2004 DAEWOO NUBIRA belt

1C1 – 26I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
5. Connect the throttle cable at the throttle body and
the intake manifold.
6. Install the intake manifold support bracket upper
bolts to the intake manifold.
Tighten
Tighten the intake manifold support bracket upper
bolts to the intake manifold to 25 NSm (18 lb–ft).
7. Connect the surge tank coolant hose at the throttle
body.
8. Connect the heater inlet hose to the cylinder head.
9. Install the generator upper retaining bolt.
Tighten
Tighten the generator upper retaining bolt to 20 NSm
(15 lb–ft).
10. Connect the fuel feed line at the fuel rail.
11. Connect all the disconnected vacuum hoses and
the brake booster vacuum hose at the intake man-
ifold.
12. Install the catalytic converter retaining nuts at the
exhaust manifold flange.
Tighten
Tighten the catalytic converter to exhaust manifold
flange nuts to 40 NSm (30 lb–ft).
13. Install the rear timing belt cover.
14. Install the rear timing belt cover bolts.
Tighten
Tighten the rear timing belt cover bolts to 10 NSm (89
lb–in).

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 27
DAEWOO V–121 BL4
15. Install the timing belt automatic tensioner.
Tighten
Tighten the timing belt automatic tensioner bolts to 25
NSm (18 lb–ft).
16. Install the timing belt idler pulley.
Tighten
Tighten the timing belt idler pulley bolt to 25 NSm(18
lb–ft).
Notice : Take extreme care to prevent any scratches,
nicks or damage to the camshafts.
17. Install the intake/exhaust camshaft gear.
Tighten
Tighten the intake/exhaust camshaft gear bolts to
67.5 NSm (49 lb–ft).
18. Apply a small amount of gasket sealant to the cor-
ners of the front camshaft caps and the top of the
rear camshaft cover–to–cylinder head seal.
19. Install the camshaft cover and the gasket. Refer to
”Camshaft Cover” in this section.
20. Connect the ignition wires to the spark plugs.
21. Install the oil filler cap.
22. Connect the engine ventilation hose to the cam-
shaft cover.
23. Align the timing marks on the camshaft gears.
24. Align the mark on the crank shaft gear with the
notch at the bottom of the rear timing belt cover.

1C1 – 28I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
25. Install the timing belt.
26. Rotate the water pump clockwise using the timing
belt adjuster J–42492 to apply tension to the timing
belt.
Tighten
Tighten the water pump retaining bolts to 10 NSm (89
lb–in).
27. Check and adjust the timing belt tension. Refer to
”Timing Belt Check and Adjust” in this section.
28. Install the upper and lower front timing belt covers.
Tighten
Tighten the upper and lower front timing belt covers
bolts to 10 NSm (89 lb–in).
29. Install the crank shaft pulley bolt.
Tighten
Tighten the crank shaft pulley bolt to 95 NSm (70 lb–ft)
and retighten 30 degrees plus 15 degrees.
30. Install the serpentine accessory drive belt. Refer to
Section 6B, Power Steering Pump.
31. Connect the upper radiator hose to the thermostat
housing.
32. Install the front wheel and splash shield. Refer to
Section 2E, Tires and Wheels.
33. Install the air cleaner housing.
Tighten
Tighten the air cleaner housing bolts to 10 NSm (89 lb–
in).
34. Connect the breather tube to the cam shaft cover.
35. Install the crank shaft pulley bolt.
36. Connect the MAT sensor connector.
37. Connect the intake manifold pressure sensor, in-
take air temperature sensor and coolant tempera-
ture sensor connector.

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 29
DAEWOO V–121 BL4
38. Connect the DIS coil connector.
39. Connect the fuel injector harness connectors.
40. Connect the oxygen sensor connector and the
ECM ground terminal at the intake manifold.
41. Install the fuel pump fuse.
42. Connect the negative battery ground cable.
43. Refill the engine cooling system. Refer to Sec-
tion1D, Engine Cooling.
CAMSHAFTS
Removal Procedure
1. Remove the camshaft cover. Refer to ”Camshaft
Cover” in this section.
2. Remove the timing belt. Refer to ”Timing Belt” in
this section.
Notice : Take extreme care to prevent any scratches,
nicks or damage to the camshafts.
3. While holding the intake camshaft firmly in place,
remove the intake camshaft gear bolt and gear.
4. While holding the exhaust camshaft firmly in place,
remove the exhaust camshaft gear bolt and gear.
5. Remove the camshaft cap bolts gradually in the
sequence shown for each camshaft cap.

