Hyundai Elantra: Intake And Exhaust System / Exhaust Manifold Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Engine Mechanical System / Intake And Exhaust System / Exhaust Manifold Repair procedures

Removal and Installation

1.	Remove the engine cover. (Refer to Engine And Transaxle Assembly - “Engine Cover”)

2.	Disconnect the battery negative terminal.

3.	Disconnect the oxygen sensor connectors (A).

4.	Remove the engine room under cover. (Refer to Engine And Transaxle Assembly - “Engine Room Under Cover”)

5.	Remove the front muffler. (Refer to Intake And Exhaust System - "Muffler")

Remove the exhaust manifold heat protector (A).

Tightening torque:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Remove the driveshaft heat protector (A).

Tightening torque:

19.6 ~ 29.4N.m (2.0 ~ 3.0kgf.m, 14.5 ~ 21.7lb-ft)

Remove the exhaust manifold stay (A).

Tightening torque :

39.2 ~ 49.0 N.m (4.0 ~ 5.0 kgf.m, 28.9 ~ 36.2 lb-ft)

Remove the exhaust manifold (A) with the gasket.

Tightening torque :

34.3 ~ 39.2 N.m(3.5 ~ 4.0 kgf.m, 25.3 ~ 28.9 lb-ft)

•	When installing the intake manifold, tighten the nuts with pre-torque first, and then tighten the nuts with specified torque in the sequence shown.

10.

Install in the reverse order of removal.

•	When installing, replace with a new gasket.

Exhaust Manifold Components and Components Location

Components 1. Heat protector2. Exhaust manifold gasket3. Exhaust manifold4. Exhaust manifold stay ...

Muffler Components and Components Location

Components 1. Front muffler2. Catalytic converter & center muffler assembly3. Main muffler4. Gasket5. Hanger ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location [Engine Room] 1. Engine room junction block [Interior Relay] 1. Smart junction block (SJB) ...

Hyundai Elantra AD (2016-2020) Service Manual: Injector Description and Operation
Description Based on information from various sensors, the ECM can calculate the fuel amount to be injected. The fuel injector is a solenoid-operated valve and the fuel injection amount is controlled by length of injection time. The ECM controls each injector by grounding the control circ ...