Generator "Chevrolet Niva": the possible fault and repair

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2019-12-28 17:20:19

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A Real favourite among modern SUVs on the automotive market of the country is the car "Chevrolet Niva". It combines superior quality as a tourist SUV and car for family trips. Thanks to its light weight and short overhangs, "Chevrolet Niva" can ride on the road and the fords. He easily overcomes the steep climbs.

But the electronics system is one of the most vulnerable areas of the car. Regular inspection of components, with timely removal of dirt and moisture, repair is not required even throughout operation of the vehicle.

The generator

For reliable and quality work of electronics system generator meets the "Chevrolet Niva". The owner should be to identify possible malfunctions and to carry out quality repairs as the functioning of all lighting products depends on its soundness. It also affects the battery life. Continuous supply of electricity is provided by generator.

Though it has a small size, the generator has great strength. To avoid failure and not out of order car regulator, the owner must comply with the rules of operation of a motor vehicle.

alternator Chevrolet Niva

Particular attention should be paid to how the generator is "Chevrolet Niva". Malfunction that caused it to fail in its work, you can determine on automotive diagnostics. And the repair is completely dependent on complexity of failure.

Failure that happen in the generator

Generator "Chevrolet Niva", a photo that provided in our article, may have the following faults:

  • Damaged or is completely worn pulley;
  • Collector brush worn out;
  • Failure of the rectifier;
  • The failure of the voltage regulator;
  • Worn manifold;
  • Worn or completely destroyed bearing;
  • Damaged wire charging circuit.

alternator Chevrolet Niva malfunction

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The car Owner should be familiar with the main causes that can cause malfunction of the generator. In addition, you need to know and how to remedy these failures, as well as preventive measures to prevent it.

Generator "Chevrolet Niva"

Depending on the type of current, alternators are AC and DC. The owners named the car sometimes do not know, but for this model used what are the generators? "Niva Chevrolet" provided an Electromechanical device AC. Here built a diode bridge — a rectifier. To provide work for the consumers, it converts AC to DC. The diode bridge since the generator is a single mechanism, they can be located in the enclosure and in the lid of the generator.

The latter affects the speed of the car and revs his engine, as the generator is connected by a belt with his knee shaft. To adjust the output current of the installed relay-voltage regulator. In addition, modern embedded generators integrated voltage regulators.what are the generators of the Chevrolet Niva

Generator "Chevrolet Niva" may be subject to the following conditions:

  • Electrical;
  • Mechanical.

If the fault is mechanical, then it includes a breakdown of the attachment housing, an unhealthy state of compression springs, bearings, belt drive or other failure that is not associated with the electrician.

The first type of faults possible breakages of the winding, burnout or wear of the brush can penetrate the rotor, and between the turns to be shorted. May be in a failed state diode bridge and a relay controller.

Sometimes there are signs indicating that the generator "Chevrolet Niva" is faulty, but this problem can absolutely cause other breakage.

Symptoms of the generator

As a rule, signs of generator failure are several:

  1. At the working engine the control lamp battery discharge or flashes continuously, without a break burn.
  2. Car lights dim color, and when the engine is rattling of sound or quiet as a mouse.
  3. Battery quickly loses charge.
  4. With the increasing number of revolutions significantly changed the brightness of headlights.

The alternator Belt "Chevrolet Niva"

Not to get in trouble, you need to make sure that the alternator belt "Chevrolet Niva" was in working condition. Thus, the presence of mechanical damage to the pulley can damage the belt, as a result, it may break off.alternator belt Chevrolet Niva

Replace the generator belt

To change the alternator belt "Chevrolet", it is necessary to use the following tools:

  • Screwdriver
  • Jack;
  • A set of keys.

In the car "Chevrolet Niva" replace alternator belt is as follows:

  1. You Need to remove the connector from the crankshaft position sensor.
  2. Unscrew and remove the bolt that fastens the sensor.
  3. The Nut retaining the generator, you need to slightly loosen and slide it to the unit. When the offset generator its belt will weaken and will be removed without any problems.
  4. With the Jack installed on the side where you placed the generator, raise the car,engaging first gear.
  5. Pulling the belt to the pulley away from the pump. Spin the wheel to the pulley moved to the place of backstay.
  6. Then remove the belt from the other pulleys.
  7. New first, you need to put on the alternator pulley and the crankshaft pulley, and then throw the pulley of the pump.
  8. Turn the wheel until the until the belt is on the pulley.
  9. Put the generator in place and pulling the strap, attach it with the nut to the bracket.
  10. Put in place the crankshaft position sensor.

The Process to replace the alternator belt over.

Video generator

The belt Tension affect the operation of the generator. A movie generator "Chevrolet" regulates it. During operation of the vehicle must ensure that the roller was in good condition. The appearance of the slightest suspicion on failure "Chevrolet Niva" beyond repair.video generator Chevrolet Niva

How to replace roller-tension

The roller Device of the generator is quite simple. The bearing — it is the main part. With the weakening or deceleration of the belt, it is necessary to check the bearing itself, scrolling it manually. A healthy of roller rotation quiet, no jerks and bite. When a faulty condition of the roller, it is necessary to carry out its replacement, which is possible even in the garage, with a minimal set of devices.

