We independently set the timing marks on the Chevrolet Niva. Description of replacing the timing chain Niva Chevrolet Ignition installation Niva Chevrolet injector

On how correctly they are set Timing marks on Niva Chevrolet depends on the successful operation of the camshaft chain. Regular diagnostics and monitoring of its tension helps to prevent breakdowns in time and increase the life of the engine.

When does a belt need to be replaced?

• During scheduled maintenance (if the mileage is 100 thousand km).
• If the marks on the camshaft sprocket do not match the mark on the bearing housing identified during phase diagnostics.
• When the pump that drives the “water pump” fails.
• If the chain is damaged (wear, stretching or cracking), requiring urgent replacement and adjustment according to the marks.

Advice: if the engine does not pull and does not gain speed, you need to check the DPKV mark, timing belt and set TDC (engine top dead center) on the flywheel. Both pulleys (inlet and outlet) are placed along the marks with the chain tensioned.

Setting timing marks

Tags - These are risks and notches located on the gears of the gas distributor. For clarity, below is an example of installing a notch on a drive gear disk. It coincides with the center of the DPKV (crankshaft position sensor).

The marks on the camshaft pulley are fixed against the ebb on the bearing housing, which fixes the main shaft on the platform.

Preparing tools and spare parts for timing belt replacement

Prepare a screwdriver and wrenches for "8" "13" and "10", devices for turning the crankshaft and additional parts:

• Oil seal (front)
• New cylinder head gasket
• Pump gasket
• Tensioner
• Damper bar, limiter and chain stabilizer
• Sealant
• Engine oil and oil filters
• Coolant
• Crankshaft seal
• Gears

It is possible to install timing marks in a Chevrolet car efficiently if you have a reliable chain that prevents damage and stretching. If the old chain fails, you need to buy a new one.

Step-by-step adjustment and setting of timing marks

• Installation of the risk on the VAZ-2123 (according to the standard) is carried out in the inspection hole. Put the car on the parking brake. Shoes are placed under the front wheels.
• You need to wash the engine and fender liners.
• The air filter is removed.
• Drain the engine oil, unscrew the oil filter.
• Drain the coolant.
• The valve cover fastenings are unscrewed.
• To prevent engine oil from leaking into the cylinder head area, it is recommended to replace the cylinder head gaskets.
• By rotating the crankshaft pulley, marks are set on the camshaft gear and bearings.

Phase adjustment in case of mismatch

If the notches do not match, work continues:

• The “whiskers” of the lock washer are bent. The fixing bolt is unscrewed using a key set to “13”, and the position of the camshaft sprocket is loosened.
• The first gear on the gearbox is engaged, allowing you to avoid spinning when unscrewing the crankshaft gear bolt.
• The fastener is removed with a lock washer. To prevent the bolts from falling into the engine sump, use a deep-head wrench or unscrew the bolt by hand.
• Remove the chain tensioner using a screwdriver. It should be replaced if it is stretched or strained, during scheduled maintenance, after 60-80 thousand kilometers.

• The camshaft sprocket is removed. If you pull it towards yourself (a distance of 5-10 cm), it will be removed along with the chain. Check for wear on the sprocket teeth, which form an inverted “V” shape. The part must be replaced if there are grooves on the leading part of the teeth.
• On a working mechanism, the chain moves on the teeth. The scrolling step is one tooth.
• The sprocket with chain is placed on the camshaft flange. When the chain moves on the sprocket, its holes will not line up with the pin. The crankshaft should be rotated in the specified direction until the mark and pin match.
• It is important to secure the part with a bolt and washer (without tightening it all the way). After turning the crankshaft twice with a special wrench, check the placement of marks on the camshaft gear and bearings.
• If the marks correspond, their adjustment has been successfully completed. The fastenings of the crankshaft and camshaft sprockets are tightened tightly.

If there is a discrepancy, you must repeat the steps.

For clarity of the result obtained, it is suggested to look example in the photo.

In the upper corner is an overview of the notch placed against the DPKV core. Below is an asterisk on the flange. The dot is visible opposite the bed in the aluminum cylinder block.

