GENERAL ENGINE INFORMATION 1A–3
DAEWOO M-150 BL2
COMPONENT LOCATOR
ENGINE COMPARTMENT (TYPICAL)
(Left–Hand Drive Shown, Right–Hand Drive Similar)
D102A401
1 Power Steering Oil Reservoir
2 Coolant Reservoir
3 Canister
4 Canister Solenoid
5 Manifold Absolute Pressure (MAP) Sensor
6 Intake Manifold
7 Ignition Coil
8 Idle Air Control (IAC) Valve
9 Throttle Position (TP) Sensor
10 Throttle Body
11 Brake Fluid Reservoir
12 Wiper Motor13 Battery
14 Fuse Box
15 Air Cleaner Housing
16 Resonator
17 PCV Hose
18 Distributor
19 Exhaust Manifold
20 Snorkel
21 Engine
22 Washer Fluid Reservoir
23 Oil Level Gauge
24 Oil Filler Cap
1A–4 GENERAL ENGINE INFORMATION
DAEWOO M-150 BL2
ENGINE COMPARTMENT (EURO III)
(Left–Hand Drive Shown, Right–Hand Drive Similar)
MAA1A010
1 Power Steering Oil Reservoir
2 Coolant Reservoir
3 Canister Purge Solenoid
4 Manifold Absolute Pressure (MAP) Sensor
5 Intake Manifold
6 Throttle Position (TP) Sensor
7 Throttle Body
8 Idle Air Control (IAC) Valve
9 Brake Fluid Reservoir
10 Wiper Motor11 Battery
12 Fuse Box
13 Air Cleaner Housing
14 Resonator
15 Electronic Ignition System Ignition Coil
16 Exhaust Manifold
17 Snorkel
18 Engine
20 Washer Fluid Reservoir
19 Oil Level Gauge
21 Oil Filler Cap
GENERAL ENGINE INFORMATION 1A–5
DAEWOO M-150 BL2
DIAGNOSTIC INFORMATION PROCEDURE
GENERAL DIAGNOSIS
Condition
Probable cause
Correction
Hard Starting (WithMalfunction ofFaulty fuse.Replace the fuse.
normal cranking)Ignition SystemFaulty spark plug.Clean, adjust the plug gap or
replace.
Electric leakage at the high
tension cable.Replace the cable.
Poor connection of the high
tension cable or lead wires.Replace the cable or wires.
Worn distributor cap or
accumulated carbon in the
distributor cap.Replace or clean the
distributor cap.
Damaged distributor rotor or
cap.Replace the rotor or the cap.
Improper ignition timing.Adjust the ignition timing.
Faulty ignition coil.Replace the ignition coil.
Malfunction of FuelLock of fuel in the fuel tank.Feed the fuel.
SystemDirty or clogged fuel filter.Replace the filter.
Clogged fuel pipe.Clean the fuel pipe.
Malfunction of the fuel pump.Replace the fuel pump.
Malfunction of the fuel
injector.Replace the injector.
The foreign material in the
fuel tank.Clean the fuel tank.
Decline of
CompressionPoor tightening spark plug.Tighten to the specified
torque.
PressureCracked cylinder head
gasket.Replace the gasket.
Inadequate the valve
clearance.Adjust the clearance.
Leakage of the valve
clearance.Repair the valve.
Interference of the valve
stem.Replace the valve or the
valve guide.
Low elasticity or damage of
the valve spring.Replace the valve spring.
Abnormal interference of
pistons and cylinders.Replace the piston ring.
Excessive wear of pistons,
rings, or cylinders.Replace the ring or the
piston and boring or replace
the cylinder.
GENERAL ENGINE INFORMATION 1A–7
DAEWOO M-150 BL2
GENERAL DIAGNOSIS (Cont’d)
Condition Probable cause Correction
Rough Engine IdlingMalfunction of
Ignition SystemLoosening or damage of the
distributor rotor or cap.Replace the rotor or cap.
Poor ignition timing.Adjust the ignition timing.
Malfunction of the ignition
coil.Replace the ignition coil.
OthersClogged or contaminated air
cleaner element.Clean or replace the air
cleaner element.
Leak of the intake manifold
gasket.Replace the gasket.
Malfunction of Positive
Crankcase Ventilation (PCV)
valve.Check the valve or replace it
if needed.
Poor connection or damage
or leakage of the vacuum
hose.Connect the hose correctly
or replace it.
