1998 OPEL FRONTERA Workshop Manual

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Page 5281 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 8 ENGINE MECHANICAL
Parts Items Service standard Service limit Remarks
Cylinder
Block—
95.421 – 95.450
(3.7567 – 3.7579)0.20 (0.0079) Warpage
(Upper surface of the cylinder block)
Cylind

Page 5282 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 9
SERVICING
Servicing refers to general maintenance procedures to
be performed by qualified service personnel.
MODEL IDENTIFICATION
Engine Serial Number
The engine num

Page 5283 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 10 ENGINE MECHANICAL
8. Check the engine oil level and replenish to the
specified level if required.
9. Start the engine and check for oil leakage from the
main oil filter.
FUEL SYSTEM

Page 5284 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 11
Remove the radiator filler cap only when absolutely
necessary.
Always check the coolant level when the engine is cold.
Always refer to the chart at the left

Page 5285 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 12 ENGINE MECHANICAL
Drive Belt Adjustment
Check the drive belt tension
Depress the drive belt mid-portion with a 98 N (10 kg/
22 lb) force.
Drive Belt Deflection: 10 mm (0.39 in)
Che

Page 5286 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 13
VALVE CLEARANCE ADJUSTMENT
1. Install 2.80 mm valve adjuster (shim) first when
reassembling the engine.
Thickness mark faces down.
2. Measure the valve clearance

ENGINE MECHANICAL 6A – 13
VALVE CLEARANCE ADJUSTMENT
1. Install 2.80 mm valve adjuster (shim) first when
reassembling the engine.
Thickness mark faces down.
2. Measure the valve clearance after installing cam
carrier assy with camshafts.
3. Change the adjuster using a special tool when the
clearance is out of tolerance.
Valve Clearance Adjusting Tool: 5-8840-2590-0
VALVE CLEARANCE (When cold condition)
Inlet 0.15 ± 0.05 mm
Exh 0.25 ± 0.05 mm
COMPRESSION PRESSURE
MEASUREMENT
1. Start the engine and allow it to idle until the coolant
temperature reaches 70 – 80°C (158 – 176°F).
2. Remove the following parts.
Glow plugs
Fuel cut solenoid connector
QOS (Quick-On Start System) fuse in the fuse
box.
3. Set the adapter and compression gauge to the No.
1 cylinder glow plug hole.
Compression Gauge
(with Adapter): 5-8840-2008-0
4. Turn the engine over with the starter motor and take
the compression gauge reading.
Compression Pressure at 200 rpm
Standard: 3038 kPa (31 kg/cm
2/441 psi)
Limit: 2157 kPa (22 kg/cm
2/313 psi)
5. Repeat the procedure (Steps 3 and 4) for the
remaining cylinders.
QUICK-ON START 4 SYSTEM
Quick-On Start System Inspection Procedure
1. Disconnect the ECT-sensor connection around the
thermostat outlet pipe.
2. Turn the starter switch to the “ON” position.
If the Quick-On Start 4 System is operating
properly, the glow relay will make a clicking sound
within seven seconds after the starter switch is
turned on.
3. Measure the glow plug terminal voltage with a
circuit tester immediately after turning the starter
switch to the “ON” position.
Glow Plug Terminal Voltage: 8 – 9V
NOTE: Electrical power to the quick-on start system will
be cut after the starter has remained in the “ON”
position for twenty seconds.
Turn the starter switch to the “OFF” position and back
to the “ON” position.
This will reset the Quick-On Start 4 System.
014RW150

Page 5287 of 6000

OPEL FRONTERA 1998 Workshop Manual 6A – 14 ENGINE MECHANICAL
TIGHTENING TORQUE
Timing Gear Case, Timing Gear
Nꞏm (kgꞏm/lbꞏft)
75(7.6/55)
Apply engine oil to
thread and seat 8(0.8/6)
20(2.0/14.5)
51(5.2/38)
25(2.5/18)
020RW00001

Page 5288 of 6000

OPEL FRONTERA 1998 Workshop Manual ENGINE MECHANICAL 6A – 15
Cylinder Head, Flywheel, Crank Case, Oil Pan
Nꞏm (kgꞏm/lbꞏft)
012RW121
1st
49N•m(5.0kg•m/36 Ib ft)
167(17.0/123)
8(0.8/5.8)
20(2.0/14.5)
20(2.0/14.5)
30(3.1/22)
2

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