During operation, all components and parts of the vehicle are subject to natural wear and tear. Timing drives are very durable, but sooner or later the owner is faced with the task of replacing the Niva Chevrolet timing chain. However, this procedure has a number of subtle points, which we will talk about.

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When to change?

The factory instructions for the Niva chain drive with the VAZ-2123 injector engine do not indicate the frequency of replacement. A sign of an impending change is the increased noise of the drive and the impossibility of further tensioning the chain. Typically, this picture begins to appear closer to 100 thousand mileage. The majority of Chevy Niva owners try to overhaul the valve drive of their cars at exactly this mileage.

For the belt drive of the Opel Ecotec Z18XE injection engine, the plant has set a replacement period of once every six years. Or every 120 thousand km.

Parts selection

When purchasing a new chain, it is advisable to check its quality. To do this, it is held in a horizontal position with the side parts of the links facing down. If the sagging of the chain ends exceeds 10 mm, then it is better to choose another part. It is also necessary to select the remaining timing drive elements.

AvtoVAZ production details and articles:

• chain - 21214-1006040-82;
• gear set - 2123-1006020-86;
• damper - 21214-1006100-01;
• chain tensioner shoe - 21214-1006090-01

An equally common option is a ready-made set of parts produced by Rusmash (number 10–1006001). One of the differences of this set is the Pilot automatic tensioner, which in its geometric dimensions completely corresponds to the standard part. A design feature of the tensioner is the ability to automatically adjust the chain stretch. At the same time, it does not require oil supply for its operation; everything is done using springs. The Pilot tensioner is also supplied separately from the kit (part number 21214–1006060).

On very early Niva Chevrolet cars produced from 1998 to 2002, there is a “hybrid” engine model, which is equipped with a double-row chain and chain tensioning elements from the VAZ “classic”. Such machines require their own spare parts, which are purchased only after disassembling the engine and determining the type of part.

To replace the belt on Opel engines, you usually purchase an original replacement kit (part number 1606306) or its Contitech equivalent (CT 975 K3). When replacing a belt, a new pump must be installed; the most common choice is parts manufactured by SKF (VKPC 85624) or Hepu (PK03270).

How to replace it yourself?

Replacing the timing chain of a Niva Chevrolet is a labor-intensive procedure that only a fairly experienced owner can do with his own hands. For people who are little familiar with car design and engine repair technologies, such work can be overwhelming. Before starting independent work, you need to prepare tools, buy spare parts and find a room for work.

To speed up the replacement process, some owners simply install a new chain without removing the front cover, but such a change is unacceptable. It is necessary to change the drive gears, since the teeth on them are already worn and will interact poorly with the new chain. Chain tensioning devices should also be changed.

Tools and materials

To carry out the repair you will need the following:

• special wrench or socket for pulley nut (38 mm). A number of owners make such a head themselves, using a wheel wrench for truck wheels (32 by 38 mm) as a blank;
• keys or heads of sizes 8, 10, 13, 17, 22 mm;
• brake pipe wrench;
• spark plug key;
• pliers;
• hammer;
• flat blade screwdriver;
• rags for wiping;
• a clean rag to cover the engine head.

To replace the timing chain on a 2006 Chevrolet Niva, you will need new parts:

• a chain and three gears for driving shafts (on the main shaft, on the camshaft and on the oil pump shaft);
• chain tensioner and damper;
• frontal oil seal on the crankshaft;
• timing cover and pump cover gaskets.

