If the gas distribution mechanism of the Lada car breaks down, starting the engine and full operation of the car will be impossible. In order to prevent such a nuisance, it is necessary to monitor the condition of all units of the device, including timely change the timing belt to Lada Granta.

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When and how much should you change?

According to official regulations, the engine belt 21116 or 11186 changes with a run of 60 thousand kilometers. In fact, many car owners make repairs and change the timing belt, as well as the tensioner roller, usually after 50 thousand kilometers. The norm for checking the condition of the product is every 15 thousand kilometers traveled.

What signs indicate the need for replacement:

1. Wear of the strap structure. As a result of wear and tear, the product will slip on the pulleys and eventually break. This usually occurs at increased load or high humidity. A worn belt may have pieces of thread and tissue debris.
2. In most cases, the rapid wear of the product is due to the deviation of the position of the tension roller or pulley. The strap will fail faster if the operating temperature of the bearing is too high or the part is not functioning properly.
3. The appearance of cracks or delamination on the structure.
4. The working side of the belt is less elastic and harder. With such a problem, the strap may shine. Due to the increased hardness, the product will not be able to make good contact with the camshaft pulley.
5. Increasing the length of the belt. If the size of the product is larger, it must be changed. A decrease in the elastic characteristics of the strap will lead to its rapid breakage.
6. Deviation of the position of the product from the standardized indicators. This problem suggests that you need to change the tensioner pulley.

Crack on the strap structure

Causes of rapid wear

Why does the timing belt on the Lada Granta wear out:

1. Poor quality of the material from which the strap is made. Many manufacturers save on raw materials, which leads to premature product breakage.
2. Poor assembly quality of the components and mechanisms of the power unit through which the timing belt passes.
3. Operation of a belt that has begun to wear out. When there are signs of damage on its structure, the belt should be replaced and not continued to be used.
4. Errors made during installation. If the belt is incorrectly set and does not fit tightly on the rollers and pulleys, then it will wear out much faster.
5. Failure of the tension roller. If this element is not replaced when installing a new strap, it can wear out faster, which will also lead to the product breaking.

You can learn about the consequences of a Lada Grant belt breaking from a video shot by user Denis Gorban.

Belt selection

Now let's figure out which one is better to choose a timing belt for a VAZ 2114 eight or sixteen valves.

Buying a good product that can be installed and tightened on a gas distribution mechanism is not easy. After all, the required strap must be of high quality.

Today, consumers are offered several worthy products from manufacturers:

1. ContiTech Antriebssysteme GmbH. The original belt packaging has a QR code sticker. In the kit you can find a label where the date of the change, vehicle mileage and information about the units that have changed in due time are noted. When carrying out repairs, installation, tensioning the belt, as well as replacing the rollers, you can indicate all the information on paper and, if necessary, see when and what exactly changed the last time. On the strap itself, you will see the brand designation and batch number.
2. Gates 5670XS. The packaging of the original product contains a QR code, as well as a hologram designed to protect against counterfeit goods. A serial number is applied to the outside of the strap. The product comes with a sticker on which you can indicate the belt number and the date when it was replaced.
3. Trialli GD 790. Italian-made goods are sold in our market in the form of a repair kit with a tensioner roller. The product is packed in a cardboard box with a plastic insert inside. The set of this belt also includes a sticker with the vehicle mileage and the date of the part change. You will also see the warranty card here. The manufacturer took care and added detailed replacement instructions to the kit.

How to replace it yourself?

You can replace the strap on an 8 or 16 valve Lada Grant in a garage or at a service station. In order to avoid mistakes and do everything right with your own hands, follow the steps indicated in the instructions.

Required tools

Before proceeding with the task, prepare the following:

• a set of wrenches, you will need tools for 10 and 17;
• a special tool for tensioning the roller, the device can be bought at a car dealership;
• jack;
• a set of star keys;
• forceps.

Channel Dmitry Berbraer provided a video showing the consequences of a broken timing belt.

