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1.8L DOHC ENGINE MECHANICAL 1C2 – 21
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39. Install the timing belt.
40. Check and adjust the timing belt tension. Refer to
”Timing Belt Check and Adjust” in this section.
41. Install the front timing belt cover.
42. Install the front timing belt cover bolts.
Tighten
Tighten the front timing belt cover bolts to 6 NSm (53
lb–in).
43. Install the crankshaft pulley.
44. Install the crankshaft pulley bolts.
Tighten
Tighten the crankshaft pulley bolts to 12 NSm (106 lb–
in).
45. Install the right engine mount bracket and retaining
bolts.
Tighten
Tighten the engine mount bracket retaining bolts to 55
NSm (41 lb–ft).
46. Remove the engine assembly lift support
J–28467–B.
47. Install the serpentine accessory drive belt. Refer to
Section 6B, Power Steering Pump.
48. Connect the upper radiator hose to the thermostat
housing.
49. Install the right front wheel well splash shield.
50. Install the right front wheel. Refer to Section 2E,
Tires and Wheels.
51. Install the air cleaner housing.
52. Install the air cleaner housing bolts.
Tighten
Tighten the air cleaner housing bolts to 10 NSm (89 lb–
in).
53. Connect the air cleaner outlet hose to the throttle
body.
54. Connect the breather tube to the camshaft cover.
55. Connect the MAT sensor connector.
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1C2 – 22I1.8L DOHC ENGINE MECHANICAL
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56. Connect the CTS connector.
57. Connect the engine CTS connector.
58. Connect the IAC valve connector.
59. Connect the TPS connector.
60. Install the CCP and the EGR solenoid bracket bolt.
Tighten
Tighten the charcoal canister purge and exhaust gas
recirculation solenoid bracket bolt to 5 NSm (44 lb–in).
61. Connect the DIS coil connector.
62. Connect the O2 sensor connector, if equipped.
63. Connect the ECM ground terminal.
64. Install the fuel pump fuse.
65. Connect the negative battery ground cable.
66. Refill the engine cooling system. Refer to Section
1D, Engine Cooling.
CAMSHAFTS
Removal Procedure
1. Remove the timing belt. Refer to ”Timing Belt” in
this section.
2. Disconnect the breather tube at the camshaft cov-
er.
3. Disconnect the engine ventilation hose at the cam-
shaft cover.
4. Remove the spark plug cover bolts.
5. Remove the spark plug cover.
6. Disconnect the ignition wires from the spark plugs.
7. Remove the camshaft cover bolts.
8. Remove the camshaft cover washers.
9. Remove the camshaft cover and the camshaft cov-
er gasket.
Notice : Take extreme care to prevent any scratches,
nicks or damage to the camshafts.
10. While holding the intake camshaft firmly in place,
remove the intake camshaft gear bolt.
11. Remove the intake camshaft gear.
12. While holding the exhaust camshaft firmly in place,
remove the exhaust camshaft gear bolt.
13. Remove the exhaust camshaft gear.
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1C2 – 24I1.8L DOHC ENGINE MECHANICAL
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12. Install the exhaust camshaft gear.
13. While holding the exhaust camshaft firmly in place,
install the exhaust camshaft gear bolt.
Tighten
Tighten the exhaust camshaft gear bolt to 50 NSm (37
lb–ft) plus 60 degrees and 15 degrees using the angu-
lar torque gauge KM–470–B.
14. Install the camshaft cover and the camshaft cover
gasket.
15. Install the camshaft cover washers.
16. Install the camshaft cover bolts.
Tighten
Tighten the camshaft cover bolts to 8 NSm (71 lb–in).
17. Connect the ignition wires to the spark plugs.
18. Install the spark plug cover.
19. Install the spark plug cover bolts.
Tighten
Tighten the spark plug cover bolts to 8 NSm (71 lb–in).
20. Connect the breather tube to the camshaft cover.
21. Connect the engine ventilation hose to the cam-
shaft cover.
22. Install the timing belt. Refer to ”Timing Belt” in this
section.
TIMING BELT CHECK AND ADJUST
(Left–Hand Drive Shown, Right–Hand Drive
Similar)
Adjustment Procedure
1. Disconnect the negative battery cable.
2. Disconnect the manifold air temperature (MAT)
sensor connector.
3. Remove the air cleaner outlet hose from the throttle
body.
4. Remove the breather tube from the camshaft cover.
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1.8L DOHC ENGINE MECHANICAL 1C2 – 27
DAEWOO V–121 BL4
24. Install the front timing belt cover.
25. Install the front timing belt cover bolts.
Tighten
Tighten the front timing belt cover bolts to 6 NSm (53
lb–in).
26. Install the crankshaft pulley.
27. Install the crankshaft pulley bolt.
Tighten
Tighten the crankshaft pulley bolt to 20 NSm (15 lb–ft).
28. Install the right engine mount bracket. Refer to ”En-
gine Mount” in this section.
29. Install the serpentine accessory drive belt. Refer to
Section 6B, Power Steering Pump.
30. Install the right front wheel well splash shield.
31. Install the right front wheel. Refer to Section 2E,
Tires and Wheels.
32. Install the air cleaner housing.
33. Install the air cleaner housing bolts.
Tighten
Tighten the air cleaner housing bolts to 10 NSm (89 lb–
in).