Algorithm of actions when changing the chain

The following actions must be taken:

1. Place the car in the pit, put on the handbrake and place wheel chocks under the wheels.
2. Remove the engine crankcase and gearbox protective screen.
3. Drain the coolant and remove the radiator with the fans installed on it. If your machine has an air conditioner, drain the refrigerant from the system. You can avoid draining liquids by carefully moving the radiator block to the side.
4. Disconnect the throttle control drive.
5. Remove the air filter housing by lifting it off the throttle body.
6. Remove the crankshaft position sensor and loosen the generator.
7. Remove the accessory drive belt.
8. Remove the tension and idler rollers.
9. Remove the top camshaft cover and cover the top of the engine with a clean rag.
10. Use a screwdriver to bend the lock washer and remove the 17mm bolt.
11. Unscrew the pump mount and remove it from the engine.
12. To begin removing the front cover, unscrew the two nuts on the top and seven bolts around the perimeter.
13. Remove one bolt securing the generator bracket.
14. Place the car in fourth or fifth gear and remove the 38mm nut on the pulley.
15. Unscrew the spark plugs and set marks on the crankshaft and camshaft gear.
16. Remove the pulley and unscrew the three nuts for the lower fastening of the front cover. They are located on the engine sump.
17. Unscrew the two bolts securing the damper and remove it.
18. Bend the washer clamps on the oil pump gear and remove the 17 mm mounting bolt.
19. Remove the oil lines from the tensioner using a brake pipe wrench.
20. Unscrew the 22 mm nut of the low oil pressure sensor from the tee. This operation is necessary when planning to install the Pilot tensioner.
21. Using a spark plug wrench, remove the tee and install the pressure sensor in its place.
22. Unscrew the two 10mm nuts securing the tensioner and remove it. The most convenient way to remove the top nut is with a tubular wrench and pliers.
23. Remove the chain and all three gears.
24. Using a screwdriver, remove the old crankshaft oil seal from the front cover.
25. Thoroughly wipe the cover and oil seal seat from dirt with a rag.
26. Press in a new oil seal. To make the task easier, you can lubricate it with oil and use the old part as a mandrel.
27. Install a new tensioner shoe. When installing, it is necessary to ensure a minimum gap between the body and the bolt - the tensioner should move easily over the bolt, but have no play. Only in this case will the correct chain tension be ensured.
28. Install the oil pump and crankshaft gears. When installing parts, it is necessary to install spacer and lock washers.
29. Bend the tenon of the lock washer at a right angle and tighten the bolts. If the locking pin does not fit well into the gear hole, then it needs to be sharpened a little.
30. Place the gear on the valve drive shaft. The mark on the gear (on the back) should be located opposite the mark on the head.
31. Install the damper.
32. Set the crankshaft to TDC (top dead center). To do this, there is a mark on the gear located opposite the keyway.
33. Put on a new chain, after moistening it with engine oil. The chain should be correctly put on from the crankshaft, then through the oil pump to the camshaft. This method will allow the chain to be evenly tensioned between the gears. In this case, it is necessary to ensure that the marks on the gears match; only the oil pump shaft can be rotated.
34. Install the tensioner, lubricating the mating surfaces with sealant. The hole in the tensioner housing, through which the working spring is visible, should be directed upward.
35. Check marks and degree of tension. Pull the pin out of the tensioner, placing it in its working position.
36. Rotate the motor shaft several revolutions to check the marks.
37. Tighten the camshaft and pump gear bolts and bend the stoppers.
38. Install the front cover, having previously lubricated the mating surfaces and gasket with sealant.
39. Tighten the mounting nuts and install the generator bracket.
40. Reinstall the pulley and tighten all cover bolts.
41. Reinstall the valve cover.
42. At the same time, you can repair the drive of auxiliary units by replacing the tension rollers and the belt itself.
43. Install the pump with a new gasket. To ensure reliability, the surface must be coated with a sealant.
44. Tighten the 38mm pulley nut.
45. Put on the accessory belt and connect all the removed connectors.
46. Replace the radiators. It is recommended to check the condition of the hoses and clamps. Worn parts must be replaced with new ones.
47. Fill with coolant.
48. Carry out a test run of the engine. If it starts up normally, then it needs to be warmed up.
49. Stop the engine and make sure there are no leaks through the pipes.
50. Install the remaining parts.
51. If the car is equipped with air conditioning and the refrigerant has been drained, it must be refilled at a specialized service center.

The photo shows some points when replacing a chain on a Chevrolet Niva.