Step-by-step instruction

How to install and properly tension the product:

1. Drive the car into the garage, open the hood and loosen the bolt securing the battery terminal with a wrench. The contact is disconnected.
2. Remove the genset drive strap. To replace the timing belt, you will need to provide access to the aggregate components and mechanisms. Remove the front right wheel. Loosen the wheel bolts with a wheel wrench, unscrew them, then dismantle the wheel by placing the front of the car on a jack.
3. Remove the bolts securing the upper timing belt cover. The plastic cover is used as protection, remove it. After that, set the first piston of the vehicle power unit to the top dead center position.
4. The next step is to adjust the tensioner roller nut. Correct setting of this element ensures a long service life of the strap. To dismantle the drive belt, unscrew the roller nut with a wrench, this will weaken the product. After completing the task, you can proceed with the removal. It will not work to dismantle the belt by cutting it without unscrewing the screws. In any case, the rollers will have to be unscrewed in order to install a new strap in the future.
5. Remove the main alternator pulley screw using a wrench. When difficulties arose during the dismantling process and the bolt does not come out of the shaft, remove the plug located in the clutch housing of the machine. If you have a mounting blade, then you need to fix the teeth of the flywheel with it. A long screwdriver can be used if necessary. This will prevent the generator set pulley bolt from turning as the crankshaft is secured with a tool.
6. Remove the generator shaft. This procedure is performed after the scapula is removed. When the pulley is removed, it should be set aside on a clean surface. Make sure that no dirt adheres to it, otherwise it may cause seizure.
7. The next step will be to dismantle the lower part of the timing mechanism drive. To do this, unscrew the three fixing screws. Set the drive aside.
8. Then the strap is removed - first from the camshaft, and then from the crankshaft. When dismantling, assess the condition of the roller. If it is worn out or there is a large gap in the mechanism, it must be replaced. Experts recommend doing this at every belt change. During further installation, the strap must be pulled first over the crankshaft and then over the camshaft pulley. In this case, it is important to observe the tension force. If the belt is too tight, it will wear out quickly, just as if it is loose. The parts assembly procedure is carried out in reverse order.

The cost of a belt produced by Continental averages 800 rubles. The Gates product will cost the consumer about 1100 rubles. This option is considered optimal and reliable among car owners. You can purchase a Trialli belt, its cost is about 1900 rubles, but the package includes not only a strap, but also a tension roller.

Consequences of a broken timing belt

If the vehicle is equipped with an 11183-50 engine, then if the belt breaks, the consequences will not be terrible - the unit will stop starting and you will not be able to use the car.

When a break occurs on another engine, the problems will be serious:

1. In the event of a break, the camshaft will remain in the position in which it was working at the time of damage. In this case, the crankshaft will continue to move.
2. This will lead to the fact that the pistons will hit the engine valves with high force, which were in the open position at a break.
3. As a result of impacts, these elements will bend, possibly damage to the piston itself. With such a problem, the car owner will have to overhaul the power unit.

All the latest models of front-wheel drive cars, which are produced by the automobile plant located in Togliatti, have a toothed belt in the timing mechanism. Lada Granta fully refers to these models.

The car is equipped with several engine modifications, which can have 8 or 16 valves in the cylinder head. Many owners service and repair this model on their own, so it will be useful for them to learn about how to change the timing belt on a Lada Granta with 8 valves.

Lada Granta motors with 8 valves in the cylinder head have an index of 11183 and 11186. The first of them began to be produced in 2004, the second later, namely in 2011. The power of the "83" unit is 82 horses, at 87 hp for the "86" modification. The 11186 engine is an improved model “83” engine. It uses a lightweight connecting rod and piston group. It was possible to achieve a reduction in the mass of the piston group by almost 30%. The cylinder head is subjected to a specific heat treatment, which increases its strength and wear resistance.

And also the cooling system of the power unit received some changes. The skirts of lightweight pistons are coated with graphite grease, this avoids the appearance of scoring on the cylinders of an unheated engine. The compression ratio "86" of the engine was 10.5 against 9.6 for the "83" modification. The cylinder head gasket of the new engine is now thinner, it is equal to 0.43 mm versus 1.2 on the old model. The diameter of the intake valves was increased, which improved the filling of the cylinders with the air-fuel mixture.

Does the valve fold

This problem, unfortunately, is present for Lada Granta. It appeared from the moment the production of the first cars with front-wheel drive VAZ 2108 began. Later, the working volume of the power unit of this model was increased, it became equal to 1.5 liters. The engine index became 21083, in which the pistons have a recess in the head. This made it possible to exclude the meeting of the pistons with the valves when the toothed belt in the timing belt breaks or if it is incorrectly installed. It was this power unit that was taken as the basis for the engine for Grants, so the valves did not bend.

