Daewoo Matiz M100/M150 general information (Daewoo Matiz since 1998)
CHECKING THE CAR BEFORE DEPARTURE
To ensure traffic safety and increase the service life of the vehicle, it is necessary to carry out an external and internal inspection of the vehicle before leaving.
We check outside the car:
tire air pressure, lack of mechanical damage and degree of tire wear;
tightening the wheel nuts;
serviceability of lighting and alarm devices;
no traces of leakage of oil, coolant, fuel and brake fluid.
IN engine compartment check:
engine oil level;
oil level in automatic transmission gears;
coolant level in expansion tank cooling systems;
brake fluid level in the main reservoir brake cylinder;
level working fluid in the power steering reservoir;
fluid level in the windshield washer reservoir and tailgate glass;
tension and condition of drive belts auxiliary units;
state battery(no electrolyte leaks, mechanical damage), reliability of fastening of the battery and wire terminals to its terminals.
Inside the car we check:
serviceability of the vacuum brake booster;
lever stroke parking brake;
operation of brake, clutch and gearbox drives;
serviceability sound signal;
serviceability of windshield and tailgate glass cleaners and washers;
serviceability of direction indicators;
serviceability of instrumentation;
fuel level in the tank;
adjusting rear view mirrors;
serviceability of door locking mechanisms.
CHECKING THE CONDITION AND REPLACING SPARK PLUGS
Checking the condition and replacing spark plugs is shown on the 1.0 liter engine. Checking and replacing spark plugs on a 0.8 liter engine is carried out in the same way. We carry out the work on a not warmed up engine. When replacing spark plugs of the third and fourth cylinders (on a 1.0 l engine), to access them you need to remove the air intake assembly with the resonator. Clean off dirt and blow with a jet compressed air(for example, a tire pump) cylinder head wells in which the spark plugs are installed.
To unscrew the spark plug, it is advisable to use a high “21” head (with a rubber holder that helps remove the spark plug from the well) with an outer diameter of no more than 27 mm. Remove the tip high voltage wire from the spark plug of the first cylinder. Using a high “21” head with an extension, we turn the spark plug out and take it out of the well. Cover the well with a clean rag to prevent dirt from getting into it. Similarly, we turn out the spark plugs of other cylinders. We check the condition of the spark plugs. A thick layer of carbon deposits on the electrodes and insulator of the spark plug leads to current leakage, a decrease in spark energy and rapid failure of the spark plug.
The reasons for increased carbon formation on spark plugs can be different: the use of engine oil and fuel Low quality, not optimal gap between spark plug electrodes, increased wear cylinder-piston group, engine valve oil seals, etc. If necessary, use a soft metal brush to remove carbon deposits from the electrodes and spark plug insulator.
The appearance of reddish deposits on the insulator and electrodes of the spark plug is explained by the excess concentration of metal-containing additives in the fuel, which are added to it to increase detonation resistance. In this case, the spark plug, as a rule, quickly fails - traces of spark “breakdowns” are visible on its insulator. If the gap does not meet the standard, carefully bending or bending the side electrode, we achieve the required gap size. A faulty spark plug leads to failure of the catalytic converter.
When installing a spark plug, first screw it in by hand using a socket and an extension so as not to damage the threads of the spark plug hole. If the spark plug does not follow the thread, then when screwing it in you will feel a lot of resistance. In this case, it is necessary to completely unscrew the spark plug and screw it back on again, paying attention to the absence of distortion and the correct entry of the first turns of the thread. Finally tighten the spark plug to a torque of 20 Nm.
Over-tightening the spark plugs may damage the threads. spark plug holes cylinder heads!
Repair and Maintenance Daewoo Matiz. Daewoo Matiz (from 1997)
Large rounded Windshield smoothly continues into the hood, opening up a magnificent view. The convex lines of the hood emphasize the high aerodynamic properties of the car. The door line, which extends horizontally along the sides of the car, highlights the hood. Aerodynamic side-view mirrors fit well into the design. Integrated flared wheel fenders provide a sense of power.
The Matiz has a surprisingly spacious interior for the mini class. The driver's seat leaves a pleasant impression. The small steering wheel fits well in the hands, a comfortable seat with wide range adjustments, all controls are accessible, instrument readings are easy to read, visibility forward, backward and through the rear-view mirrors is excellent. There is also a comfortable support pedal for the driver's left foot. The interior is insulated from engine noise.
"Matiz" is equipped with a 0.8 SOHC MPI three-cylinder petrol engine with a distributed injection fuel, cylinder displacement - 0.8 l. 50 hp The engine has excellent performance and high efficiency. MPI (Multiple Port Injection) system is computer controlled and provides high power and fuel economy.
