For stable and uninterrupted operation of any car, it is necessary to carefully monitor the condition of all components and assemblies of the transport, conduct regular scheduled inspections and, if necessary, replace worn parts. An important link in the operation of the camshaft and crankshaft is. Replacing the timing belt with a Daewoo Nexia 16 valves is strictly regulated by the car's operating manual.

As a rule, along with the belt, the pump and rollers require replacement. All replacement work can be done independently, without resorting to the help of specialists. We suggest that you familiarize yourself with the detailed instructions for replacing the timing belt, pump and rollers on a Daewoo Nexia 16 valves.

Process technology

Before proceeding with the replacement of old elements, it is necessary to purchase a new necessary set of consumables. To replace the belt on Daewoo Nexia 16 valves without significant difficulties, it is best to arm yourself with a special key.

Required tool:

• Socket keys;
• Ring keys;
• Screwdriver Set;
• Special key for 41;
• Hexagon;
• New materials.

The engine under the hood Nexia occupies almost the entire space. This poses some difficulties. When dismantling, difficulties arise with bolts under the hexagon, due to which the pump is attached to the cylinder block. Here it is best to use the VD40, however, if the device is native and has never been removed, then you cannot do without a hammer and a chisel. When reassembling, it is best to take new bolts.

With a key of 41, the pump is turned until the timing belt is loosened, after which the element itself is removed. The tension roller is removed by removing the force from the three bolts. The water pump bolts are unscrewed, after which the mechanism itself is dismantled. It is best to substitute any container under the engine, since when the pump is dismantled, part will pour onto the ground. There should not be any particular problems with labels, since it is not difficult to set them by coincidence.

Photo instruction

During operation, the following sequence must be observed:

1. The belt is put first on the crankshaft pulley, and then on the bypass roller of the exhaust camshaft
2. When tensioning the element, a special key is installed on the pump and rotated clockwise until it matches the mark.
3. After that, all the bolts of the device are tightened.

The tension of the mechanism is checked as follows: the tongue of the roller must match the tongue placed on the platform. If this condition is not met, then by loosening the fastening of the pump, it is rotated and tightened. It remains to install the crankshaft pulley, rotate it two turns and check the coincidence of the marks. Assembly is carried out in reverse order. After completion of work, all the necessary liquids are poured and the engine starts.

Installing a new timing belt will allow the driver to gain peace of mind and confidence on the road. As the manufacturer assures in the operating instructions, it is necessary to replace it every 64,000 km or after 4 years of vehicle operation in order to avoid belt breaks and engine jamming.

The scheduled replacement of the timing belt for Daewoo Nexia 16 valves is carried out every 60 thousand km of driving. With this motor, when the drive of the gas distribution mechanism breaks, the valve stems bend, so its change cannot be delayed. Together with the belt, the water pump that regulates the tension of the drive changes, but when it is shifted from the standard position, antifreeze begins to flow from under the sealing ring.

Before replacement, you should acquire a non-standard M41 key or make it from 1 mm thick metal, bending it in a special way. The presence of a universal pulley holder will make the process more convenient to perform. You also need to stock up on a pump, strap, tension and bypass roller in advance.

In this Korean car, the power unit occupies almost the entire engine compartment, significantly complicating the replacement of the drive of this mechanism. It is difficult to unscrew the front engine mount, and putting it back is even more difficult.

The most optimal sequence:

1. Unscrewing the intake pipe, air filter, pipes, other parts that interfere with work, removing the upper pipe, but before draining the antifreeze.
2. Before removing the generator belt, the fastening of the hydraulic booster pulley is loosened at three points (then its locking with the breakdown of the fasteners will be very difficult); loosening the tension assembly of the generator, moving it towards the engine and removing the pass.
3. Raising the car with a jack by the pallet through a wooden block, dismantling the right wheel, plastic mudguard, which will provide access to the crankshaft pulley, the air conditioning drive tension unit.
4. Release of the roller nut, maximum unscrewing of the tensioner bolt, removal of the climate system strap.
5. Disconnection of three M12 hardware of the hydraulic booster disk, four M10 of the upper protective cover of the mechanism drive.
6. Unscrewing a pair of nuts securing the engine mounts to the side member, two screws to the motor support using a cardan wrench in order to dismantle its mount.
7. Turning the crankshaft for mounting the disc clockwise until the marks on the camshafts line up.
8. Disconnecting the wheel to / shaft using a special stopper or an assistant at the wheel, including fifth gear and pressing the brake. This will allow you to easily unscrew the disc nut to / shaft.
9. Loosening 2 M10 fasteners and, mindful of the latch on the left, remove the lower protective cover of the timing drive.
10. Unscrewing a pair of bolts (they can be left in the holes) that secure the power steering pump, with its slight withdrawal to the side.
11. Using a hex wrench, loosen the three screws holding the pump. This is not easy to do: the metal perforated protection interferes.
12. Turning the pump with a special key M41, which will loosen the apiary and facilitate its removal by pushing between the power steering pump and the motor.
13. Turning out the hardware of the camshaft disks, bypass roller.
14. Removing the pulleys, remembering that the pulley / shaft of the intake valves is marked with the letter "I", the exhaust - "E".
15. Unscrewing the three threaded fasteners with the removal of the tension roller.
16. Unscrewing two bolts at the top and bottom to remove the iron protection.
17. Dismantling the pump by unscrewing three hardware that opens with the removal of protection. Before dismantling the pump, a container is placed under the engine, where part of the coolant from the block will drain.