The upgrade of this motor to model 11186 provides for the installation of lightweight parts of the connecting rod and piston group. The piston has become shorter in height, which does not allow making recesses in the head to avoid meeting with the valve. Therefore, a break of the toothed belt is always accompanied by damage to the valves on the 8 valve Grant, sometimes connecting rods, pistons. This problem accompanies all subsequent modifications of engines for Lada Grant.

Replacement procedure

Many owners of this car prefer to carry out this operation in specialized workshops, but some do it themselves. There is nothing super complicated in this procedure, there is no need to purchase special equipment or devices. You can replace the toothed belt in the garage yourself. You will need to prepare a set of wrenches, a mounting spade, a jack, a support for the body, wheel chocks, gloves, and rags. Use round nose pliers as a key for adjusting the tensioner roller.

Replacing the timing belt on the Lada Grant is performed in approximately the following sequence:

1. The car is installed above the inspection pit or on a flat surface, the handbrake cable is tightened, and chocks are installed under the rear wheels.
2. Open the hood of the engine compartment, disconnect the terminals from the battery.
3. The drive belt of the generator set will interfere with work, so it is removed.
4. Now "5" with the hex number unscrew the four screws that secure the front protective casing of the timing drive.
5. To avoid accidentally damaging the crankshaft position sensor, it should be removed from the cylinder head and set aside. Do not allow metal filings to come into contact with the sensor, they may distort its readings in the future.
6. Next, you need to set the piston of the first cylinder to the top dead center position.
7. Removal of the toothed belt is interfered with by the alternator drive pulley on the crankshaft, which must be removed. To do this, rip off the wheel bolts of the right front wheel, raise the body with a car jack.
8. A stand is installed under the body, the wheel is removed, the protective shield is on the mudguard.
9. An assistant is needed to remove the crankshaft pulley. Ask him to put in fifth gear and push the brake pedal hard. Some specialists insert a powerful screwdriver into the hatch on the gearbox cover between the flywheel teeth.
10. Applying some effort to the head "17", unscrew the bolt, remove the pulley from the crankshaft.
11. Again, you need the fifth hex number, which you need to unscrew the three screws of the lower timing case, then you can remove the protection.
12. Now it is necessary to loosen the tension roller fixing bolt, the “15” spanner wrench is best suited for this. After that, the roller will turn, release the tension on the drive belt, which can be easily removed from the toothed gears and removed from the engine compartment.

Important! After that, the engine crankshaft must not be turned so that the pistons do not meet the valves.

Usually, the belt is replaced in conjunction with the idler roller and the coolant pump, so they must be removed from the cylinder block. There is an adjusting washer under the roller, which is installed back during assembly. When removing the pump, a certain amount of antifreeze is poured into a previously prepared container. The installation of a new timing belt is carried out in the reverse order. Please note that you need to check the position of all alignment marks on the crankshaft and camshaft, the cylinder block and the timing case.

Setting labels

This is an important procedure when replacing a timing belt and must be taken seriously. This motor has four timing marks. Two on the crankshaft and camshaft gears, one on the cylinder block in the area of ​​the crankshaft, the last on a metal protective casing. Two more marks are located on the flywheel and gearbox housing. They will be clearly visible when the rubber plug is removed. It is the marks of the flywheel and the box casing that will indicate the position of the piston of the first cylinder at top dead center.

The crankshaft is turned clockwise with a “19” wrench until all marks of the mechanism match. The tapered groove or tide mark on the camshaft pulley will be horizontal and aligned with the lip on the guard. The mark on the crankshaft pulley will look strictly vertical and coincide with the mark on the cylinder block.

Tension

The installed new toothed belt must be tensioned to the required parameters. Before that, be sure to check the position of the alignment marks again, if everything is in order with them, you can tension the drive. To do this, turn the tension roller counterclockwise until the marks on it coincide. One mark in the form of a cutout is on the outer cage, the second on the inner one in the form of a ledge. You can turn the tension roller with a special wrench, round-nose pliers.