Engine Hesitate (Upon
pressing accelerating
pedal, the engineDecline of
Compression
PressureRefer to “Page 1A–5”.Refer to “Page 1A–5”.
makes delayed
response. ThisMalfunction ofPoor ignition timing.Adjust the ignition timing.response. This
situation is remarkable
when cruising orIgnition SystemPoor spark plug or poor
adjustment of the plug gap.Replace the plug or adjust
the gap.
starting.)Electric leakage or poor
connection of the high
tension cable.Connect the cable correctly
or replace it.
OthersMalfunction of the air cleaner
system.Clean or replace the air
cleaner system.
Leak of the intake manifold
gasket.Replace the gasket.
Engine Surging
(Engine power makes
fluctuation in a fixedDecline of
Compression
PressureRefer to “Page 1A–5”.Refer to “Page 1A–5”.
speed and speed
changes withoutMalfunction ofClogged fuel pipe.Clean the pipe.changes without
operating the
accelerating pedal.)Fuel SystemClogged or contaminated
fuel filter.Replace the filter.
Malfunction of the fuel
pressure regulator.Replace the fuel pressure
regulator.
Malfunction of
Ignition SystemMalfunction of the spark
plug.Adjust or replace the spark
plug.
Electric leakage or poor
connection of the high
tension cable.Connect the cable correctly
or replace it.
Worn distributor cap terminal
or accumulated carbon in
the distributor cap.Clean or replace the
distributor cap.
Loosening or damage of the
distributor rotor or the cap.Replace the distributor rotor
or the cap.
Poor ignition timing.Adjust the ignition timing.
1A–8 GENERAL ENGINE INFORMATION
DAEWOO M-150 BL2
GENERAL DIAGNOSIS (Cont’d)
Condition
Probable cause
Correction
Engine Surging
(Engine power makes
fluctuation in a fixedOthersLeak of the intake manifold
gasket.Clean or replace the gasket.
speed and speed
changes without
operating the
accelerating pedal.)Leakage of the vacuum hose.Connect the hose correctly
or replace it.
Excessive Detonation
(According to theOverheated
EngineRefer to “Overheat” in this
page.Refer to “Overheat” in this
page.
opening range of
throttle valve,Malfunction ofAbnormal spark plug.Replace the spark plug.
knocking sound of
metallic is made withIgnition SystemPoor ignition timing.Adjust the ignition timing.metallic is made with
abnormal explosion.)
Electric leakage or poor
connection of the high tension
cable.Connect the cable correctly
or replace it.
Malfunction of
Fuel SystemClogged or contaminated fuel
filter and fuel pipe.Clean or replace the fuel
filter and the fuel pipe.
OthersLeak of the intake manifold
gasket.Replace the gasket.
Excessive carbon deposit due
to abnormal combustion.Remove the carbon.
OverheatMalfunction ofLack of coolant.Refill coolant.
Cooling SystemMalfunction of the thermostat.Replace the thermostat.
Malfunction of the cooling fan.Check or replace the cooling
fan.
Poor water pump
performance.Replace the pump.
Clogged or leaky radiator.Clean, repair or replace the
radiator.
Malfunction of
LubricationPoor engine oil.Replace engine oil with the
specified one.
SystemBlocking oil filter or strainer.Clean or replace the oil filter
or the strainer.
Lack of engine oil.Refill oil.
Poor oil pump performance.Replace or repair the pump.
Leakage of oil.Repair.
OtherDamaged cylinder head
gasket.Replace the gasket.
Poor Fuel
ConsumptionDecline of
Compression
PressureRefer to “Page 1A–5”.Refer to “Page 1A–5”.
Malfunction of
Fuel SystemLeakage of the fuel tank or
the fuel pipe.Repair or replace the fuel
tank or the fuel pipe.
GENERAL ENGINE INFORMATION 1A–9
DAEWOO M-150 BL2
GENERAL DIAGNOSIS (Cont’d)
Condition Probable cause Correction
Poor FuelMalfunction ofImproper ignition timing.Adjust the ignition timing.
ConsumptionIgnition SystemAbnormal spark plug
(Excessive carbon deposit,
inadequate gap, burnt
electrode).Replace the plug.
Electric leakage or poor
connection of the high
tension cable.Connect the cable normally
or replace it.
Malfunction of
Cooling SystemMalfunction of the
thermostat.Replace the thermostat.
OthersImproperly installed valve.Repair or replace the valve.
Slipping clutch.Repair or replace the clutch.
Low pressure of tires.Adjust the pressure of tires.
ExcessiveLeakage ofLoosened oil drain plug.Tighten the plug.
Consumption of
Engine OilEngine OilLoosened oil pan bolt.Tighten the bolt.Engine Oil
Loosened oil filter.Tighten the filter.
Loosened oil pressure
switch.Tighten the switch.
Leakage of camshaft front oil
seal.Replace the seal.