Assembly of engine parts when replacing the timing belt on a 16 valve Daewoo Nexia

The order of work is as follows:

1. The pump seat is cleaned, wiped dry, the surface of the sealing ring is lubricated with a thin layer of sealant, the pump is placed back with a full counterclockwise rotation. Moreover, the bolts are not tightened, because the belt of the mechanism is tensioned by means of the pump.
2. Iron protection, bypass, tension rollers, disks of r / shafts are installed. The labels are checked for matching.
3. A new strap is put in, and its descending branch should be taut. To do this, it is put on in this order: the crankshaft pulley, then the bypass roller, the disk of the p / shaft of the exhaust valves.
4. To tension the pass with a special key, the pump moves clockwise until the tension roller mark matches the response.
5. Then the pump bolts are tightened. Temporarily put the wheel to / the shaft for its double turn, the coincidence of the marks is checked again and the belt is pulled.
6. The dismantled parts are put in place in the reverse order of removal. The most difficult thing in replacing the timing belt on a 16-valve Daewoo Nexia is installing an engine mount.
7. Technical fluids are poured, after which the engine is started to check the strength of fastening parts, the absence of smudges.

The life span of the gas distribution mechanism is 60 thousand kilometers or 48 months of operation, whichever comes first.

Where to replace the timing belt on Daewoo Nexia 16 valves and buy the necessary parts and tools

The necessary parts, assemblies: a water pump, a belt drive of the mechanism in question, tension and bypass rollers along with tools: a special M41 key, a universal disc holder, it is better to look on the shelves of specialized stores. Then, having the proper experience, it is possible to do the work yourself.

When the necessary skills are not available or there is no free time, the implementation of the above measures should be entrusted to a specialized service station, where for an acceptable payment they will do the whole range of work on replacing the timing belt with a guarantee.

Daewoo Nexia is a fairly simple and cheap car to maintain. Reliable Korean engines with different block heads were installed on these machines. There were eight- and sixteen-valve versions. But, like any engine, the Nexia engine needs periodic maintenance. And it's not just oil and filter changes. An important operation is the replacement of the timing belt on the Nexia with a 16-valve engine. How often do you do this and can you do the work yourself? Let's consider these questions in the article.

Timing belt replacement interval

The manufacturer sets the following deadlines. Replacing the timing belt on the Daewoo Nexia (16 valves) should be done every 60 thousand kilometers or at least once every four years. A feature of the sixteen-valve version is that if belt A breaks, this leads to expensive repairs. Therefore, the replacement should not be delayed.

For reference. The eight-valve engines that were installed on the Nexia, in the event of a belt break, do not suffer from such a “disease” as valve bending. However, such motors are less powerful and economical.

Signs that the mechanism needs to be replaced

How to determine that the 16-valve Nexia needs a timing belt replacement? This can be indicated not only by mileage, but also by the following signs:

• Characteristic noises and vibration at idle. It feels like the motor is running.
• It became difficult to start the engine. It takes longer to start than usual.
• There is a vibration in the body when driving, especially downhill at high speeds.
• The car began to consume more fuel.

All this suggests that it is time to replace the belt. If you changed it recently, it may just have jumped a few teeth and therefore the valve timing has shifted. It is also worth monitoring the visual condition of the belt. The presence of cracks, tears and traces of threads on it is unacceptable.

At any moment, such a belt can break. And if on eight-valve engines you can get by with only a fright, then in the case of a 16-valve head, you will have to fork out for serious repairs.

What is required for work

In addition to the standard set of tools (screwdrivers, jack, balloon, heads, keys), you need to purchase a special key for 41. It costs about five hundred rubles. Also, it will not be superfluous to have a universal pulley holder.

If you plan to replace the 16-valve Nexia (1.6) timing, in addition to the belt itself, you will need a bypass and tension roller. These elements must be changed. If necessary, the pump should also be replaced. Its resource, of course, is more than 60 thousand km, but if there are characteristic signs (antifreeze leak, noise when the impeller rotates, and so on), it should also be replaced.