Nuts and pulley removed The front cover has been removed Removed cover with seal New oil pressure sensor Chain length difference New oil seal installed The nut retainer is inserted into the gear holes Timing belt replacement completed

When installing the pulley, it is necessary to check the correct installation of the ignition, which can be aligned along the crown on the pulley. There is a section on the toothed rim of the pulley that is missing one tooth. When the piston of the first cylinder is at TDC, this section is in the lower position. In this case, the twentieth tooth, when counting counterclockwise, should be opposite the crankshaft position sensor.

The relative position of the marks on the pulley

Algorithm of actions when changing a belt

Replacing a belt is a more complicated procedure, so you will need the following tool:

• a complete set of wrenches and sockets;
• screwdrivers with flat and Phillips blades;
• camshaft stopper, although this part is optional. If desired, you can purchase a set of shaft clamps JTC-4186.

The Opel engine needs its own spare parts:

• original (or analogue) timing kit for the Z18XE engine (belt and three 3 pulleys);
• original (or similar) coolant pump.

The process of replacing a belt on a car equipped with an Opel engine with power steering (hydraulic power steering) is as follows:

1. Dismantle the engine and air conditioner radiators with fans installed on them. This will drain the coolant.
2. Remove the air filter housing.
3. Remove the generator and compressor drive belt. At the same time, the belt tension mechanism is also removed.
4. Remove the upper part of the plastic timing case.
5. Set the marks on the shaft gears - they should coincide and be opposite. In this case, the mark on the pulley should coincide with the notch on the engine crankcase.
6. Unscrew the screws and remove the crankshaft position sensor, as well as the tension roller. The roller fastening usually does not unscrew easily; it is often knocked down with a chisel.
7. Remove the pump mounted on three bolts.
8. Clean the mating surfaces, lubricate them with high-temperature sealant and install a new pump.
9. Install a new drive belt and tensioners. Check the alignment of the marks on the shafts, crank the engine several times and re-check that the marks match.
10. Install the removed parts.
11. Fill with new coolant.
12. Contact a specialized service and refill the air conditioning system.

The photo shows the stages of replacing the timing belt on a Chevy Niva with an Opel engine.

Preparing to start work - radiator removed Everything is ready to install the radiators in place

Replacement cost

The cost of replacing the chain will be 2,600 rubles when purchasing a ready-made kit. When purchasing parts separately, the cost of the parts will be 800 rubles for a chain, 1500 rubles for a set of gears, 240 rubles for a damper and tensioner, and 550 rubles for a tensioner. When purchasing a set separately, the owner must have an amount of at least 3,100 rubles. To this you need to add about 300 rubles for a new oil seal, about 1 thousand rubles for cooling fluid and up to 3 thousand rubles for refilling the air conditioner (if it is present and there is a need).

Buying a belt for Opel engines will lighten the owner’s wallet in the amount of 3,300 to 4 thousand rubles. The price of the pump ranges from 2800 to 6300 rubles. To this it is necessary to add about 1 thousand rubles for replacing the coolant and about 2-3 thousand rubles for refilling the air conditioning system in the cabin. The final price will be at least 10 thousand rubles. Purchasing a set of clamps for camshafts will cost another 2,500 rubles.

The cost of performing work at a specialized service depends on the city. In Moscow and other large cities, the price tag for work reaches 7,000 rubles. At the same time, in small regional centers the cost of replacement is more humane and does not exceed 2500-3000 rubles.

Consequences of untimely shift

When using a car for a long time with a stretched chain, a moment is inevitable when it slips over the teeth of the drive gears onto one or more links. In this case, the valve timing is disrupted and the minimal consequence will be a sudden stop of the engine. If the chain slips a few links, the valve plates will meet the piston crown. In this case, the motor receives severe damage, which can only be corrected by overhauling it. For a belt drive, the situation is more dangerous, since the belt simply breaks and the valves and pistons meet. Opel engines have 4 valves installed in each cylinder, so repairing such an engine will be even more expensive. To prevent such a problem, it is necessary to strictly follow the timing drive replacement regulations.

