2004 DAEWOO NUBIRA Service Repair Manual

Page 97 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1C1 – 54I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
CAUTION : Use care when handling the piston. Worn
piston rings are sharp and may cause injury.
11.  Remove the piston.
12.  Use a piston

Page 98 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1.4L/1.6L DOHC ENGINE MECHANICAL  1C1 – 55
DAEWOO V–121 BL4
9.  Inspect the engine block deck surface for flatness
using a straight edge and a feeler gauge. Refer to
”Engine Specifications”  i

Page 99 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1C1 – 56I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
12.  Install a piston oil ring, the expander, then the sec-
ond piston oil ring to the bottom ring groove of the
piston.
13.  Install the

Page 100 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1.4L/1.6L DOHC ENGINE MECHANICAL  1C1 – 57
DAEWOO V–121 BL4
21.  Install the oil suction pipe.
22.  Install the oil suction pipe bolts.
Tighten
Tighten the oil suction pipe bolts to 10 NSm (89 lb

Page 101 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1C1 – 58I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
UNIT REPAIR
CYLINDER HEAD AND VALVE TRAIN
COMPONENTS
Tools Required
MKM–571–B Gauge
KM–340–0 Cutter Set
KM–340–7 Guide Drift

Page 102 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1.4L/1.6L DOHC ENGINE MECHANICAL  1C1 – 59
DAEWOO V–121 BL4
15.  Remove the direct ignition system (DIS) coil mount-
ing bolts.
16.  Remove the DIS coil with the ignition wires at-
tached.
17.  Re

Page 103 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1C1 – 60I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
35.  Remove the valves. Maintain the original position of
the valves for installation.
36.  Remove the valve stem seals.
Cylinder Head In

Page 104 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1.4L/1.6L DOHC ENGINE MECHANICAL  1C1 – 61
DAEWOO V–121 BL4
7.  Inspect the valve spring. If the valve spring ends
are not parallel, replace the valve spring.
8.  Measure the valve spring height.