Daewoo Nubira. Manual - part 149

1C – 30

I

DOHC ENGINE MECHANICAL

DAEWOO V–121 BL4

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 N

S

m (18 lb–

ft).

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 N

S

m (53

lb–in).

26.  Install the crankshaft pulley.
27.  Install the crankshaft pulley bolts.

Tighten

Tighten the crankshaft pulley bolt to 20 N

S

m (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.

DOHC ENGINE MECHANICAL  1C – 31

DAEWOO V–121 BL4

30.  Install the right front splash shield.
31.  Install the right front wheel. Refer to Section 2E,

Tires and Wheels.

32.  Install the air filter housing.
33.  Install the air filter housing bolts.

Tighten

Tighten the air filter housing bolts to 8 N

S

m (71 lb–in).

34.  Connect the air intake tube to the throttle body.

35.  Connect the breather tube to the valve cover.
36.  Connect the intake air temperature sensor connec-

tor.

37.  Connect the negative battery cable.

TIMING BELT

Removal Procedure

1.  Disconnect the negative battery cable.
2.  Disconnect the intake air temperature sensor con-

nector.

3.  Disconnect the air intake tube from the throttle

body.

4.  Disconnect the breather tube from the valve cover.

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DOHC ENGINE MECHANICAL

DAEWOO V–121 BL4

5.  Remove the air filter housing bolts.
6.  Remove the air filter housing.
7.  Remove the right front wheel. Refer to Section 2E,

Tires and Wheels.

8.  Remove the right front splash shield.

9.  Remove the serpentine accessory drive belt. Refer

toSection 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.

DOHC ENGINE MECHANICAL  1C – 33

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 valve cover or damage to the engine could result.

16.  Align the camshaft gears with the notch on the

valve 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

hexkey tab to relieve belt tension.