other information:

    Hyundai Elantra (CN7) 2021-2024 Service Manual: Side Impact Sensor (SIS)


    Description and operation Description• Side Impact Sensors (SIS), each installed on the center part of the right and left front door modules and the right and left center pillars, detects side impact during collision.• The pressure-sensitive side collision detection sensor (P-SIS) is a method that senses the pressure when it collides, and is also call..

    Hyundai Elantra (CN7) 2021-2024 Service Manual: Roof Trim Assembly


    Components and components location Component Location 1. Roof Trim Assembly Repair procedures Replacement    • When removing with a flat - tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • Put on gloves to prevent hand injuries.    • T..

    Categories

    Air bag collision sensors

    1. SRS control module/Rollover sensor
    2. Front impact sensors
    3. Side impact sensors (acceleration)
    4. Side impact sensors (pressure)

    read more

    Copyright © 2024 www.helantra7.com