Removing the old belt

So, let's get to work. Replacing the timing on the 16-valve Daewoo Nexia begins with unscrewing the clamp on the air filter pipe. You will also need to remove the filter housing itself.

Next, using a twelve-key wrench, you need to loosen the screws that fix the power steering pump pulley, if one is present in the car's configuration. Then unscrew the upper bolt securing the generator. It is also necessary to loosen. In the next step, remove the power steering pump pulley. To do this, you will have to deflect the engine from the pillows as much as possible to the side. Then, with a ten key, three more bolts are unscrewed and the upper part of the plastic timing belt cover is dismantled. Next you need access to the bottom of the engine. Since the motor is mounted transversely, you can get to the pulley through the front right wheel. The latter must be removed by first installing the car on a jack and stops (if there are none, you can tighten the handbrake). Then unscrew the bolts that secure the plastic engine protection. If the car has air conditioning, loosen the tension roller lock. You will also have to remove the compressor drive belt.

What's next?

Then there is some serious work to be done. It is necessary to unscrew the bolt that fixes the crankshaft pulley. It is tightened with a force of 155 Nm (it must be screwed back with the same force). An impact wrench is better for this, but in the absence of one, you can go the other way. This will require an assistant. He will be in the cabin, and apply the brakes, after turning on the fourth gear. So you fix the crankshaft. And the bolt itself must be unscrewed with a massive wrench with an extension cord. You can use a socket head.

The belt should be removed only after the first piston (the one closest to the air filter housing) is set to TDC. The cutout on the shaft pulley must be directed towards the mark on the steel casing. The arrow itself may look a little to the side, and not into the hole itself. It is important to combine these marks, otherwise the engine may triple or the car will consume more fuel.

How is the timing belt replaced on the 16-valve Nexia next? Use a wrench (10 mm) to unscrew the screws and remove the lower part of the belt cover. It is worth knowing that the marks on the camshafts should look strictly at each other. With a wrench (12 mm), unscrew two more bolts. They secure the power steering pump retainer. Next, remove the tension roller. It is secured with three bolts. They are unscrewed with a 14 mm key. Next, you should remove the belt itself. It is removed simply, with the exception of the area near the pump.

Installing a new belt and tensioning

How is the timing replaced on the 16-valve Nexia with your own hands? The process of installing the belt is carried out in the reverse order. But before starting work, it is important to check the condition of the water pump. It is worth inspecting the pump mounting points and twisting the bearings. If they rotate with characteristic noise, the water pump must also be replaced. It is also unacceptable to leak antifreeze from under the pump.

Before installation, it is important to check the angles of the location and the crankshaft. All labels must match. Only after making sure that the labels are set correctly, you can continue to replace the Nexia timing belt with a 16-valve engine. In this case, the tension is regulated by turning the pump. This requires a special key. But in the absence of such, you can do otherwise. To do this, use a wrench (17 mm) to loosen the camshaft screw (exhaust only), but not completely. Next, install the belt in accordance with all marks, and use a screwdriver to lift the tongue of the tension roller up. Put the camshaft pulley in place.

To make sure the marks are set correctly, rotate the crankshaft two turns. The tongue of the roller should be opposite the ledge, that is, on the platform. Otherwise, you will have to turn the pump with a special key. Next, tighten the crankshaft pulley with a force of 95 Nm, and then tighten it another 45 degrees. In this case, the crankshaft can be fixed by turning on the first gear and pressing the brake pedal.

note

When tightening, it is important not to overtighten the belt. But even a weak tightening is fraught with consequences. Then everything should be assembled in reverse order. If there have been any operations with the pump, experts recommend inspecting the level of antifreeze and topping it up if necessary.

Conclusion

So, we found out how to replace the timing belt on a Nexia car (16 valves). As you can see, this operation can be performed with your own hands. But if you are not sure of your abilities, you should use the services of professionals. How much does it cost to replace a timing belt with a Nexia (16 valves)? The price of this service at a service station is about three and a half thousand rubles.

A belt is a closed rubber device of a certain diameter, which has special notches on the inside. Due to the material from which it is made, its work is almost inaudible. Before going into the details of the process Daewoo Nexia timing belt replacement, you need to understand the importance of this component of the car. The element under consideration is a connecting mechanism for the operation of the camshaft and crankshaft. The instructions for all modern cars clearly spell out strict regulations for replacing it. This was written for a reason, since if the belt breaks, it will result in a tidy sum, and this breakdown often occurs precisely when the motorist ignores the manufacturer's recommendations.