Leakage of crankshaft front
oil seal.Replace the seal.
Leakage at the cylinder head
cover gasket.Replace the gasket.
Damage of the cylinder head
gasket.Replace the gasket.
Oil Mixing in
CombustionStuck piston ring.Remove carbon and replace
the ring.
ChamberWorn piston or cylinder.Replace the piston or the
cylinder.
Worn piston ring or ring
groove.Replace the piston or ring.
Inadequate position of the
piston ring cutting part.Adjust the position.
Abrasion or damage of the
valve system.Replace the valve system.
Low Oil PressureMalfunction of
LubricationInadequate oil viscosity.Replace with the specified
one.
SystemLoosening of the oil pressure
switch.Tighten the switch.
Lack of engine oil.Refill oil.
Blocking oil strainer.Clean the strainer.
1A–10 GENERAL ENGINE INFORMATION
DAEWOO M-150 BL2
GENERAL DIAGNOSIS (Cont’d)
Condition Probable cause Correction
Low Oil PressureMalfunction of
LubricationLowered function of the oil
pump.Replace the pump.
SystemAbrasion or damage of the
oil pump relief valve.Replace the valve.
Engine NoiseValve NoiseInadequate valve clearance.Adjust the valve clearance.
Abrasion of valve stem or
guide.Replace the valve stem or
the guide.
Weak valve spring.Replace the spring.
Piston, Ring,
Cylinder NoiseAbrasion of the piston, the
ring or the cylinder.Boring the cylinder or
replace the piston, the ring
or the cylinder.
Connecting Rod
NoiseAbrasion of the connecting
rod bearing.Replace the bearing.
Loosened the connecting rod
nut.Tighten to the specified
torque.
Crankshaft
NoiseAbrasion of the crankshaft
bearing.Replace the bearing.
Abrasion of the crankshaft
journal.Grind or replace the
crankshaft journal.
Loosened bearing cap bolt.Tighten to the specified
torque.
Excessive clearance of the
crankshaft thrust bearing.Adjust or replace.
Low oil pressure.Refer to “Low Oil Pressure”
in this section.
1A–14 GENERAL ENGINE INFORMATION
DAEWOO M-150 BL2
SPECIFICATIONS
GENERAL SPECIFICATIONS
Application Description
Maximum Speed 144 km/h (90 mph)
Vehicle Capacity Gradeability 0.420 tan θ
Vehicle Capacity
Minimum Turning Radius 4.5 m (14.8 ft)
Bore × Stroke 68.5 × 72.0 mm (2.70 × 2.83 inch)
Displacement 796 cm3 (48.6 in3)
Compression Ratio 9.3 : 1
Maximum Power 37.5 KW (6,000 rpm)
Engine Information
Maximum Torque 68.6 Nm (50.59 lb-ft) (at 4,600 rpm)
Ignition Timing (Ignition Sequence)5 BTDC (1–3–2) / 10 BTDC (1–3–2)
Air Conditioning System (ON)
1,000 ± 50 rpm Idle Speed Air Conditioning System (OFF) 950 rpm Engine Overhead Cam L–3
Ignition Type
Direct Ignition System (DIS) /
High Energy Ignition (HEI)
Distributor Optical Sensor Type
Starter SD 80
Unleaded BPR5EY–11, RN9YC4, WR8DCX
Spark–Plug Leaded BPR5EY, RN9YC, WR8DC
Fuel Injection Type MPI
Fuel Pump Electric Motor Pump
Engine Part TypeFuel FilterCartridge Engine Part Type
Lubricating Type
Forced Feed Type Oil Pump Rotary Pump Type Cooling Type Forced Water Circulation Radiator Cross – Flow Water Pump Centrifugal Thermostat Pellet Type
Air Cleaner Element Non Woven Fablic
Muffler Catalytic Converter, Closed Circuit
Battery MF
Engine PartEngine OilSJ Grade
SAE 5W30, SAE 10W30, SAE 15W40
CapacityRefrigerantFour Seasons
Engine Disassembly
3.0 L (3.17 qt) Oil Change (Including filter) 2.7 L (2.85 qt) Engine Oil Oil Change (Not including filter) 2.5 L (2.64 qt) Oil Level Gauge 1 L (1.06 qt) (MIN to MAX) Coolant 3.8 L (4.02 qt) Engine Information Battery 12V–35 AH, 246 CCA
Engine Information
Generator
65 A
Starter 0.8 kW
Output Capacity 90 – 133 Lph
Fuel Pump Output Pressure 380 kPa (55.1 Psi)
Fuel Tank Capacity 35 L (9.2 gal), 38 L (10 gal)