1998 OPEL FRONTERA torque

ENGINE MECHANICAL 6A – 51
3. Idle gear A
1) Insert idle gear A shaft to align alignment mark
between idle gear A shaft and timing gear case.
2) Apply engine oil to the shaft surface.
3) Install the idle gear A to align the timing mark
with the crankshaft gear.
4) Install the flange, tighten bolts to the specified
torque.
Torque: 25 Nꞏm (2.5 kgꞏm/18 lb ft)
Legend
(1) Bolt
(2) Retainer
(3) Idle Gear A
(4) Idle Gear A Shaft
(5) Align Mark
(6) Crankshaft Gear
(7) O-Ring
NOTE: Conform not difference timing marks between
each others.
4. Idle gear C
1) Insert idle gear C shaft to align alignment mark
between idle gear C shaft and timing gear case.
2) Apply engine oil to the shaft surface.
3) Align timing mark on idle gear C with balance
shaft gear LH and idle gear A timing marks, then
insert idle gear C.
4) Set position of idle gear C flange with a dowel
pin, tighten bolt to the specified torque.
Torque: 25 Nꞏm (2.5 kgꞏm/18 lb ft)Legend
(1) Bolt
(2) Retainer
(3) Idle Gear C
(4) Idle Gear C Shaft
(5) Align Mark
(6) Align Mark
(7) Idle Gear A
(8) Balance Shaft Gear LH
(9) Timing Mark
5. Idle gear B
1) Insert idle gear B shaft to align alignment mark
between idle gear B shaft and timing gear case.
2) Apply engine oil to the shaft surface.
3) Align timing mark on idle gear B with balance
shaft gear RH and crankshaft gear timing marks,
then insert idle gear B.
4) Install flange and tighten the bolt to the specified
torque.
Torque: 51 Nꞏm (5.2 kgꞏm/38 lb ft)
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6A – 52 ENGINE MECHANICAL
Legend
(1) Bolt
(2) Retainer
(3) Idle Gear B
(4) Idle Gear B Shaft
(5) Align Mark
6. High pressure oil pump
1) Install O-ring on the high pressure oil pump.
2) Install the high pressure oil pump to the timing
gear case, tighten the nut to the specified
torque.
Torque: 20 Nꞏm (2.0 kgꞏm/14.5 lb ft)
NOTE: Be sure to set O-ring completely.
Legend
(1) O-ring (large)
(2) High pressure oil pump
(3) Nut
(4) O-ring (small)7. High pressure oil pump
1) Install O-ring on the oil pump shaft with grease
and install the gear with the idle gear A timing
mark set at the oil pump gear timing mark.
2) Tighten center bolt to the specified torque.
Torque: 75 Nꞏm (7.6 kgꞏm / 55 lb ft)
NOTE: Be sure to align timing marks with each other.
Legend
(1) O-ring
(2) High Pressure Oil Pump Gear
(3) Center Bolt
8. Remove lock from idle gear.
1) Remove lock bolt from idle gear A and remove
lock pin from idle gear C.
9. Timing gear case assembly
1) Clean fixing surface of timing gear case.
2) Install the gasket on the idle gear rear side end.
3) Apply liquid gasket to the timing gear case fitting
surface.
NOTE: Be sure to apply liquid gasket evenly.
4) Install timing gear case and tighten bolts to the
specified torque.
Torque: 20 Nꞏm (2.0 kgꞏm / 14.5 lb ft)
NOTE: Must install within 5 minutes after applying liquid
gasket.
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IDLE GEAR A
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ENGINE MECHANICAL 6A – 53
10. Vacuum pump
1) Install vacuum pump and tighten bolts to
specified torque.
Torque: 25 Nꞏm (2.5 kgꞏm / 18 lb ft)
2) Install noise insulator cover.
11. Power steering pump (P/S)
1) Install P/S pump.
Torque: 25 Nꞏm (2.5 kgꞏm / 18 lb ft)12. Install front plate.
Torque: 20 Nꞏm (2.0 kgꞏm / 14.5 lb ft)
13. High pressure oil pump pulley.
1) Install oil pump pulley and tighten to specified
torque.
Torque:10 Nꞏm (1.0 kgꞏm / 7.2 lb ft)
2
2~2.5mm
2~2.5mm
Apply liquid gasket around inside
of the bolt hole
Bolt hole
Inside
Outside
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6A – 54 ENGINE MECHANICAL
14. Camshaft pulley
1) Align TDC mark with crankshaft pulley and gear
case cover.
2) Set camshaft stopper on the end of intake and
exhaust camshaft.
Camshaft Stopper: 5-8840-2592-0
3) Install key to camshaft and install camshaft
pulley.
4) Apply engine oil to camshaft pulley fixing bolt
and tighten bolt with angular tightening method.