Some craftsmen insert drills suitable in diameter into the holes on the moving part of the roller. Between them, a screwdriver as a lever and turn the clip until the marks coincide. Then you can tighten the tension roller fixing screw. After all the work has been done, it is necessary to manually turn the crankshaft a few turns, making sure that the marks have not moved. Then you can install the protective cover.

How long does it take to replace

The factory operating manual for the car recommends replacing the toothed belt with a mileage of 75 thousand km. This norm is not always fulfilled by the owners; there are good reasons for this. How long the drive takes before replacement depends on many factors. This is the quality of the parts used, the operating conditions of the vehicle, the technical condition of the engine. At each maintenance, the tension and condition of the timing drive should be checked. When cracks, delamination, or other damage appear, the belt is changed.

With a high mileage of the machine, natural wear of the crankshaft and camshaft pulleys occurs, this significantly reduces the service life of the entire timing drive. And also the drive is afraid of engine oil getting into the belt operation zone. It softens its structure, the teeth are easily cut off. If the car has been standing still for a long time, it is also better to replace the drive due to its aging. Most owners, experts recommend changing the belt after a run of 50 thousand km.

Which kit to buy

In addition to the toothed belt, a tension roller and a coolant pump are purchased. The main supplier of rubber products is the RTI plant in Balakovo. Products from the companies GATES, BOSCH, DAYCO, CONTITECH have proven themselves well. If the pump in the engine cooling system is replaced, you will need antifreeze to top up.

In the service book for the operation of a Lada Granta passenger car, it is written that the timing belt (timing) must be replaced by the driver with a run of about 75 thousand kilometers. But, unfortunately, the timing belt does not always reach the recommended replacement time, since those drivers who periodically monitor the condition of the belt change it at the first sign of wear.

This is done for one single reason, since if the belt breaks or its teeth are cut off, the timing valve will hit the piston... And to restore the engine's performance, he will have to make repairs, which, as the people say, will cost a pretty penny.

The first a sign of wear timing belt is the appearance of cracks, which are usually located primarily along the foot of the belt teeth, they become clearly visible if the belt is slightly turned inside out. Also, with the appearance of misalignment of the toothed pulleys of the crankshaft and camshafts, the water pump and the tension roller, one of the end surfaces of the toothed belt begins to loosen. In both cases, the owners of Lada Granta cars do not wait for the recommended timing for replacing the timing belt, because they know what a break in this belt can lead to.

Sometimes, there are cases of hitting the timing belt engine oil as a result of the appearance of its smudges in the front of the engine (for example: crankshaft or camshaft oil seals, valve cover are worn out). In this case, it is necessary to eliminate the impermeability of those places from which the engine oil leaks, and then replace the timing belt as well, since its rubber is not oil-resistant.

The timing belt will have to be changed either at a service station or on your own. But if you decide to change it yourself, then you must have purchased an additional appropriate tool, such as a key "15" and a hexagon "5". The rest of the fasteners can be worked with the usual set of tools.

Lada Granta 8 valve: how to independently replace the timing belt

Owners of domestic cars most often prefer to do their own repairs. This is due to the fact that components for them are sold in almost any auto parts store and are inexpensive. In addition, the Lada Granta device resembles earlier models released from the AvtoVAZ assembly line. Replacing almost any component on this car will not cause you any inconvenience.

Checking the timing belt

According to the documents accompanying the car, the belt that synchronizes the movement of the shafts has a resource equal to 45 thousand kilometers. However, it can fail earlier due to increased loads or insufficient attention to the car's engine.

A functional check must be carried out every 15 thousand kilometers. To do this, you need to remove the cover from the timing belt drive.

1. First of all, check the protrusion of the control of the tension of the belt mechanism: the cutout of the inner disk of the roller must coincide with the protrusion located on its rectangular bushing. Even with minor discrepancies, this consumable must be replaced.
2. Next, inspect the outside of this Lada Granta component. Make sure that there are no traces of wear, oil, carbon deposits, threads.
3. From the end, the belt should be complete, without separation into layers and fibers.

An eight-valve engine with a capacity of 87 horsepower is installed on the Lada Granta in the body of a liftback. If the timing belt breaks on such a motor, the valves are bent against the pistons, which threatens you with complex engine repairs.

