REMOVAL AND INSTALLATION <4G6>



<Except EURO2>


Pre-removal Operation
  • Under Skid Plate and Engine Room Under Cover Removal (Refer to GROUP 51 - Under Cover ).
  • Air Cleaner Assembly Removal.
  • Front Exhaust Pipe Removal.

Post-installation Operation
  • Front Exhaust Pipe Installation.
  • Air Cleaner Assembly Installation.
  • Under Skid Plate and Engine Room Under Cover Installation (Refer to GROUP 51 - Under Cover ).





Removal steps
<<A>>
>>B<<
1.
Oxygen sensor (Front)


2.
Exhaust manifold cover


3.
Heat protector

>>A<<
4.
Exhaust manifold bracket


5.
Engine hanger


6.
Exhaust manifold


7.
Exhaust manifold gasket

<EURO2>


Pre-removal Operation
  • Under Skid Plate and Engine Room Under Cover Removal (Refer to GROUP 51 - Under Cover ).
  • Air Cleaner Assembly Removal.
  • Front Exhaust Pipe Removal.

Post-installation Operation
  • Front Exhaust Pipe Installation.
  • Air Cleaner Assembly Installation.
  • Under Skid Plate and Engine Room Under Cover Installation (Refer to GROUP 51 - Under Cover ).





Removal steps


1.
Exhaust manifold cover


2.
Engine hanger


3.
Exhaust manifold


4.
Exhaust manifold gasket

REMOVAL SERVICE POINT



<<A>> OXYGEN SENSOR (FRONT) REMOVAL



Remove the connection and clamp of oxygen sensor connector, and then use special tool oxygen sensor wrench (MB991953) to remove the oxygen sensor.

INSTALLATION SERVICE POINTS



>>A<< EXHAUST MANIFOLD BRACKET INSTALLATION



Make sure that the exhaust manifold bracket is closely contacted with the exhaust manifold and engine mounting bracket, and then tighten the mounting bolt to the specified torque.
Tightening torque: 35 ± 6 N·m

>>B<< OXYGEN SENSOR (FRONT) INSTALLATION



1.Tighten the oxygen sensor to the specified torque by using special tool oxygen sensor wrench (MB991953).
Tightening torque: 44 ± 5 N·m
2.Connect the oxygen sensor connector and install the connector bracket.