Daewoo Nubira. Manual - part 105

GENERAL INFORMATION  0B – 25

DAEWOO V–121 BL4

0B – 26

I

GENERAL INFORMATION

DAEWOO V–121 BL4

Vehicle Lifting Points

 

SECTION : 1C

DOHC ENGINE MECHANICAL

CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will help
prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise noted.

TABLE OF CONTENTS

SPECIFICATIONS

1C–2

. . . . . . . . . . . . . . . . . . . . . . . . . . 

ENGINE SPECIFICATIONS

1C–2

. . . . . . . . . . . . . . . . . 

FASTENER TIGHTENING 

SPECIFICATIONS

1C–4

. . . . . . . . . . . . . . . . . . . . . . . 

SPECIAL TOOLS

1C–6

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

SPECIAL TOOLS TABLE

1C–6

. . . . . . . . . . . . . . . . . . . 

COMPONENT LOCATOR

1C–8

. . . . . . . . . . . . . . . . . . . . 

UPPER END

1C–8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

LOWER END

1C–10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

MAINTENANCE AND REPAIR

1C–12

. . . . . . . . . . . . . . 

ON–VEHICLE SERVICE

1C–12

. . . . . . . . . . . . . . . . . . . . 

VALVE COVER

1C–12

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

CYLINDER HEAD AND GASKET

1C–14

. . . . . . . . . . . 

CAMSHAFTS

1C–24

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

TIMING BELT CHECK AND ADJUST

1C–27

. . . . . . . 

TIMING BELT

1C–31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

OIL PAN

1C–36

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

OIL PUMP

1C–39

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

ENGINE MOUNT

1C–44

. . . . . . . . . . . . . . . . . . . . . . . . . 

INTAKE MANIFOLD

1C–46

. . . . . . . . . . . . . . . . . . . . . . 

EXHAUST MANIFOLD

1C–49

. . . . . . . . . . . . . . . . . . . . 

CAMSHAFT GEARS

1C–51

. . . . . . . . . . . . . . . . . . . . . . 

REAR TIMING BELT COVER

1C–53

. . . . . . . . . . . . . . 

ENGINE

1C–55

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

PISTONS AND RODS

1C–63

. . . . . . . . . . . . . . . . . . . . 

UNIT REPAIR

1C–68

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

CYLINDER HEAD AND VALVE TRAIN

COMPONENTS

1C–68

. . . . . . . . . . . . . . . . . . . . . . . . 

CRANKSHAFT

1C–77

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

CRANKSHAFT BEARINGS AND 

CONNECTING ROD BEARINGS – 
GAUGING PLASTIC

1C–88

. . . . . . . . . . . . . . . . . . . . 

GENERAL DESCRIPTION AND SYSTEM

OPERATION

1C–91

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

CYLINDER HEAD AND GASKET

1C–91

. . . . . . . . . . . 

CRANKSHAFT

1C–91

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

TIMING BELT

1C–91

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

OIL PUMP

1C–91

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

OIL PAN

1C–91

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

EXHAUST MANIFOLD

1C–91

. . . . . . . . . . . . . . . . . . . . 

INTAKE MANIFOLD

1C–91

. . . . . . . . . . . . . . . . . . . . . . 

CAMSHAFTS

1C–91

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

1C – 2

I

DOHC ENGINE MECHANICAL

DAEWOO V–121 BL4

SPECIFICATIONS

ENGINE SPECIFICATIONS

Application

Description (Manual and Automatic)

General Data:

Engine Type

4–Cylinder (in–line)

Displacement

1,998 cm

3

 (121.92 in

3

)

Bore Stroke

86 x 86 mm (3.38 in. x 3.38 in.)

Compression Ratio

9.6 

µ

0.2 :1

Firing Order

1–3–4–2

Cylinder Bore:

Diameter

85.995~86.485 mm (3.3856~3.4049 in.)

Out of Round (Maximum)

0.013 mm (0.0005 in.)

Taper (Maximum)

0.013 mm (0.0005 in.)

Piston:

Diameter

85.955–86.485 mm (3.384–3.404 in.)

Clearance to Bore

0.0100~0.0300 mm (0.00039~0.00110 in.)

Piston Protrusion

0.5 mm (0.019 in.) Maximum

Piston Taper

0.013 mm (0.0005 in.)

Piston Rings:

Ring, End Gap, Top Compression

0.3~0.5 mm (0.011~0.019 in.)

Ring, End Gap, Second Compression

0.3~0.5 mm (0.011~0.019 in.)

Piston Pin:

Diameter

20.9970~20.9985 mm (0.82665~0.82671 in.)

Pin Offset

0.8 mm (0.03 in.) Toward Thrust Side

Clearance: In Piston

0.0035~0.0140 mm (0.00013~0.00055 in.)

Clearance: In Rod

Interference Fit in Rod

Length

61.5 mm (2.42 in.)

Camshaft:

Lift – Intake

10.0 mm (0.39 in.)

Lift – Exhaust

10.0 mm (0.39 in.)

End Play

0.040~0.144 mm (0.0015~0.0056 in.)

Bearing Journal OD

42.455~43.470 mm (1.6714~1.7114 in.)

Crankshaft:

Main Journal
Diameter (All)

57.974~57.995 mm (2.2824~2.2832 in.)

Out of Round (Maximum)

0.003 mm (0.0001 in.)

Main Bearing Clearance (All)

0.015–0.061 mm (0.00059~0.00239 in.)

Crankshaft End Play

0.070~0.302 mm (0.0027~0.0118 in.)

Service Oversize

Available in 2 sizes

0.25 mm and 9.50 mm (0.0098~0.0196 in.)