A Crowbar or other tool that can prevent movement of the crankshaft, place the clutch disc was blocked. Loosening the bolt that attaches the roller to remove the voltage on the strap. Remove completely the bolt axis, the roller tension is removed. Then install the new roller and adjust the tension of the belt.

Replacing the roller, it is necessary to conduct a re-inspection to check his work. The user manual has detailed instructions concerning the described problem.

Brush generator

To the voltage drop in the electrical system of the car can cause worn brushes of the generator of "Chevrolet Niva". It is considered one of the main and frequent causes of this type of fault. But since the generator has a simple construction, and it is easy to get to, to replace its brushes may even an inexperienced motorist.alternator brushes Chevrolet Niva

The Main symptoms of the brushes are:

  • Occur in the voltage of drawdown;
  • Does not hold a charge the battery;
  • Weak headlights at night, the blinking;
  • Radio is disconnected, etc.

Usually when passing inspection rarely test small elements of the generator. Therefore, worn-out brushes can remind myself unexpectedly. But before you decide that the replacement of brushes of the generator of "Chevrolet Niva" is needed, it must determine if there are other faults that can cause similar signs. And just making sure you can disassemble the housing of the generator.

Replacing the alternator brushes

When you replace the brushes, voltage regulator removed together with them in the Assembly. This removes the negative terminal of the battery and disconnected the wires that go from the casing of the generator.

And Then detaches the connector wires. Their tips with a positive terminal, remove the rubber cap, performing protective functions. Then data wires need to Unscrew the nut by which they were attached to the generator unit and remove them.

Disconnect the spring latches of the generator, remove its black cover, made of plastic. Using a Phillips screwdriver to Unscrew the fastening of the voltage regulator. To get it in the kit with brushes. Then disconnect the connector wires from it.

Replace alternator brushes and install ago, following the reverse order.

When the length of the rods of the brushes is less than 0.5 mm, they must be replaced. But if the brushes are in working condition and the generator "Chevrolet Niva" is not supplying the charge necessary to check the operation of the voltage regulator and circuit from the regulator to the brushes.

Causes the replacement of the generator

One of the reasons, when replacing the alternator on "Chevrolet Niva" is a must — is damage to the windings. If this happens, something needs or fast, or have to buy a new generator. Maybe the repair will cost a little less, but the guarantees about the quality of rewinding and uninterrupted supply of current to the battery nobody will give you. replacement alternator for Chevrolet Niva

Removing generator

For this process you need to take a Phillips head screwdriver. In addition, it is necessary to resort to the help of automobile tester, or ohmmeter, for 10 key and lamp control.

To change the generator, it is necessary to get from the engine compartment. First, you must separate the wire and battery terminal with a negative charge. Next, disconnect block with wires and the output of the generator, and took out a protective case. Then, undoing the nut, disconnect the wire on the contact bolt of the generator. Then Unscrew the bolt that secures the alternator on the tensioner bracket, and pull it out. You also need to Unscrew the mount, having the form of a bolt, at the bottom of the generator.

Then remove the belt. After removing all the bolts, the alternator must be removed from the bracket, using the mounting paddle. To install a new, you need the whole process to go in reverse order.

Replacing the described Electromechanical device, it is necessary to inspect the belt and its drive to adjust the degree of tension. But beforeto change the old generator "Chevrolet Niva" on the new, you must make sure that replacement is really necessary. There are times when repairs can be done yourself, without the help of professionals.

In order to avoid confusion, it should be noted, as correctly placed cover of the generator. Next you need to remove the plastic protective cover, unfastened it three latches. Voltage regulator and brush holder removed along. To clear the rectifier and the capacitor, disconnect the wires from the terminals of the regulator. The stator winding has three output. And to make the operation for removing the rectifier unit and condenser, you'll need these insights to bend a little. Prising with a flat head screwdriver on the side where is located the slip rings, remove the cover from the generator.

Holding in the grip of the rotor of the generator, Unscrew the mount from the pulley. Then take out the spring washer, pulley and thrust washer. Then gently pulled out the rotor and the distance ring and checked their condition. If on the ring there are traces of damage, scratched and visibly worn condition — it must be sanded normal skin. With poor result, the ring is sanded on the lathe with the removal of a small layer of metal.

Connecting the rotor with slip rings, check up a tester resistance of its windings. If the wiring is broken, the instrument shows an infinite reading. For this reason, the rotor must be replaced.

To verify That encloses the rotor winding or not, you need a test lamp to include in the network, which is AC 220 V. Single lamp wire attach to the rotor, to the second queue connects each ring. If the lamp is on — is necessary to replace the rotor.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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