First step: 40 Nꞏm (4.0 kgꞏm / 29 lb ft)
Second step: 60° to 90°
15. Timing belt
1) Install tensioner and tighten the bolt temporarily.
2) Align timing mark with camshaft pulley timing
mark and timing gear case timing mark.
3) Set No.1 cylinder TDC position.4) Install the timing belt in the following order
camshaft pulley, oil pump pulley, tensioner.
NOTE:
1) It is recommended for easy installation that the belt
be secured with a double clip after it is installed to
each pulley.
2) The “ISUZU” mark should be read from the front of
the engine when installing the timing belt.
5) Install the belt tensioner.
6) Conform not phase difference each pulley.
7) Tension the timing belt with two turns of the
crankshaft.
8) Tighten the tensioner bolt in order A to B to the
specified torque.
Torque: Bolt A 5 Nꞏm (0.5 kgꞏm/3.6 lb ft)
Bolt B 2 Nꞏm (0.2 kgꞏm/1.4 lb ft)
Legend
(1) Align Mark
(2) Camshaft Pulley
(3) Timing Belt
(4) Oil Pump Pulley
(5) Bolt B
(6) Tensioner Assy
(7) Tensioner Bolt A
(8) Tensioner Spring
16. CMP sensor bracket
1) Install CMP sensor bracket and tighten bolt to
the specified torque.
Torque: 20 Nꞏm (2.0 kgꞏm / 14.5 lb ft)
17. Timing belt cover
1) Install timing belt cover and tighten bolt to the
specified torque.
Torque: 9 Nꞏm (0.9 kgꞏm / 6.5 lb ft)
2) Tighten CMP sensor to the specified torque.
Torque: 9 Nꞏm (0.9 kgꞏm / 6.5 lb ft)
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ENGINE MECHANICAL 6A – 55
18. Crankshaft damper pulley
1) Insert damper pulley with the crankshaft key
groove set on the key.
2) Tighten damper pulley bolt to the specified
torque.
Torque: 220 Nꞏm (22 kgꞏm / 159 lb ft)19. Cooling fan Assembly
1) Install the cooling fan assembly to the fan pulley,
tighten the nuts to the specified torque.
Torque: 8 Nꞏm (0.8 kgꞏm / 5.8 lb ft)
20. AC generator drive belt.
1) Temporarily tighten generator fixing bolts and
belt tensioner adjustment plate.
2) Tension the generator drive belt then tighten the
generator fixing bolt.
Torque: 40 Nꞏm (4.0 kgꞏm / 29 lb ft)
3) Tighten the belt tensioner adjustment plate bolt.
Torque: 20 Nꞏm (2.0 kgꞏm / 14.5 lb ft)
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6A – 62 ENGINE MECHANICAL
INSTALLATION
1. Valve stem seal
1) Use the special tool to install the stem seal to the
valve guide.
Stem Seal Installer: 5-8840-2033-0
2. Valve spring.
1) Install the lower valve seat spring, valve spring,
then the upper valve spring seat.
2) Use valve spring compressor to compress the
spring then install the split collar.
Valve spring compressor: 5-8840-2441-0
NOTE: Make sure the split collar installs completely.
3. Install cylinder head assembly.
Refer to “Cylinder Head” in this manual.
4. Install the camshaft carrier with camshaft.
Refer to “Camshaft” in this manual.
5. Install oil rail assembly.
Refer to “Oil rail and injector” in this manual.
6. Install injector assembly.
Refer to “Oil rail and injector” in this manual.
7. Install the injector harness assembly.
Refer to “Injector” in this manual.
8. Reconnect harness connecter to oil pressure
sensor and oil temperature sensor on the oil rail.
9. Reconnect Injector harness connecter to injector.
Refer to “Injector” in this manual.
10. Install cylinder head cover with gasket.
Refer to “Cylinder Head Cover” in this manual.
11. Install glow plug with specified torque.
Torque: 15 Nꞏm (1.5 kgꞏm / 10.8 lb ft)
12. Install the intake manifold assembly.
Refer to “Intake Manifold” in this manual.
13. Install the fuel pipe.14. Install the water pipe between the cylinder head
and water pump.
Torque: 20 Nꞏm (2.0 kꞏm / 14.5 lb ft)
15. Install the front plate.
16. Install the camshaft pulley.
Refer to “Timing Gear” in this manual.
17. Install timing belt and set the tensioner.
Refer to “Timing Belt” in this manual.
18. Install CMP sensor bracket.
Torque: 20 Nꞏm (2.0 kgꞏm / 14.5 lb ft)
19. Install timing belt cover.
Torque: 9 Nꞏm (0.9 kgꞏm / 6.5 lb ft)
20. Fill the oil rail with engine oil then immediately
install the high pressure oil pipe with the specified
torque.
