Opel Frontera UBS. Service manual — part 2394
6A – 50 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 exceeds the
specified limit, replace the camshaft carrier
and/or camshaft.
Oil clearance.
Standard: 0.040 – 0.082 mm (0.0016 – 0.0032 in)
Limit: 0.12 mm (0.0047 in)
7) Clean the plastigauge from the camshaft bracket
and camshaft carrier.
5. Camshaft thrust clearance.
1) Clean the camshaft, camshaft bracket and
camshaft carrier.
2) Put camshaft carrier on the cylinder head.
3) Put camshaft on the camshaft carrier.
4) Put plastigauge on the camshaft journal.
5) Install camshaft bracket to original position and
tighten bolts to specified torque in the numerical
order shown in the illustration.
Torque: A; 22 N·m (2.2 kg·m/16 lb ft)
B; 38 N·m (3.9 kg·m/28 lb ft)
C; 22 N·m (2.2 kg·m/16 lb ft)
D; 38 N·m (3.9 kg·m/28 lb ft)
6) Use a dial indicator to measure the camshaft
thrust clearance. If the camshaft thrust
clearance exceeds the specified limit, replace
the camshaft carrier and/or camshaft.
Camshaft thrust clearance
Standard: 0.1 mm (0.0002 in)
Limit: 0.2 mm (0.0078 in)
13
7
6
5
12
15
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011RW041
014RW185
C
C
D
B
C
C
B
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C
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C
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C
A
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A
A
A
A
A
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A
011RW035
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011RW041
ENGINE MECHANICAL 6A – 51
014RW001
6A – 52 ENGINE MECHANICAL
TIMING GEAR
REMOVAL
1. Loosen fixing bolt for generator and remove
generator assembly.
2. Remove fixing nuts, then remove cooling fan
assembly and fan pulley.
3. Remove crankshaft damper pulley.
4. Belt cover
1) Disconnect harness connector of CMP
(camshaft position) sensor.
2) Remove CMP sensor.
3) Remove belt cover.
5. Loosen belt tensioner to remove timing belt.
6. Remove camshaft pulley.
7. Remove high pressure oil pump pulley.
8. Remove front plate.
9. Remove vacuum pump.
10. Remove power steering pump.
11. Remove timing gear case cover assembly.
12. Idle gear A.
1) Set two bolts to sub gear of idle gear A and turn
it to align the tooth of idle gear A then lock them
by bolt as show in the illustration.
2) Remove idle gear A fixing bolts.
3) Remove idle gear A.
Legend
(1) Sub-Gear
(2) Main Gear
(3) Bar
(4) Locking Bolt
2
3
4
5
8
7
6
9
1
020RW028
Legend
(1)
Idle Gear A
(2)
High Pressure Oil Pump Gear
(3)
Vacuum Pump Gear
(4)
Power Steering Pump Gear
(5)
Balance Gear LH
(6)
Idle Gear C
(7)
Crankshaft Gear
(8)
Balance Gear RH
(9)
Idle Gear B
4
1
2
3
014RW177
ENGINE MECHANICAL 6A – 53
Legend
(1) Bolt
(2) Retainer
(3) Idle Gear A
(4) Idle Gear A Shaft
(5) Align Mark
(6) Crankshaft Gear
(7) O-Ring
13. Idle gear C
1) Use the special tool on idle gear C, turning the
sub gear to align the teeth, then set lock pin.
2) Remove idle gear C fixing bolt then remove the
idle gear C with flange.
Camshaft Gear Tool : 5-8840-2591-0
Legend
(1) Lock pin
(2) Camshaft Gear Tool
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
14. Idle gear B
1) Loosen idle gear B fixing bolt to remove idle
gear B with flange.
Legend
(1) Bolt
(2) Retainer
(3) Idle Gear B
(4) Idle Gear B Shaft
(5) Align Mark
3
6
5
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3
2
1
7
1
7
014R200007
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2
014RW181
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014R200008
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