1C1 – 30I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
6. Remove the intake/exhaust camshaft caps. Main-
tain the correct positions for installation.
7. Remove the intake/exhaust camshaft.
Installation Procedure
Notice : Take extreme care to prevent any scratches,
nicks or damage to the camshafts.
1. Lubricate the camshaft journals and the camshaft
caps with engine oil.
2. Install the intake/exhaust camshafts.
3. Install the intake/exhaust camshaft caps in their
original positions.
Tighten
Tighten the intake/exhaust camshaft caps bolts to 16
NSm (12 lb–ft).
4. Measure the intake/exhaust camshaft end play.Ref-
er to the ”Engine Specifications” in this section.
5. Install the intake/exhaust camshaft gear.
6. While holding the intake/exhaust camshafts firmly
in place, install the intake/exhaust camshaft gear
bolts.
Tighten
Tighten the intake/exhaust camshaft gear bolts to
67.5 NSm (49 lb–ft).
7. Install the timing belt. Refer to ”Timing Belt” in this
section.
8. Install the camshaft cover. Refer to ”Camshaft Cov-
er” in this section.

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 31
DAEWOO V–121 BL4
TIMING BELT CHECK AND ADJUST
Tools Required
J–42492 Timing Belt Adjuster
KM–470–B Angular Torque Gauge
Adjustment Procedure
1. Disconnect the negative battery cable.
2. Remove the air cleaner outlet hose from the throttle
body.
3. Remove the breather tube from the camshaft cover.
4. Remove the air cleaner housing bolts.
5. Remove the air cleaner housing.
6. Remove the right front wheel. Refer to Section 2E,
Tires and Wheels.
7. Remove the right front wheel well splash shield.
8. Remove the serpentine accessory drive belt. Refer
to Section 6B, Power Steering Pump.
9. Remove the crankshaft pulley bolt.
10. Remove the crankshaft pulley.
11. Remove the upper front timing belt cover bolts.
12. Remove the upper front timing belt cover.
13. Remove the lower front timing belt cover bolts.
14. Remove the lower front timing belt cover.
15. Install the crankshaft pulley bolt.

1C1 – 32I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
16. Rotate the crankshaft at least one full turn clock-
wise using the crankshaft pulley bolt.
17. Align the mark on the crankshaft gear with the
notch at the bottom of the rear timing belt cover.
18. Align the camshaft gear timing marks.
19. Slightly loosen the water pump retaining bolts.
20. Rotate the water pump clockwise using the timing
belt adjuster J–42492.
21. Rotate the water pump clockwise until the adjust
arm pointer of the timing belt automatic tensioner is
aligned with the notch in the timing belt automatic
tensioner bracket.
22. Tighten the water pump retaining bolts.
23. Rotate the crankshaft two full turns clockwise using
the crankshaft pulley.
24. Loosen the water pump retaining bolts.

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 33
DAEWOO V–121 BL4
25. Using the timing belt adjuster J–42492, rotate the
water pump until the adjust arm pointer of the tim-
ing belt automatic tensioner is aligned with the
pointer on the timing belt automatic tensioner
bracket.
26. Tighten the water pump retaining bolts.
Tighten
Tighten the water pump retaining bolts to 10 NSm (89
lb–in).
27. Remove the crankshaft pulley bolt.
28. Install the upper and lower front timing belt covers.
29. Install the upper and lower front timing belt cover
bolts.
Tighten
Tighten the front timing belt cover bolts to 10 NSm (89
lb–in).
30. Install the crankshaft pulley.
31. Install the crankshaft pulley bolt.
Tighten
Tighten the crankshaft pulley bolt to 95 NSm (70 lb–ft)
and retighten 30 degrees plus 15 degrees.
32. Install the serpentine accessory drive belt. Refer to
Section 6B, Power Steering Pump.
33. Install the right front wheel well splash shield.
34. Install the right front wheel. Refer to Section 2E,
Tires and Wheels.
35. Install the air cleaner housing.
36. Install the air cleaner housing bolts.
Tighten
Tighten the air cleaner housing bolts to 10 NSm (89 lb–
in).