Torque: 80 Nꞏm (8.1 kgꞏm / 57.9 lb ft)
21. Install the noise insulator cover.
22. Reconnect hose between thermostat and radiator.
23. Install turbocharger assembly.
Refer to “Turbocharger” in this manual.
24. Install water hose and oil pipe for turbocharger.
Refer to “Turbocharger” in this manual.
25. Install the valve assembly and install heat protector.
26. Install generator and set the fan belts.
27. Install A/C compressor bracket, compressor
assembly and set drive belt.
28. Reconnect harness connector around cylinder
head.
29. Reconnect vacuum hose to EGR valve.
30. Reconnect PCV hose.
31. Install oil level gauge guide assembly.
32. Install intercooler assembly.
Refer to “Intercooler” in this manual.
33. Install the air duct assembly.
34. Fill engine coolant.
35. Connect battery ground cable.
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6A – 64 ENGINE MECHANICAL
3. Determine the thickness of the adjuster as follows.
1) Measure the thickness of the removed adjuster
with a micrometer.
2) Calculate the thickness of a new adjuster.
Calculation
TA: Thickness of new adjuster
M: Valve clearance measurement.
TO: Thickness of the removed adjuster
For intake side: TA=TO+(M–0.15) mm
For exhaust side: TA=TO+(M–0.25) mm
Select a new adjuster whose thickness is as
close to the estimated value as possible.
4. Install oil rail and tighten it temporarily.
5. Install injector assembly.
NOTE:
1) Do not forget to insert the O-ring between injector
and oil rail.
2) Install the injector to the same position as before
removal.
6. Install the injector fixing bolts and temporarily
tighten.
7. Install the injector clamp and tighten temporarily.
8. Tighten injector fixing bolts to the specified torque.
Torque: 6.5 Nꞏm (0.7 kgꞏm / 5.1 lb ft)
9. Tighten injector clamp nut to the specified torque
with special method.
Torque: loosen one turn and tighten again to
specified torque.
Torque: 25 Nꞏm (2.4 kgꞏm / 17.4 lb ft)
10. Tighten oil rail to the specified torque.
Torque: 20 Nꞏm (2.0 kgꞏm / 14.5 lb ft)
11. Install injector harness and reconnect connector.
12. Install cylinder head cover.
Refer to”Cylinder Head” in this manual.
13. Fill with about 300cc of engine oil at the high
pressure oil pipe installation port on the oil rail using
an oil filler.
If assembled without filling the oil rail with oil, the
time for engine starting will be longer.
14. Immediately install high pressure oil pipe to tighten
with specified torque.
Torque: 80 Nꞏm (8.1 kgꞏm / 57.9 lb ft)
15. Install cylinder head noise insulator cover.
Refer to “Cylinder Head” in this manual.

6A – 66 ENGINE MECHANICAL
(For example)
If you find identification marking “A”, “RA” and “2”
on the injector, you can use injector grade “A”. (The
“RA” is sometimes printed, but can be ignored)
Legend
(1) Part Number
(2) Two Alphabet Letter
(3) Serial Number
(4) Bar Code
(5) One Alphabet Letter
(6) One Numeral Letter
13. Remove harness connector from each injector.
14. Loosen nuts and bolts for oil rail.
15. Remove injector fixing bolts.
16. Remove injector clamp.
17. Remove injector assembly.
NOTE: Do not drop O-ring INSTALLATION
1. Install oil rail, tighten temporarily
2. Install injector assembly.
NOTE: Do not forget to install between injector and oil
rail.
3. Install injector fixing bolts, tighten temporarily.
4. Install injector clamp, tighten nut temporarily.
5. Tighten injector bolts to the specified torque.
Torque: 6.5 Nꞏm (0.7 kgꞏm / 5.1 lb ft)
6. Tighten injector clamp nut to the specified torque
with special method.
Torque: 30 Nꞏm (3.1 kgꞏm / 22 lb ft) then loose a
time again tighten as following torque.
Torque: 25 Nꞏm (2.4 kgꞏm / 17.4 lb ft)
7. Tighten oil rail to the specified torque.
Torque: 20 Nꞏm (2.0 kgꞏm / 14.5 lb ft)
8. Install injector harness assembly, reconnect
harness connecter to injector.
9. Record the identification marking of injector for
each cylinder that is indicated on the upper portion
of injector.
Legend
(1) Part Number
(2) Two Alphabet Letter
(3) Serial Number
(4) Bar Code
(5) One Alphabet Letter
(6) One Numeral Letter
10. Install cylinder head assembly.
Refer to “Cylinder Head” in this manual.
11. Fill with about 300cc of engine oil from the high
pressure oil pipe at the high pressure oil pipe
installation port on the oil rail using an oil filler.
If assembled without filling the oil rail with oil, the
time for engine starting will be longer.
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Identification
One Alphabet One Numeral
Marking
Letter Letter
Grade
A1
AA2
A3
B1
BB2
B3
C1
CC2
C3