Sooner or later, the car owner is faced with what is required; replacing the Niva Chevrolet timing chain is no exception. Unlike a belt, which has a shorter service life and breaks when it is completely worn out, a chain has a huge service life, and there comes a time when, unlike a belt, it simply stretches and needs to be replaced.

It is almost impossible to say exactly when replacement is required, and to understand that it has stretched, you can only disassemble the engine, but this is not an easy task. Therefore, you can understand that the chain is stretched by the operation of the engine; during operation, if stretched, a ringing sound will be heard, it may resemble the operation of a diesel unit. As a rule, it needs to be replaced at a mileage of about 100-150 thousand kilometers. In case of wear, not only the chain changes, but also:

• Pad
• Stuffing box
• Gears

And if they are not changed, this can lead to it breaking during movement. Only replacing all elements of the system will guarantee its high-quality and long-term operation, and it is somehow impractical to disassemble the engine floor to replace one part.

Removal

Changing a chain on a Chevrolet Niva is much more difficult than replacing a belt. To do this, you should do the following:

Installation

After removing all elements of the system, you need to perform the correct installation and configuration, for this you need to do the following:

Before installing the chain, take engine oil and lubricate it, then put it on the new elements as follows:

1. We put it on the crankshaft gear
2. Then to the oil pump
3. Then to the camshaft

After replacement, the tensioner is installed in place, the marks of which must coincide with the chain tension; after checking, we tighten all the bolts. Lubricate the gasket with sealant located on the timing cover and install it in place. We install the pulley and two belt rollers in place and tighten the bolts that secure them. Engage 4th gear and tighten the pulley nut. We install all existing pipes, hoses, radiator, fan in their place, and fill with antifreeze. We start the engine for a couple of minutes and check how it works; if everything works properly, we install the protection with the boot in place.

To tension and adjust the chain, a Niva Chevrolet chain tensioner is installed. Without this part, normal engine operation is impossible. While the car is operating, the parts rubbing against each other wear out, which also leads to the timing belt stretching, which is quite natural; for this reason, the car is equipped with a hydraulic tensioner.

This part is located on the passenger side in the engine compartment under the cooling system pipes.

In case of large stretching, it must be replaced with a new one; to do this, you need to carry out the following procedure:

The old Niva Chevrolet hydraulic chain tensioner cannot be repaired, so it will have to be replaced with a new one.

Assembly

To perform reassembly we perform the following steps:

1. We take a new part and put it in its place
2. Take two bolts and screw the device to the engine
3. We connect the tube through which the liquid is supplied

Closer to one hundred thousand mileage, even if there is no extraneous noise in the engine area, then in any case the part must be checked for stretching and damage.

Valve train chain

If during engine operation there is a ringing sound that resembles the operation of a diesel engine, then most likely the Niva Chevrolet timing chain needs to be replaced.

Replacement

If you do not replace it in time, it may break while driving. To replace, do the following:

Installation

When the Niva Sherole timing chain and all necessary system elements have been removed, you need to correctly install and configure the new parts, for this you need:

1. Take the fastening bolt and install it on the shoe
2. We check that the shoe is stationary and then tighten the bolt
3. We install the new gears in their place so that they coincide with the existing marks
4. We install the clamp, if for some reason it does not sit in its place, we file it

Before installing the chain, it must be lubricated with engine oil, after which it can be put in place as follows:

1. First on the crankshaft gear
2. After that, to the oil pump
3. And finally on the camshaft

To ensure better operation and fixation of this mechanism, it contains special Niva Chevrolet timing marks. If they are not taken into account when installing the chain, this can lead to the gas distribution system becoming out of synchronization and increased wear of parts.

