DISASSEMBLY

1.Remove air inlet pipe, fresh air hose and fresh air tube.

2.Remove turbocharger boost control solenoid valve.
■ CAUTION ■
Never shock turbocharger boost control solenoid valve.

3.Remove insulator (upper and lower).

4.Remove water inlet tube and water outlet tube.

5.Remove oil feed tube and oil return tube.

6.Remove exhaust manifold and turbocharger assembly as follows:

(1)Loosen mounting nuts in the reverse order as shown in the figure.

A | : Bank 1
B | : Bank 2
| : Engine front

■ CAUTION ■
Disregard the numerical order No. 7 and 8 in removal.
NOTE：
Apply penetrating lubricant to nuts before operation.

(2)Remove exhaust manifold and turbocharger assembly.
■ CAUTION ■

- Be careful not to bend piping.
- Never hold actuator rod.
- Check the following route if compressor wheel, turbine wheel, and/or rotor shaft were broken. Remove all fragments and other foreign materials in order to avoid secondary contamination.

Intake side: | Between exhaust manifold and turbocharger assembly and charge air cooler
Between exhaust manifold and turbocharger assembly and air cleaner
Exhaust side: |
Between exhaust manifold and turbocharger assembly and three way catalyst

ASSEMBLY
Note the following, and install in the reverse order of removal.
Exhaust manifold and Turbocharger Assembly Gasket

- To install, check that the identification hole (triangle mark) (C) is located as shown in the figure.

  A | : Bank 1
  B | : Bank 2
  | : Engine front

Exhaust manifold and Turbocharger Assembly

- Tighten mounting nuts in numerical order as shown in the figure.

  A | : Bank 1
  B | : Bank 2
  | : Engine front

NOTE：
Tighten nuts No. 1 and 2 in two steps. The numerical order No. 7 and 8 shows second step.
Water Inlet Tube and Water Outlet Tube

- After temporarily installing each part, check for a twist or bent, and tighten mounting bolts.
  ■ CAUTION ■
  Be careful not to bend piping.

Oil Feed Tube and Oil Return Tube

- After temporarily installing each part, check for a twist or bent, and tighten mounting bolts of the feed side.
  ■ CAUTION ■
  Be careful not to bend piping.