When purchasing a component, note that Grant uses a 113-tooth belt that is 17 millimeters wide. With the right choice, you will not need to replace a failed component soon, so carefully study the new part before buying.

Car enthusiasts recommend purchasing Gates brand components from the USA. The good thing is that official support can tell you the address of the nearest store where they sell quality spare parts. The price of a repair kit (belt and roller) is about 3,000 rubles. At the same time, you will receive a high-quality product, the resource of which is approximately twice that of the stock one (about 80 thousand kilometers).

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How is the replacement

So, you have found a defect or the scheduled repairs are due. Replacement is carried out step by step only with a cooled motor:

1. Disconnect the battery of your Lada Granta.
2. Remove the crankshaft position sensor. Place the sensor in a clean place such as a shelf free of steel filings or oil.
3. Place the piston of the first cylinder at top dead center.
4. Turn the crankshaft until the mark on its pulley aligns with the projection on the drive cover.
5. Remove the plug from the sight glass (located on the clutch housing) and check the position of the shaft. If you did everything correctly, a mark will appear in the window and will be opposite the slot. Lock the flywheel with a screwdriver (it must be placed between its teeth).
6. Unscrew the generator drive pulley, remove it from the axle and remove the washer.
7. Remove the timing cover.
8. Loosen the idler roller (it should turn).
9. Remove the belt from all pulleys and pull out.
10. If, in addition to installing the timing belt, you need to remove the tension roller and replace it with a new one, then unscrew the mounting bolt, and then remove the roller directly with it.
11. Before installing a new roller, check if a replacement is really necessary. To do this, grasp the metal center of this mechanism and turn the plastic part. In a serviceable component, it moves smoothly, without jamming.
12. Inspect the pump and begin reassembling the timing mechanism. Install the roller in the upper hole on the cylinder block, but do not fully tighten the bolt securing this part of the drive.
13. Fit the belt so that it runs correctly on all pulleys and rollers. In order for the belt to lay down correctly, after laying it on the crankshaft pulley (it must first be installed in its place), tighten both parts of the part. Try to distribute the load evenly.
14. The far part of the timing belt should lie on the pump pulley and go behind the tension roller (at this stage, check the diagram), and the near one should lie gently on the toothed part of the camshaft.
15. Turn the camshaft pulley slightly (in the direction of less travel) so that the teeth of the belt line up with the notches on it. Use a wrench to turn the tension roller counterclockwise.

After the replacement has been made, check the timing belt tension. Excessive stress in it on the Lada Grant is fraught with failure of the pump of the cooling system. Also, if too tight, the belt can fail very quickly.

A loose belt can lead to a valve timing failure. Turn the crankshaft to the right so that the timing marks are aligned. Then reassemble the alternator pulley. Remember that it is strictly forbidden to turn the shafts with the belt removed on the Lada Grant model car. The setting is only done when the replacement has already been carried out.

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The gas distribution mechanism (timing) of each car includes: a camshaft, valves, their drives and guide bushings. All of these elements help to ensure the timely admission of the working mixture and remove the waste substances in time.

The timing belt stands alone in this list of parts, it acts as a connecting element, helping to synchronize the functionality of the crankshaft and camshaft.

Finding it is easy - you just need to open the hood of your car. The timing belt is protected from possible damage with specialized casings, they also prevent contamination. Externally, timing belts have a rubber base and are distinguished by a toothed inner surface. In addition, they are distinguished from other belts by the fact that they are able to cover several pulleys at the same time.

After what time period does the timing belt need to be changed?

Lada Grants are equipped with motors of various modifications, however, in most of them, if the timing belt breaks, the valve will still bend. They will not bend them only at the VAZ-11183-50 engine, which is installed on the Grants of the complete set standard.

To eliminate possible emergency situations, the manufacturer advises changing the timing belts once every 75,000 km, but their condition should be monitored much more often - at the next maintenance, i.e. after 15,000 km. This statement is true for both eight-valve and sixteen-valve powertrains. As already noted above, a timing belt break will not cause any significant issues only in the VAZ-11183-50 engine, in other cases, it will not be possible to avoid bending the valves and subsequent repairs.

