According to the Daewoo Matiz manual, the timing belt must be checked every 30,000 km. And its replacement needs to be done after 90 thousand. At the same time, together with the belt, it is advisable to immediately change the roller and the pump.
Necessary
- - keys set;
- - screwdrivers;
- - chisel;
- - timing belt and roller.
Instructions
Step 1
Prepare your vehicle for repairs. It is advisable to change the timing belt on the inspection pit, lift, or overpass. First of all, remove the fender from the front arch. The dimensions of the car are so small that the engine and all attachments are packed very tightly under the hood. Therefore, it is more convenient to carry out repairs with the wing removed. Now, with a 10 key, unscrew the four bolts that secure the top cover to the unit. Then remove the cover.
Step 2
Examine the belt by turning the crankshaft clockwise. See if the edge of the belt is eaten. If it has uniform wear, it indicates that it slips and clings to the roller. The reason for the slipping of the belt, as a rule, is the pump. The bearing in it fails, play appears, which is why the pump pulley tilts slightly to the side. It is advisable that when replacing the timing belt, the pump is also replaced. This will save you from too frequent repairs in the timing unit.
Step 3
Remove the dipstick that monitors the oil level. Then set the piston of the first cylinder to top dead center. There is a mark on the camshaft pulley that must be aligned with the mark on the cylinder head. In this case, the mark on the crankshaft must match the mark on the clutch block. If you look from below, in the clutch housing you will see an inspection window, through which you can see the marks on the crankshaft.
Step 4
Disconnect the accessory drive belts. First remove the belt driving the power steering pump, then remove the alternator belt. Next, unscrew the crankshaft pulley mounting bolt and remove it. To prevent the crankshaft of the Matiz engine from turning, support it with a screwdriver inserted into the viewing window of the clutch housing. You can also use a chisel if you don't have a strong screwdriver. The main thing is to fix the crankshaft in place by holding it by the teeth of the rim.
Step 5
Remove the bolt that secures the dipstick tube bracket to the engine block. Then move the tube to the side. Then unscrew the bolts securing the bottom cover and remove it. Unscrew the roller mounting bolt and turn the latter to release the belt tension. Remove the timing belt. Try not to turn the shafts, otherwise the valves will malfunction.
Step 6
Install a new belt, first check the alignment of all marks on the shafts. When changing the timing belt, be sure to install a new roller, because its service life is rather short. Turning the roller, achieve the required timing belt tension. Try not to overtighten as this will lead to quick wear. A weak tension can cause the belt to move one or two teeth. Then reassemble everything in reverse order.