Adjustment by marks is carried out in several stages:

1. All necessary tools are prepared
2. The car is installed on the pit
3. The fan is turned off and the radiator mount is unscrewed
4. Removing the valve cover

When all the preparatory steps have been completed, the following adjustments are made:

1. Rotate the crankshaft until the bearing and camshaft marks match. If the chain is installed correctly, the existing marks on the chain cover and crankshaft will match. If they do not coincide, we adjust the position of the phases
2. To make this adjustment, loosen the fastening at the lock washer, then use a 13 key to remove the washer along with the camshaft sprocket
3. We set the first gear so that the bolt that secures the crankshaft gear does not turn. Unscrew the fastening bolt and lock washer
4. We remove the tensioner.
5. Pull the chain towards you and remove it from the sprocket
6. To adjust it, move it one tooth
7. We begin to turn the crankshaft until the notches coincide
8. Install the lock washer. We place the bolt in the place for fastening, but do not tighten it
9. Rotate the crankshaft and check if the marks match. If they match, then the work can be considered completed

It is important that the marks match as accurately as possible, since the correctness and stability of the engine will depend on this.

Tranquilizer

Another important element in this system is the Niva Chevrolet chain damper, which prevents the resonance effect from occurring. This system consists of the following elements:

The damper is located inside the cylinder head on the front side and is attached to it with two bolts. If it is damaged or worn out, vibrations appear, which can lead to the chain jumping and thereby damaging the motor.

Replacement

To replace, you will need a ten-size socket wrench and a screwdriver. When the tool is ready, we go through the following steps:

It is necessary to purchase a new element exactly the same as the one that was installed previously, since models that were produced earlier may have a damper of a different shape.

Bottom line

Summarizing everything written above, we can conclude that to carry out this work you do not need to have special knowledge or have a special tool, therefore, if necessary, following all the above instructions, you can do all the work yourself.

These are the icons on car parts

When purchasing this or that item, we usually pay special attention to its external characteristics and functionality. The correctness of your choice determines how long you will be able to use your purchase. This applies to absolutely any thing - cheap and expensive, small and large. And the car is no exception. With its acquisition, the life of most car owners changes radically. Therefore, the quality and duration of its operation will depend on how responsibly you take the choice of a machine.

Front-wheel drive, rear-wheel drive and all-wheel drive vehicles can fail due to either too hard work or prolonged downtime. Therefore, constant care of every part and component of the machine is simply necessary.

This also applies to gas distribution mechanisms on the Chevy Niva all-wheel drive. The timing belt is controlled by a process such as the change of phases that occur in an internal combustion engine. These phases are able to control and regulate the distribution of gases inside the engine. The timing belt includes:

• camshafts,
• rods,
• valve springs,
• the valves themselves,
• parts that regulate valve rotations.

If you think that there are problems with the operation of the Chevrolet Niva gas distribution mechanism, do not rush to fix it right away. First, show the car to experienced car service workers. It may turn out that the problem is caused by a breakdown in a completely different place.

It is necessary to undergo a technical inspection as often as possible. In this case, there is absolutely no need to carry out a complete diagnosis every time. You can pay attention to some things less often, and to others more often (for example, replacing the timing belt). If you do everything on time, you won’t have to clutch your heart when you see the impressive list of faults that the specialists will issue.

How to remove the timing belt?

Belt removal

When carrying out this procedure, you need to adhere to a strictly defined algorithm so that everything is done quickly and accurately. If you follow the instructions carefully, changing the belt will not be difficult.

First you need to install the Chevrolet Niva car where it will be most convenient for you to carry out all the necessary manipulations. Once you have chosen a location, set the parking brake and then support the wheels with wheel chocks. The front part of the car must be jacked up and several supports placed under it.

Now you can begin the process of emptying the Chevrolet Niva radiator. In this case, you must be as careful as possible, since the coolant should under no circumstances interact with the drive belts. Once you have completed the task, remove the radiator.

Remove all parts that may interfere with operation:

• water pump pulley,
• cooling fan,
• drive belts for steering pump, generator and compressor,
• spark plug,
• screen protecting the distributor.

The dot alignment mark of the left camshaft gear should coincide with the mark located on top of the rear timing cover section. The first mark should align with the mark on the oil pump housing. Next, you need to temporarily install the crankshaft pulley bolt so that the mechanism can turn. The tensioner nut should be loosened, allowing you to unscrew it and remove the timing belt.