1998 OPEL FRONTERA Workshop Manual

air suspension wheel air filter AUX bulb spare wheel

Page 5313 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 40 ENGINE MECHANICAL
REMOVAL
1. Disconnect battery ground cable.
2. Drain engine coolant.
3. Remove air cleaner and air duct.
4. Remove intercooler assembly.
Refer to “Intercooler” in this

6A – 40 ENGINE MECHANICAL
REMOVAL
1. Disconnect battery ground cable.
2. Drain engine coolant.
3. Remove air cleaner and air duct.
4. Remove intercooler assembly.
Refer to “Intercooler” in this manual.
5. Remove oil level gauge guide assembly.
6. Remove PCV hose.
7. Remove EGR vacuum hose.
8. Disconnect harness connector around the cylinder
head.
9. Remove A/C compressor assembly.
10. Remove A/C compressor bracket.
11. Remove generator assembly and take out fan belt.
12. Remove heat protector and remove valve
assembly.
13. Remove water hose and oil pipe from turbocharger.
14. Remove turbocharger assembly.
15. Remove water hose between thermostat and
radiator.
16. Remove cylinder head noise insulator cover.
NOTE: Do not make damage to the harness.
17. Remove high pressure pipe.
18. Remove timing belt cover.
19. Remove CMP sensor bracket.
20. Remove timing belt tensioner and remove timing
belt.
21. Remove camshaft pulley.
22. Remove front plate.
23. Remove water pipe between cylinder head and
water pump.
24. Remove fuel pipe between fuel pump and intake
manifold.
25. Remove fuel return pipe.
26. Remove intake manifold assembly.
27. Disconnect glow plug wiring and remove glow plug.
28. Remove cylinder head cover.
29. Drain oil from oil rail.
30. Disconnect injector harness connector.
31. Disconnect harness connector from oil pressure
sensor and oil temperature sensor on the oil rail.
32. Disconnect injector harness assembly.
33. Remove injector clamp.
34. Remove injector spacer.
35. Remove injector assembly.
36. Remove oil rail assembly.
37. Remove camshaft carrier.
38. Remove cylinder head assembly.
39. Remove cylinder gasket.
INSTALLATION
1. Install cylinder head gasket with top mark up.
NOTE: Determine cylinder head gasket grade by
measuring projection of piston head.2. Selection cylinder head gasket.
1) Measure the piston head projection by injector
gauge.
2) Measure the projection of piston head at the
nearest possible point to the cylinder bore.
3) Obtain the largest measurement from among all
cylinders.
4) Determine cylinder head gasket grade by
maximum value of measuring projection of
piston head.
Legend
(1) Top Mark
(2) Grade Mark
012RW073
2 1
011RW043

Page 5314 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 41
Cylinder head gasket and piston projection mm
CAUTION:
The projection of each piston should be 0.333
mm or more and less than 0.483 mm.
Maximum difference in pro

ENGINE MECHANICAL 6A – 41
Cylinder head gasket and piston projection mm
CAUTION:
The projection of each piston should be 0.333
mm or more and less than 0.483 mm.
Maximum difference in projection between
pistons should be less than 0.1 mm.
If the piston projection is without standard,
reassemble the engine all over again.
3. Install cylinder head assembly, tighten bolts by
angular tightening method.
To r q u e :
1st step; 49 Nꞏm (4.9 kgꞏm/35.4 lb ft)
2nd step; 60°
3rd step; 60°
4. Install camshaft carrier assembly.
Refer to “Camshaft” in this manual.
5. Install oil rail and injector assembly.
Refer to “Oil rail and injector” in this manual.
6. Install injector harness to connect harness
connector.
Note: Apply liquid gasket (TB 1207B or equivalent) to
the rubber seal of the camshaft end, injector harness
gasket area and No. 1 camshaft bracket. Refer to the
Cylinder head cover.
7. Install cylinder head cover.
Torque: 9 Nꞏm (0.9 kgꞏm/6.5 lb ft)
8. Install glow plug to tighten specified torque.
Torque: 15 Nꞏm (1.5 kgꞏm/11 lb ft) and connect
glow plug harness.
9. Install intake manifold.Torque: 20 Nꞏm (2.0 kgꞏm/14.5 lb ft)
10. Install fuel return pipe.
11. Install fuel pipe in between fuel pump and intake
manifold.
12. Install water pipe in between cylinder head and
water pump.
Tighten flange bolt to the specified torque.
Torque: 20 Nꞏm (2.0 kgꞏm/14.5 lb ft)
13. Install front plate.
Torque: 20 Nꞏm (2.0 kgꞏm/14.5 lb ft)
14. Install camshaft pulley, tighten with angular
tightening method.
1st step 40 Nꞏm (4.0 kgꞏm/29 lb ft)
2nd step 60°
NOTE: Apply engine oil to camshaft pulley bolt.
15. Align timing mark oil pump pulley and camshaft
pulley to front plate then put the timing belt and
tighten tensioner bolt.
Torque: 20 Nꞏm (2.0 kgꞏm/14.5 lb ft) for M8
50 Nꞏm (5.1 kgꞏm/37 lb ft)
16. Install CMP sensor bracket.
17. Install timing belt cover.
Torque: 9 Nꞏm (0.9 kgꞏm/6.5 lb ft)
18. Fill with about 300 cc of engine oil from the high
pressure oil pipe installing port of oil rail using an oil
filler.
If assembled without filling the oil rail with oil, the
time for engine start will be longer.
19. Immediately install high pressure oil pipe to tighten
with specified torque.
Torque: 80 Nꞏm (8 kgꞏm/57.9 lb ft)
20. Install cylinder head noise insulator cover.
Torque: 9 Nꞏm (0.9 kgꞏm/6.5 lb ft)
Grade A Grade B Grade C
011RW042
Grade Piston projectionGasket
thickness
A more 0.333 to less 0.383 1.35
B more 0.383 to less 0.433 1.40
C more 0.433 to less 0.483 1.45

Page 5315 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 42 ENGINE MECHANICAL
Legend
(1) Cylinder Head Noise Insulator Cover
(2) Insulator
(3) Bolt
(4) Oil Seal
(5) Gasket
(6) Cylinder Head Cover
(7) Bolt
21. Install water hose between thermostat and

Page 5316 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 43
CAMSHAFT
2 1
6
13 14
8
12
11
109
3
4
7
5
012RW022-1
Legend
(1) Nut and Washer
(2) Injector Clamp
(3) Nut
(4) Bolt
(5) Oil Rail Assembly
(6) Bolt
(7) Injector Assembly(8) Ca

Page 5317 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 44 ENGINE MECHANICAL
DISASSEMBLY
1. Injector clamp and spacer.
2. Injector assembly
3. Oil rail assembly
4. Camshaft bracket
5. Camshaft
6. Oil seal
7. Plug
NOTE: Before starting disassembly

Page 5318 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 45
INSPECTION AND REPAIR
Make the necessary adjustments, repairs, and part
replacements if excessive wear or damage is
discovered during inspection.
1. Camshaft Jo

Page 5319 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 46 ENGINE MECHANICAL
NOTE: Do not allow the camshaft to rotate.
6) Remove the camshaft bracket and measure the
plastigauge width and determine the oil
clearance. If the oil clearance

Page 5320 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 47
014RW001

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