The difference between engines with 8 and 16 valves in Daewoo Nexia

To date, disputes about which of the presented engines are better do not fade away. Knowing what the differences are, it will be easier for everyone to make a choice for themselves. For an engine with 8 valves there is only one camshaft, and it is responsible for the withdrawal of mining and the injection system. At 16 valve engine there are two such shafts, respectively, and twice as many valves - two for each cylinder.

Replacing the belt on an 8-valve engine

By cars Daewoo with 8 valves, the procedure for changing the timing component is as follows:

• To begin with, the car is placed on a flat surface, the handbrake is pulled and the front right wheel is removed.
• The terminal with the battery is turned off and all the clamps and hoses are unscrewed to remove all the rubber entirely.
• Using a 13 wrench, the upper bolt of the generator is loosened and moved to the side. In this case, the alternator belt is weakened and must be removed.
• Key 10 unscrews the casing cover.
• Next, you need to unscrew the bolt of the crankshaft pulley and the shaft itself is removed.
• Now you need to combine the marks on the camshaft and the mark on the casing, after which the old timing belt is removed, a new one is put on and all spare parts are put in place in the reverse order.

Replacing the belt on a 16 valve engine

For the long-term operation of any car, it is necessary to regularly carry out inspections and the necessary replacements. In order not to save on car service, you can perform many procedures yourself. The article describes the replacement of the timing belt for a Daewoo Nexia 16 valves with your own hands: the photos and videos that are attached to the article supplement the detailed instructions.

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What is the timing belt for?

Before replacing with your own hands, you need to figure out what the timing belt is for Daewoo Nexia 8 cl and 16 cl. Its purpose is to synchronize the operation of two shafts: crankshaft and distribution. It also works with the water pump. It is a rubber product in the form of a closed rim. On the inside there are teeth that serve for better grip and eliminate slippage.

New replacement consumable

A broken timing belt can have dire consequences for a Daewoo Nexia. When it breaks, the camshaft stops, and the crankshaft continues to move. As a result, the piston knocks on the valves and makes them unusable. This can lead to a major overhaul of the power unit or its replacement. It should be noted that on an engine with an 8-valve system, the consequences of a break may be less serious than for a power unit with 16 valves. It may be necessary to change valves.

The cause of the rupture, both on an engine with 8 cells and with 16 cells, is most often the natural wear of the product. Over time, the elasticity of the strap is lost, the stratification of tissues begins, cracks appear. The part can break if the pump or tensioner jams, less often when one or more camshafts jam.

We change the belt ourselves (on 8 and 16 valve cars)

Belt replacement must be done according to the regulations or as it wears out. The recommended frequency is after 30-40 thousand kilometers. But it is better to focus not on mileage, but on the condition of the component.

Required Tools

In order to replace the strap, you need to prepare a tool kit, which should include:

• set of socket wrenches;
• set of spanners;
• screwdrivers with different diameters;
• special key to "41";
• hexagon;
• new consumables.

It is better to buy consumables from trusted manufacturers, as this guarantees the quality of the product and, accordingly, long-term operation.

Stages of work

Having prepared materials and tools, you can start working. You can watch the video to understand better.

1. First, the air filter housing and everything attached to it is removed.
2. To access the alternator pulley, the front right wheel and mudguard must be removed.
3. After loosening the fixing nut of the air conditioner tensioner roller, remove the roller together with the belt.
4. Having unscrewed the bolts on the timing guard, remove it.
5. Immediately loosen the fixing bolts on the power steering pulley.
6. Slightly unscrewing the generator bolt, you need to move it to the motor and remove the strap.
7. Now we unscrew the bolt securing the crankshaft pulley.
8. Next, you need to remove the power steering pulley.
9. Before removing the timing belt on the Daewoo Nexia, marks must be set. To do this, you need to rotate the entire gas distribution mechanism until the marks on the casing and the camshaft pulley match. Similarly, the mark on the crankshaft must also match the mark on the casing from below. The camshaft pulley marks must be opposite each other.
10. The next step is to loosen the bolt on the tension roller, and then remove it and the strap. If there is a water pump, check its condition and replace if worn.
11. Having installed a new tension roller with our own hands, we stretch a new strap. Installation should begin with the crankshaft, pump and tension roller. Next, turning the camshaft clockwise, put the second branch of the belt on it.
12. By turning the pump, we set the marks on the roller until they match.
    

    Then tighten the bolts on the water pump.

13. After installing the components, check the marks again, they must match. Next, put the protective cover and crankshaft pulley back in place.
14. Next, screw everything in reverse order.

When the replacement is completed, you should start the engine and check its operation. If there are no interruptions, then everything is in order. This completes the procedure for replacing the timing belt with your own hands on a Daewoo Nexia with 8 cells and 16 cells.