2004 DAEWOO NUBIRA engine e

1C2 – 26I1.8L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
17. Align the camshaft gear timing marks. Use the ex-
haust gear mark for the exhaust gear and the in-
take gear mark for the intake gear, since the gears
are interchangeable
18. Loosen the automatic tensioner bolt. To relieve the
belt tension, turn the hex–key tab counterclockwise.
19. Rotate the automatic tensioner hex–key tab clock-
wise until the adjust arm pointer of the timing belt
automatic tensioner is aligned with the notch in the
timing belt automatic tensioner bracket.
20. Tighten the automatic tensioner bolt.
21. Rotate the crankshaft two full turns clockwise using
the crankshaft gear bolt.
22. Check the automatic tensioner pointer.
23. When the adjust arm pointer of the timing belt auto-
matic tensioner is aligned with the notch on the tim-
ing belt automatic tensioner bracket, the belt is ten-
sioned correctly.
Tighten
Tighten the automatic tensioner bolt to 25 NSm (18 lb–
ft).

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.

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.

1.8L DOHC ENGINE MECHANICAL 1C2 – 29
DAEWOO V–121 BL4
15. Using the crankshaft gear bolt, rotate the crank-
shaft clockwise until the timing mark on the crank-
shaft gear is aligned with the notch at the bottom of
the rear timing belt cover.
Notice : The camshaft gears must align with the notch on
the camshaft cover or damage to the engine could result.
16. Align the camshaft gears with the notch on the
camshaft cover.
Important : Use the intake gear mark for the intake cam-
shaft gear and the exhaust gear mark for the exhaust cam-
shaft gear since both gears are interchangeable.
17. Remove the timing belt.
18. Loosen the automatic tensioner bolt. Turn the hex–
key tab to relieve belt tension.
Installation Procedure
1. Align the timing mark on the crankshaft gear with
the notch on the bottom of the rear timing belt cov-
er.

1C2 – 30I1.8L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
2. Align the timing marks on the camshaft gears, us-
ing the intake gear mark for the intake gear and the
exhaust gear mark for the exhaust gear.
3. Install the timing belt.
4. Turn the hex–key tab in a clockwise direction to
tension the belt. Turn until the pointer aligns with
the notch.
5. Install the automatic tensioner bolt.
Tighten
Tighten the automatic tensioner bolt to 25 NSm (18 lb–
ft).
6. Rotate the crankshaft two full turns clockwise using
the crankshaft pulley bolt.
7. Recheck the automatic tensioner pointer.
8. Install the front timing belt cover.
9. Install the front timing belt cover bolts.
Tighten
Tighten the front timing belt cover bolts to 6 NSm (53
lb–in).
10. Install the right engine mount bracket. Refer to ”En-
gine Mounts” in this section.

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.

1C2 – 32I1.8L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
OIL PAN
Removal Procedure
1. Disconnect the negative battery cable.
2. Drain the engine oil from the engine crankcase.
3. Remove the exhaust flex pipe retaining nuts from
the exhaust manifold.
4. Remove the exhaust flex pipe retaining nuts from
the catalytic converter or the connecting pipe.
5. Remove the exhaust flex pipe.
6. Remove the oil pan flange–to–transaxle retaining
bolts.
7. Remove the oil pan retaining bolts.
8. Remove the oil pan from the engine block.
Cleaning Procedure
1. Clean the oil pan sealing surface.
2. Clean the engine block sealing surface.
3. Clean the oil pan retaining bolts.
4. Clean the oil pan attaching bolt holes in the engine
block.
5. Clean the oil pan scraper.

1.8L DOHC ENGINE MECHANICAL 1C2 – 33
DAEWOO V–121 BL4
Installation Procedure
1. Coat the new oil pan gasket with sealant.
Important : Install the oil pan within 5 minutes after apply-
ing the liquid gasket to the oil pan.
2. Install the oil pan to the engine block.
3. Install the oil pan retaining bolts.
Tighten
Tighten the oil pan retaining bolts to 10 NSm (89 lb–in).
4. Install the oil pan flange–to–transaxle retaining
bolts.
Tighten
Tighten the oil pan flange–to–transaxle bolts to 40
NSm (30 lb–ft).
5. Install the exhaust flex pipe.
6. Install the exhaust flex pipe retaining nuts to the
exhaust manifold.
Tighten
Tighten the exhaust flex pipe–to–exhaust manifold
retaining nuts to 35 NSm (26 lb–ft).
7. Install the exhaust flex pipe retaining nuts to the
catalytic converter or the connecting pipe.
Tighten
Tighten the exhaust flex pipe–to–catalytic converter
or connecting pipe retaining nuts to 35 NSm (26 lb–ft).
8. Connect the negative battery cable.
9. Install the oil pan drain plug.
Tighten
Tighten the oil pan drain plug to 35 NSm (26 lb–ft).
10. Refill the engine crankcase with engine oil.
OIL PUMP
Tools Required
KM–498–B Pressure Gauge
KM–135 Adapter
Engine Oil Pressure Inspection Procedure
1. Remove the right front wheel well oil pan scraper.
Refer to Section 9R, Body Front End.
2. Disconnect the oil pressure switch connector.