2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:41
This vehicle is equipped with a timing belt drive. Thanks to the timing belt, torque is transmitted from the crankshaft to the camshaft. Due to this moment, the intake and exhaust valves open and close. Let's see how the Lacetti timing belt is replaced on our own in a garage. This experience will help save certain amounts on service in the service station.
Device and timing belt materials
In order for this element of the gas distribution mechanism to work reliably, several important conditions must be met. One of the conditions for the longevity of the belt is the proper condition of the rollers and pulleys. The element itself must be properly tensioned. Modern timing belts are made of oil/petrol resistant materials, but to increase the service life it is better to protect the product from oil, dirt and othertechnical fluids.
The product is based on fiberglass cord. Inside the cord, teeth are made of materials that are resistant to wear - most often it is nylon. Outside, this entire structure is protected by a layer of rubber up to 5 millimeters thick. Timing belts can have a variety of designs depending on specific manufacturers. The product may differ in width, number, pitch, tooth profile.
Replacement cost
It is customary to change the elements of the gas distribution mechanism at the service station. The price of replacing the Lacetti timing belt can fluctuate on average from 3 to 5 thousand rubles. For self-replacement, you will need to purchase a spare parts kit.
The kit is mainly sold, which includes not only the belt, but also the tension rollers. On average, depending on the manufacturer, the price of such a kit can vary from 3.5 to 6 thousand rubles. In the process of replacing the belt, it is also recommended to change the pump, since it is also driven by the timing belt. A stuck pump can lead to very unfortunate consequences.
How often to replace
The manufacturer recommends replacing the Lacetti timing belt every 60 thousand kilometers. But many car owners and experts advise reducing the service life of the unit. This is due to the operation of the car in difficult conditions. It is recommended to check the condition of the belt every 30 thousand kilometers.
Signs for replacement
Definethe need to replace the timing belt "Lacetti" can be on certain grounds. As soon as these symptoms begin to appear, the mechanism should be serviced immediately.
The need for replacement may be due to natural wear and tear of the material. The product wears out in the same way as the tire. A worn part can break at any time, which is fraught with bent valves. Also, a worn belt often slips under heavy loads on the engine. Therefore, it is so important to timely replace the Lacetti 1, 6 timing belt with your own hands.
Belts wear out. This happens if the pulley or tensioner has deviated from its position. This also leads to a bearing failure. Wear on the teeth can be seen as the fiberglass filaments begin to show.
Sometimes the belt rubber peels off. This is a clear sign of wear. It is recommended to inspect the back as well as the front surface of the product. If cracks are present, the part is heavily worn.
The hardened opposite surface of the part also speaks of the need for replacement. It loses its elasticity and shine. In this case, the belt loses its flexibility and does not provide proper contact with the pulleys.
Timing belts tend to lengthen. As a result, the tension roller moves. This results in reduced stiffness and overall belt tension.
On the need to replace the whole set
In order not to have to repair the engine and avoid problems, replacing the timing belt "Chevrolet Lacetti" 1, 6 is betteronly be done as a set. It's a pump and rollers. This is not required, but it is better not to save. To replace, you will need to completely disassemble the entire mechanism drive, including the rollers and the pump. Therefore, replacing consumables will not increase the time for this operation, but the life of the belt will increase.
Required tools
To work, you will need the following tools. These are socket heads for 10, 12, 14, 17, 32. You also need an adjustable stop, a hex key for 5, and a wrench for 41, pliers.
Replacing the timing belt "Lacetti" 1, 4
These models can be equipped with three ICE options. This is an F14D3 engine with a displacement of 1.4 liters and a power of 94 hp. With. There is also an F16D3 engine with a volume of 1.6, as well as an F18D3 with a volume of 1.8 liters. The first two units do not differ structurally from each other, and the last one has a slight difference. Each engine is a gasoline, in-line, four-cylinder.
The process of replacing the timing belt "Chevrolet Lacetti" 1, 4 is not particularly difficult. However, you need to work carefully and follow the instructions clearly. During the assembly process, it is very important to correctly and accurately set the marks on the pulleys. If the marks are incorrect, then at best the motor will be unstable.
The whole procedure is performed in the following order. The first step is to park the car on a level surface. Then open the hood and remove the negative terminal from the battery. Next, dismantle the bodyair filter and you can remove the drive belt. Below, a suitable support is installed under the motor and the right support is unscrewed. The last one needs to be put aside.
Next, dismantle the upper plastic belt guard, and then the lower one. The engine is turned by the camshaft bolt until the marks match. On the camshaft gears, both marks should be opposite each other. The mark on the crankshaft gear should point down.
The belt on this engine is tensioned by moving the pump housing. Turn the pump to loosen the belt. If the pump is also changing, then it is dismantled along with the belt and parasitic roller.
Then install a new belt. It is important to pay attention to the arrows that indicate the direction of movement of the belt. They should point to the right. When mounting the belt on the contrary, it can wear out intensively. Before installing a new one, it is better to check the labels again. It is convenient to tighten the belt with a 41 key, but it is not very convenient. It is better to purchase a special key.
In the process of tensioning the belt, the pump is rotated so that the marks on the tension roller are aligned. After tensioning the belt, you need to check the correct installation - the engine is scrolled two turns and the marks are looked.
This completes the replacement of the Lacetti timing belt by hand in the garage. Engine covers and engine brackets can be reinstalled.
Lacetti 1, 6
This engine differs from 1, 4 only in volume. As for everything else, it is completely similar to the smallerunit. Therefore, the process of replacing the belt is also similar. It makes no sense to describe the order of work.
I must say that to replace the timing belt "Lacetti" 1, 6, a belt from an internal combustion engine of 1.4 liters is suitable. Both belts have 127 teeth, both are 1210 mm long and 25 mm wide. On a 1.8 engine, the belt is different - here the number of teeth is 162. A belt from Aveo after 2005, a belt from Nubira, Cruze and Nexia is also suitable. The manufacturer can be any, but frank China is not worth buying. Cheap belts last no more than 30 thousand kilometers and break at the most inopportune moment.
Work Safety
It is undesirable to work under the vehicle when it is jacked up. It is better to make sure with the help of factory devices. It is also not recommended to hang the car on two or more jacks. To protect your hands from injury, you need to work with gloves.
Nuances
Beginners are not always sure if they can handle such demanding jobs. The procedure is not easy and it is always scary to do it the first time. However, with experience everything will be fine. It is also not necessary to change the pump when replacing the belt - if the pump is in good condition, then it is left until the next replacement. When adjusting the belt, the pump is removed, so there may be leaks after assembly.
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