This is due to the fact that during a belt break, the camshaft stops in the position in which it was at the moment of breakage, while the crankshaft continues to rotate. As a result, the pistons hit the valves very hard, which are in the open position at this time. From the impact received, the valves bend, and in some cases the piston can even pierce (but this is very rare).

Because of this, some experts strongly advise changing the timing belt even earlier than the dates specified by the car or belt manufacturer. Note that the following methods for replacing timing belts are suitable for the entire modern Lada model range: Priora, Grant, Kalina, Vesta, XRAY, etc.

Replacing the timing belt on eight-valve motors without a tensioner

Structurally, the fastening of the generators at Grants differs from the designs used on the first generation of Kalina and on the Priors. For example, on Grants equipped with eight-valve engines, belt tension is not initially provided, and therefore they are replaced in a slightly different way.

This process is preceded by a check of the current condition of the belt. This procedure is carried out as follows: the fifth gear is turned on, then you lean on the front of the car and push it back, along the way inspecting the generator along its entire length. There should be no tears or cracks on it, and rubber in a serviceable element should not peel off from the fabric base. If any such defects are found, the belt will need to be replaced immediately.

To carry out this procedure, you will need: a knife, a long screwdriver, a key "13", and, of course, a new timing belt for Grants, 823 mm long. It will cost you about 800 rubles, the catalog number of this product is 1118-1041020-07.

There is nothing complicated in the process of changing the belt. First, you will cut off the worn-out element with a knife, then you will need to unscrew the bolt of the lower fastening (use the key "13"), and then, using the same key, the nut is unscrewed and the bolts are pulled out.

The alternator is rotated so that the upper mounting lug goes directly behind the bracket lug. Press the bracket and generator together and secure them in this position with a piece of wire at the nut that secures the cylinder head cover.

After that, the belt is put on the generator pulley and the top of its drive pulley. Next, you need to re-engage fifth gear, press the belt against the pulley and start pushing the car back. Continue pushing until the belt is fully worn, after which the wire is untied, and the generator is squeezed from the bracket using a screwdriver. Then you need to install the generator mounting bolts (upper and lower) and the nut in their positions. The work has been completed.

Replacing the timing belt on sixteen-valve motors with a tensioner

At the moment, AvtoVAZ is equipping Grants of some configurations with sixteen-valve engines. Let us analyze the process of replacing the timing belt on such engines in more detail.

To carry it out, you will need a “5” hexagon, a flat screwdriver, as well as “17”, “15” and “10” heads. The procedure should be started by removing the old element - by unscrewing the screws, after which both covers of the timing drive and the belt itself are removed one by one.

The gas distribution phases must not be disturbed, and therefore the crankshaft and camshaft must be in the TDC position of the compression stroke of the first cylinder. That is why you have to crank the crankshaft clockwise until the marks on each camshaft pulley align with the marks that are placed on the rear timing covers.

Then the flywheel is fixed with a screwdriver, which is inserted between its teeth, the bolt is unscrewed, and the pulley with a support washer is removed. The tension is released by turning the roller before removing it. Remember - after removing the belt, turning both shafts is prohibited. Additionally, we note that the process of replacing the timing belts is carried out synchronously with the replacement of both rollers.

Next, the installation itself begins, before which it is recommended to apply a specialized sealant to the threads. The belt is put on the crankshaft pulley, while you will tension both of its branches, leading the rear branch behind the tensioner, and the front branch behind the support roller. Then he is put on the camshaft pulleys. Simultaneously with tensioning the belt, you rotate the tension roller counterclockwise. The cutout of the first outside of the cage of the specified roller is aligned with the protrusion of the second of the bushings inside it, and the fastening bolt is clamped with a key.

Next, you will crank the crankshaft exactly 2 turns clockwise. Look to see if the timing marks on both shafts align, and you should also check to see if the lug and notch on the idler pulley align. The work on replacing the timing belt has been completed.

In addition to the above, there is also a method for replacing the timing belt, in which you do not need any special tools. However, this technique can be applied only in cases where there is no need to replace the rollers.

The process is as follows: first, exactly half of the worn out belt is cut off with a utility knife and removed. Next, a new belt is put on the crankshaft pulleys, at the same time the second half of the worn one is cut and removed. At the final stage, the new belt is finally pulled over the crankshaft pulleys.