DAEWOO LACETTI 2004 Service Workshop Manual

1C1 – 8I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
KM–805
Valve Guide
Reamer
KM–412
Engine Overhaul
Stand
KM–498–B
Pressure Gauge
KM–635
Crankshaft Rear Oil
Seal Installer
J–36792
Crankshaft Rear Oil
Seal Installer
KM–135
Adapter

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 9
DAEWOO V–121 BL4
COMPONENT LOCATOR
CYLINDER HEAD
1. Oil Filler Cap
2. Engine Cover
3. Camshaft Cover
4. Camshaft Cover Gasket
5. Camshaft Cover Bolt
6. Hydraulic Tappet Adjuster
7. Valve Key
8. Valve Spring Cap
9. Valve Spring
10. Valve Stem Seal
11. EGR Vaccum Hose
12. EGR Valve
13. EGR Valve Gasket
14. EGR Valve Adaptor
15. EGR Valve Adaptor Gasket16. Cylinder Head
17. Front Camshaft Cap
18. Valve Guide
19. Plug
20. Freeze Plug
21. Oil Duct Cap
22. Intake Valve
23. Exhaust Valve
24. Cylinder Head Gasket
25. Engine Coolant Temperature Sensor
26. Heat Take Off Pipe
27. Camshaft
28. Camshaft Seal
29. Thermostat

1C1 – 10I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
CYLINDER BLOCK

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 11
DAEWOO V–121 BL4
1. Piston Ring Set
2. Piston
3. Piston Pin
4. Connecting Rod
5. Connecting Rod Bearing Set
6. Oil Level Gauge Stick
7. Gauge Stic Tube
8. Sleeve
9. Clutch Housing Sleeve
10. Cylinder Block
11. Plug
12. Gap
13. Bypass Valve
14. Connecting Piece
15. Oil Filter
16. Oil Pump Body Gasket
17. Water Inlet Neck
18. Knock Sensor
19. Fly Wheel (M/T)
20. Flexible Plate (A/T)
21. Shaft Seal Ring
22. Crank Shaft Upper Bearing Set
23. Crank Shaft24. Crank Shaft Lower Bearing Set
25. Transmitter Disc
26. Crankshaft Bearing Cap
27. Oil Pan
28. Threaded Ring
29. Washer
30. Oil Pan Drain Plug
31. Oil Pump
32. Oil Pump Cover
33. Oil Pump Inner Rotor
34. Oil Pump Outer Rotor
35. Oil Pump Plug
36. Shaft Sealing
37. Pressure Relief Valve Plunger
38. Relief Valve Spring
39. Sealing
40. Relief Valve
41. Oil Pressure Switch
42. Sleeve
43. Oil Suction Pipe Bracket
44. Oil Suction Pipe
45. Sealing

1C1 – 12I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
INTAKE & EXHAUST MANIFOLD
1. Oxygen Sensor
2. Heat Shield
3. Exhaust Manifold
4. Exhaust Manifold Gasket
5. Intake Manifold
6. Main Throttle Idle Actuator (MTIA) Gasket
7. MTIA
8. Clamp9. Intake Air Tube
10. Breethe Hose
11. Aircleaner Assembly
12. Aircleaner Upper Hosing
13. Aircleaner Eliment
14. Aircleaner Lower Housing
15. Resoinator
16. Air Intet Hose

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 13
DAEWOO V–121 BL4
TIMING BELT
1. Water Pump Sealing
2. Water Pump
3. Timing Belt Rear Cover
4. Camshaft Position Sensor
5. Auto Temsioner
6. Camshaft Gear
7. Idler pulley8. Crankshaft Gear
9. Torque Roll Axis Support
10. Timing Belt
11. Timing Belt Front Upper Cover
12. Timing Belt Front Lower Cover
13. Crankshaft Pulley
14. Crankshaft Position Sensor

1C1 – 14I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
ENGINE MOUNTING
1. Rear Power Unit Damping Block
2. Rear Transaxle Mounting Bracket (A/T)
3. Rear Transaxle Mounting Bracket (M/T)
4. Transaxle Mounting Cage
5. Transaxle Mounting Bracket (M/T)6. Transaxle Mounting Bracket (A/T)
7. Engine Undercover
8. Hydro Mounting
9. Engine Mounting Bracket

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 15
DAEWOO V–121 BL4
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE
ENGINE COVER
Removal Procedure
1. Remove the bolts and nuts from the engine cover.
2. Remove the engine cover.
Installation Procedure
1. Position the engine cover on the engine.
2. Install the engine cover bolts and nuts.
Tighten
Tighten the engine cover bolts and nuts to 10 NSm(89
lb–ft).
CAMSHAFT COVER
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the engine cover. Refer to ”Engine” in this
section.
3. Remove the breather hose, ventilation hose and
cam position sensor wiring connector from the cam-
shaft cover.

1C1 – 16I1.4L/1.6L DOHC ENGINE MECHANICAL
DAEWOO V–121 BL4
4. Remove the ignition wires from the spark plug.
5. Remove the camshaft cover bolts and camshaft
cover.
6. Remove the camshaft cover gasket.
Installation Procedure
1. Install the camshaft cover gasket on the camshaft
cover.
2. Position the camshaft cover on the engine block.
3. Install the camshaft cover bolts.
Tighten
Tighten the camshaft cover bolts to 10 NSm(89 lb–ft).
4. Install the ignition wires to the spark plugs and con-
nect the breather hose, ventilation hose and cam
position sensor wiring connector to the canshaft
cover.
5. Install the engine cover.
6. Connect the negative battery cable.
INTAKE MANIFOLD
Removal Procedure
1. Remove the fuel pump fuse.
2. Start the engine. After it stalls, crank the engine for
10 seconds to rid the fuel system of fuel pressure.
3. Disconnect the negative battery calbe.
4. Drain the engine coolant. Refer to Section 1D, En-
gine Cooling.
5. Remove the engine cover and throttle body. Refer
to Section 1F, Engine Control.

1.4L/1.6L DOHC ENGINE MECHANICAL 1C1 – 17
DAEWOO V–121 BL4
6. Disconnect the intake manifold pressure sensor
connector, attaching bolt and vaccum hose.
7. Disconnect the intake manifold air temperature sen-
sor(MAT) connector and remove the MAT sensor.
8. Remove the intake manifold upper bracket.
9. Remove the fule rail bolt and the fuel rail.
10. Remove the all the vaccum hoses from the intake
manifold including PCV hose and brake booster
vaccum hose.
11. Remove the exhaust gas recirculation(EGR) pipe.