34. Connect the air cleaner outlet hose to the throttle
body.
35. Connect the breather tube to the camshaft cover.
36. Connect the MAT sensor connector.
37. Connect the negative battery cable.
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1C2 – 28I1.8L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
TIMING BELT
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the manifold air temperature (MAT)
sensor connector.
3. Disconnect the air cleaner outlet hose from the
throttle body.
4. Disconnect the breather tube from the camshaft
cover.
5. Remove the air cleaner housing bolts.
6. Remove the air cleaner housing.
7. Remove the right front wheel. Refer to Section 2E,
Tires and Wheels.
8. Remove the right front wheel well splash shield.
9. Remove the serpentine accessory drive belt. Refer
to Section 6B, Power Steering Pump.
10. Remove the crankshaft pulley bolts.
11. Remove the crankshaft pulley.
12. Remove the right engine mount bracket. Refer to
”Engine Mount” in this section.
13. Remove the front timing belt cover bolts.
14. Remove the front timing belt cover.
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1.8L DOHC ENGINE MECHANICAL 1C2 – 31
DAEWOO V–121 BL4
11. Install the crankshaft pulley.
12. Install the crankshaft pulley bolts.
Tighten
Tighten the crankshaft pulley bolts to 20 NSm (15 lb–
ft).
13. Install the serpentine accessory drive belt. Refer to
Section 6B, Power Steering Pump.
14. Install the right front wheel well splash shield. Refer
to Section 9R, Body Front End.
15. Install the right front wheel. Refer to Section 2E,
Tires and Wheels.
16. Install the air cleaner housing.
17. Install the air cleaner housing bolts.
Tighten
Tighten the air cleaner housing bolts to 10 NSm (89 lb–
in).
18. Connect the air cleaner outlet hose to the throttle
body.
19. Connect the breather tube to the camshaft cover.
20. Connect the MAT sensor connector.
21. Connect the negative battery cable.
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1.8L DOHC ENGINE MECHANICAL 1C2 – 37
DAEWOO V–121 BL4
ENGINE MOUNT
Tools Required
J–28467–B Engine Assembly Support Fixture
X–28467–560 Engine Assembly Support Channel
Removal Procedure
1. Disconnect the negative battery cable.
2. Support the engine assembly using the engine as-
sembly support fixture J–28467–B, and the engine
assembly support channel X–28467–560.
3. Disconnect the manifold air temperature (MAT)
sensor connector.
4. Disconnect the air cleaner outlet hose from the
throttle body.
5. Remove the air cleaner housing bolts.
6. Remove the air cleaner housing.
7. Remove the right front splash shield. Refer to Sec-
tion 9R, Body Font End.
8. Remove the engine mount bracket retaining bolts.
9. Remove the engine mount bracket.
10. Remove the serpentine accessory drive belt. Refer
to Section 6B, Power Steering Pump.
11. Remove the front timing belt cover bolts.
12. Align the crankshaft pulley timing mark with the
pointer, and the camshaft gears with the timing
marks on the rear cover, by turning the crankshaft
gear bolt.
13. Loosen the timing belt automatic tensioner bolt.
14. Turn the hex–key tab to relieve belt tension.
15. Remove the timing belt idler pulley bolt and nut.
16. Remove the timing belt idler pulley.
17. Remove the engine mount retaining bolts.
18. Remove the engine mount.
Installation Procedure
1. Install the engine mount.
2. Install the engine mount retaining bolts.
Tighten
Tighten the engine mount retaining bolts to 45 NSm
(33 lb–ft).
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1C2 – 46I1.8L DOHC ENGINE MECHANICAL
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7. Install the timing belt automatic tensioner and bolt.
8. Install the camshaft gears. Refer to ”Camshaft
Gears” in this section.
9. Install the timing belt and timing belt cover. Refer to
”Timing Belt” in this section.
10. Connect the negative battery cable.
ENGINE
Removal Procedure
1. Remove the fuel pump fuse.
2. Start the engine. After it stalls, crank the engine for
10 seconds to rid the fuel system of fuel pressure.
3. Remove the hood. Refer to Section 9R, Body Front
End.
4. Drain the engine oil.
5. Disconnect the negative battery cable.
6. Discharge the air conditioning (A/C) system, if
equipped. Refer to Section 7B, Manual Control
Heating, Ventilation, and Air Conditioning Systems.
7. Disconnect the manifold air temperature (MAT)
sensor connector.
8. Remove the air cleaner outlet hose from the throttle
body and air cleaner housing.
9. Disconnect the breather tubes from the camshaft
cover.
10. Remove the right front wheel. Refer to Section 2E,
Tires and Wheels.
11. Remove the right front wheel well splash shield.
Refer to Section 9R, Body Font End.
12. Remove the serpentine accessory drive belt. Refer
to Section 6B, Power Steering Pump.
13. Drain the engine coolant. Refer to Section 1D, En-
gine Cooling.
14. Remove the cooling system radiator and the engine
cooling fans. Refer to Section 1D, Engine Cooling.
15. Disconnect the upper radiator hose from the ther-
mostat housing.
16. Disconnect the power steering return hose from the
power steering pump.
17. Disconnect the power steering pressure hose from
the power steering pump.
18. Disconnect the electrical connector at the direct
ignition system (DIS) coil and the electronic control
module (ECM) ground terminal and at the starter
motor.