The body is designed to achieve minimal crumple zones in the event of damage, which is achieved by a reinforced roof and load beams built into the doors, which prevent them from jamming and provide passengers with increased protection in the event of damage. side impact. In the event of a vehicle rollover, the high-tech plastic fuel tank prevents fuel leakage and subsequent fire.
The site provides an illustrated manual for the design, maintenance, operation and repair of a Daewoo Matiz car with 0.8i and 1.0i engines.
The manual covers the design, maintenance and repair of a Daewoo Matiz car with a 0.8 three-cylinder engine and a 1.0 four-cylinder engine. Described in detail possible malfunctions, their causes and solutions. Maintenance operations are presented in color photographs and provided with detailed comments.
Information is also provided with recommendations for the use of lubricants and technical fluids used in the car, electrical circuits and useful tips.
general characteristics Daewoo engine Matiz
Neither a 0.8 liter engine nor a liter unit special problems they don't deliver. Until 2002, Matiz was offered only with a 0.8 liter 3-cylinder engine, then a liter version appeared.
Spark plugs last approximately 20 thousand. Every 40 thousand km it is recommended to replace the timing belt. A couple of years ago the service interval for this operation was 60 thousand. However, the plant was on the safe side, since violation of the regulations more than once led to the belt breaking and, and this threatens a costly repair.
In conditions of high humidity, the generator may fail. Most often it fails diode bridge, although in general the standard Delphi and Mando generators are considered reliable. The automaker and dealers do not recommend replacing them with Valeo, despite the widespread belief that the latter are more reliable.
Until 2008, Daewoo Matiz cars with a 0.8 liter engine were equipped with a rather capricious ignition distributor with an electromagnetic sensor, which often failed after washing the engine. Since the end of 2008, with the transition to Euro 3, the plant has been installing reliable electronic ignition modules on these engines, which have proven themselves well on liter versions. There are complaints about interruptions in engine operation with relatively low mileage - about 20 thousand km. As a rule, such a symptom on Daewoo Matiz indicates the need to replace the position sensor throttle valve. According to 2010 statistics, this malfunction accounts for 17% of the total number of service calls (data from a survey of dealers).
The service life of the Daewoo Matiz gearbox, according to statistics from technical centers, is about 150 thousand km. Any box can easily withstand this mileage - and automatic Jatco, and more familiar “mechanics”. Most of the transmission parts do not cause serious complaints. For example, gearbox seals may require replacement only after five to six years of operation. Co Daewoo clutch Matiz is also good - kit (disc, basket, release bearing) nurses 70–80 thousand km. It's just that the shutdown cable has failed - it often wears out at 40-50 thousand.
Front and rear suspension Daewoo Matiz
On chassis Daewoo Matiz inevitably influence climatic features our northern regions, reagents on the roads major cities V winter time. In Moscow, St. Petersburg and north of these latitudes, chassis components exposed to salt are prone to premature wear. Under normal conditions, the service life of tapered roller bearings is 40–60 thousand km, ball joints - up to 70 thousand km; shock absorbers, steering rods with ends and stabilizer bushings - about 100 thousand km. But cold winters in the northern regions can reduce these figures by up to 1.5 times.
Steering
Steering Daewoo Matiz rack and pinion with hydraulic booster. The Matiz is controlled simply and clearly, but you shouldn’t get carried away in corners - the car, as a result of its design features prone to capsize
Brake system Daewoo Matiz
Daewoo Matiz brakes with powerful seven-inch vacuum boosters guarantee a quick stop of the car when emergency braking. Front disc brakes, rear brakes drum Most owners may be concerned about the heating switch rear window. The fact is that a power relay is not provided in the circuit, so automatic shutdown does not occur. The driver forgets to turn it off in a timely manner. As a result, the contacts burn out and the switch has to be replaced. The plant plans to eliminate this problem soon.
The engine has a displacement of 1.0 liters (model 81051) - gasoline, four-stroke, four-cylinder, in-line, eight-valve, located transversely on the front of the car. Upper drive camshaft carried out by a toothed belt from the crankshaft. The operating order of the cylinders is: 1-3-4-2, counting from the crankshaft pulley. The engine, gearbox and clutch form power unit, fixed in the engine compartment on four elastic rubber-metal supports. The left support is attached to the gearbox through a bracket, and the right, front and rear - to the engine cylinder block.
