Opel Frontera UBS. Service manual — part 401
4JG2-NA/4JG2-TURBO ENGINE 6A2 – 25
INSTALLATION
5.
Rocker Arm Shaft Assembly
•
Install rocker arm shaft with larger oil hole (ø4) to
the front of engine.
•
Align fixing bolt with not of rocker arm shaft and
tighten fixing bolts to the specified torque.
54 (5.5/40)
N·m (kg·m/lb·ft)
•
Adjust valve clearance refreshing to section valve
clearance adjustment.
4.
Cylinder Head Cover
•
Install cylinder head cover and tighten bolts to the
specified torque.
3.
Oil Level Gauge Guide Tube
•
Tighten guide tube to the specified torque.
2.
Intercooler Assembly (4JG2-T Only)
•
Refer to intercooler installation steps in this
section.
1.
Air Cleaner Cover & Air Duct (4JG2-T Only)
13 (1.3/113)
N·m (kg·m/lb·in)
19 (1.9/14)
N·m (kg·m/lb·ft)
6A2 – 26 4JG2-NA/4JG2-TURBO ENGINE
CYLINDER HEAD
4JG2-NA/4JG2-TURBO ENGINE 6A 2– 27
REMOVAL
Preparation
•
Remove battery. (two batteries for cold area)
•
Disconnect window washer hose, and remove
engine hood.
•
Drain coolant.
•
Space stand and front right tire.
1.
Radiator Hose : Upper
•
Disconnect upper radiator hose from engine side.
2.
Air Cleaner Cover & Air Duct
3.
Intercooler Assembly (4JG2-T Only)
•
(Refer to intercooler removal steps in this section)
4.
Oil Level Gauge Guide Tube
5.
P/S Pump
•
Loosen P/S pump fixing bolts and adjusting bolt
and remove two drive belts.
•
Remove two fixing bolts (front side). A fixing nut
(rear side) and support P/S pump asm with oil
hoses by tying to body side.
6.
A/C Compressor Assembly
•
Remove A/C compressor fixing bolt (rear under
side of compressor) by using a long extension bar
at under side of wheel arch.
•
Disconnect magnetic clutch harness connector.
•
Remove fixing bolts (upper and front lower side of
compressor) and set A/C compressor asm with
pipe line on battery carrier.
7.
Water Hose; CSD
•
Disconnect CSD water hoses from heater hose
side.
8.
Engine Harness
•
Disconnect five harness connectors from units on
thermostat housing.
9.
Heater Hose: Rear Side
•
Disconnect heater hose from heater pipe.
10. Water Bypass Hose
•
Disconnect water bypass hose from water pump.
11. Water Inlet Hose: Turbo (4JG2-T Only)
•
Disconnect from water outlet pipe of engine.
12 Water Outlet Hose: Turbo (4JG2-T Only)
•
Disconnect from water inlet pipe of engine.
13 Oil Feed Pipe: Turbo (4JG2-T Only)
•
Remove two joint bolts (from turbocharger and
cylinder block) and oil feed pipe.
14. Oil Return Pipe Fixing Nut (4JG2-T Only)
•
Remove oil return pipe fixing nut from cylinder
block.
15. Oil Cooler Hose
6A2 – 28 4JG2-NA/4JG2-TURBO ENGINE
16. Exh. Manifold; W/turbo (4JG2-T Only)
•
Remove exh. manifold bracket fixing bolt from
exh. manifold.
•
Remove exh. manifold fixing bolts and nuts from
cylinder head.
•
After pulling out exh. manifold a little, remove oil
return pipe flange from stud bolt and remove exh.
manifold w/turbo.
17. Front Exhaust Pipe
18. Fuel Leak Off Hose
19. Cylinder Head Cover
20. Glow Plug Harness
21. Injection Pipe
•
Loosen sleeve nuts on injection pump side.
•
Disconnect sleeve nuts on injection pipe.
22. Fuel Leak Off Pipe
23. Rocker Arm Shaft Assembly
24. Push Rod
25. Cylinder Head W/inlet Manifold
•
Disconnect cylinder head bolts in sequence shown
in Figure.
26. Cylinder Head Gasket
INSTALLATION
26. Cylinder Head Gasket
•
Determine cylinder head gasket grade by
measuring projection of piston head.
•
Install dowel in cylinder block.
•
Install cylinder head gasket with top mark up.
25. Cylinder Head W/intake Manifold
•
Clean up cylinder head lower surface and cylinder
body upper surface.
•
Install cylinder head as softly.
•
Apply engine oil to screw and seat of cylinder
head bolts.
•
Tighten cylinder head bolts in following sequence.
24. Push Rod
•
Inspect curvature, excessive wear and damage.
(Refer to push rod inspection)
1st Step
N·m (kg·m/lb·ft)
49 (5.0/36)
2nd Step
60°
3rd Step
60°
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст