Opel Frontera UBS. Manual - part 397

4JG2-NA/4JG2-TURBO ENGINE 6A2 – 9

4.

Injection Pipes

•

Tighten the sleeve nut to the specified torque

3.

Heater and Oil Cooler Pipe Fixing Bolts

•

Tighten fixing bolts to the specified torque

2.

Oil Level Gauge Tube (4JG2-T only)

1.

Inter Cooler (4JG2-T only)

•

Refer to “Inter cooler installation”steps in this
section.

19 (1.9/14)

N·m(Kg·m/lb·ft)

29 (3.0/22)

N·m(Kg·m/lb·ft)

6A2 – 10 4JG2-NA/4JG2-TURBO ENGINE

EXHAUST MANIFOLD

REMOVAL

1.

Turbocharger (4JG2-T only)

•

Refer to the “Turbocharger” removal in this
section.

2.

Exhaust Manifold

INSTALLATION

2.

Exhaust Manifold

•

Tighten the fixing nuts and bolts to the specified
torque.

1.

Turbocharger (4JG2-T only)

•

Refer to the “Turbocharger” installation in this
section.

26 (2.7/20)

N·m(Kg·m/lb·ft)

Bolt

19 (1.9/14)

N·m(Kg·m/lb·ft)

Nut

4JG2-NA/4JG2-TURBO ENGINE 6A2 – 11

TURBOCHARGER (4JG2-T only)

REMOVAL

Preparation

•

Space stand and remove right front tire

•

Remove battery

•

Drain coolant

1.

Air Cleaner Cover & Air Duct

•

Disconnect connecting rubbers and stay fixing
bolts.

2.

Intercooler Assembly (4JG2-T Only)

•

Refer to intercooler removal steps in this section.

3.

Power Steering (P/S) Pump Drive Belts

•

Loosen P/S pump fixing bolts and adjusting bolt
and remove two drive belt.

4.

Engine Ground Cable

6A2– 12 4JG2-NA/4JG2-TURBO ENGINE

5.

Air Conditioner (A/C) Compressor Assembly

•

Remove A/C compressor fixng bolt (rear under
side of compressor) by using a long extension bar
at under side of wheel arch.

•

Disconnect magnetic clutch harness connector.

•

Removal fixing bolts (upper and front lower sides
of compressor) and set A/C compressor asm with
pipelines on battery cable.

6.

Water Inlet Pipe:  Turbo (4JG2-T Only)

7.

Oil Feed Pipe: Turbo (4JG2-T Only)

•

Remove joint bolt from turbo charger.

•

Plug up oil port of turbocharger to prevent
entrance of foreign material.

8.

Oil Return Pipe: Turbo (4JG2-T Only)

•

Disconnect oil return pipe flange from
turbocharger.

9.

Water Outlet Pipe: Turbo (4JG2-T Only)

10. Exh. Pipe: Ft (4JG2-T Only)

11. Heat Protector (4JG2-T Only)

12. Exh. Adapter (4JG2-T Only)

13. Turbocharger Assembly (4JG2-T Only)

•

Remove turbocharger asm from exhaust
manifold.