On the right side of the engine (along the direction of the car) are located: camshaft and coolant pump drives - by a toothed belt; generator, power steering pump and air conditioning compressor (if equipped) with poly-V belts. On the left are: a thermostat, coolant temperature sensors (for the temperature indicator in the instrument cluster and the engine management system) and an exhaust gas recirculation valve with an oxygen concentration sensor and catalytic converter exhaust gases, oil level indicator, oil filter(bottom right), crankshaft position sensor, spark plugs and high-voltage wires.
Behind: inlet pipe And throttle assembly, fuel rail with injectors, oil pressure sensor (bottom), generator (bottom right) and starter (bottom left). The ignition coil assembly is attached to the cylinder head cover. The engine cylinder block is cast from cast iron, the cylinders are bored into the block. At the bottom of the cylinder block there are five crankshaft main bearing supports with removable caps that are bolted to the block. The holes for the bearings are machined together with the covers, so the covers are not interchangeable and are marked to distinguish them.
The pistons are made of aluminum alloy. The piston skirt is conical in longitudinal section and oval in cross section. On the upper part of each piston, near the bottom, there are annular grooves in which piston rings are installed: two compression rings (prevent gases from breaking through into the engine crankcase and remove heat from the piston to the cylinder) and one oil scraper ring (removes excess engine oil from the cylinder walls). Piston pins are steel, tubular section, “floating” type. Connecting rods - steel, I-section, processed together with covers connecting rod bearings. Steel crankshaft has five main and four connecting rod journals and is equipped with counterweights cast integrally with the shaft. To supply oil from the main journals to the connecting rod journals crankshaft channels are completed. The axial movement of the crankshaft is limited by thrust half-rings installed in the grooves of the third main bearing support.
The crankshaft main and connecting rod bearing shells are made of steel, with an anti-friction working surface made of an aluminum and tin alloy. Mounted on the toe of the crankshaft toothed pulley camshaft drive and a double pulley for driving auxiliary units: a generator (by one poly-V-belt), a power steering pump and an air conditioning compressor (by another V-belt). The crankshaft pulley is composite: the outer and inner parts are connected by a rubber insert (damper) for damping torsional vibrations crankshaft. A flywheel cast from cast iron is attached to the crankshaft flange with six bolts. A steel ring gear is pressed onto the flywheel, which serves to start the engine with a starter. The cylinder head is cast from aluminum alloy. A non-shrinkable metal-reinforced gasket is installed between the block and the head, the reuse of which after removing the block head is not allowed. In the upper part of the heads and cylinder block there are five support camshaft. The shaft has eight cams to drive the valves.
Valve seats and guides are pressed into the cylinder head. An oil deflector cap made of oil-resistant rubber with steel fittings is installed on top of the guide sleeve of each valve. Valves are steel. Plate area intake valve larger than the graduation area. The valves are actuated (opened) by the camshaft lobes via rocker arms. Adjustment of thermal clearances in the valve drive is carried out in accordance with the vehicle maintenance regulations. Each valve closes under the action of one spring. Its lower end rests on the washer, and its upper end rests on a plate held by two crackers. The folded crackers on the outside have the shape of a truncated cone, and on them internal surfaces a shoulder is also made to hold it on the valve stem.
The engine lubrication system is combined: under pressure and splashing. The pressure in the system is created by a pump with gears and internal gearing. All oil from the pump passes through a full-flow oil filter equipped with bypass and anti-drain valves. Drive gear oil pump installed on the toe of the crankshaft. The pump takes oil from the oil pan through the oil receiver and delivers it through the filter to the main oil line, from which oil channels to the crankshaft main bearings. From the main oil line (via a vertical channel in the cylinder block), oil is supplied to the cylinder head to lubricate the valve rocker axes and camshaft bearings. The oil drains from the cylinder head through vertical drainage channels into the oil pan. On the cylinder walls, to piston rings and the fingers are supplied with oil by splashing. The remaining components are lubricated by gravity.
In the engine lubrication system it is permissible to use only engine oil with parameters (viscosity and quality level) recommended by the vehicle manufacturer. It is not allowed to operate the engine with reduced level oils and mixing different types of oil in the crankcase: this leads to failure of engine parts and expensive repairs. The crankcase ventilation system is forced, closed, with gas extraction through an oil separator located in the cylinder head cover.
A book from a series of multicolor illustrated manuals on how to repair cars on your own. The manual covers the device, maintenance and repair Daewoo cars Matiz with a 0.8 liter three-cylinder engine and four-cylinder engine volume 1.0 l. Possible malfunctions, their causes and solutions are described in detail. Maintenance and repair operations are presented in color photographs and provided with detailed comments. The Appendices provide tools lubricants, operating fluids, lamps, as well as electrical circuit diagrams and tightening torques threaded connections. The book is intended for drivers who repair the car themselves, as well as for service station workers.
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