How much does it cost to replace a Priora generator with air conditioning?


All Lada Priora owners have at least once experienced engine oil consumption exceeding the norm and a broken timing belt. Loss of engine oil occurs because:
  • – valve stem seals (oil seals) wear out over time and temperature;
  • – the valves swing due to worn valve bushings and also break the valve seals;
  • – the oil, since the oil seal has little resistance, flows down the valve and enters the combustion chamber.

To prevent this from happening again, it is recommended to replace the connecting rod and piston group in the engine with a plugless one.

Life hack: removing the generator on a Lada Priora car

Without electricity, nothing will work.
So on a car, the voltage in the on-board network is maintained by a generator. You need to understand how many amperes you need in the on-board network. It all depends on the amount of attachments, air conditioning, heating, etc. Depending on the configuration, a generator is also selected. Read the article to the end and we will cover this topic. Removing and replacing the generator on a Lada Priora car depends on the attachments; if the car does not have air conditioning, then the unit can be removed in 6 steps. If the air conditioner costs 9 steps, we will talk about them in the article. This part on Priora comes in 3 types. Their prices are also different.

Conversion of the Priora engine to plugless pistons

To replace the pistons, you need to disassemble the engine. Step-by-step engine disassembly:

  • put the car on a lift;
  • drain the oil, antifreeze, remove the head;
  • remove the pan, unscrew the oil receiver;
  • unscrew the connecting rods and dismantle the connecting rod and piston group;
  • replace the pistons with plug-in ones (having previously determined the type and size of the pistons);
  • replace all gaskets, oil seals, valve stem seals (engine repair kit);
  • replace the oil and filter with new ones;
  • make valve adjustments;
  • assemble the engine.

When replacing the piston, you need to remember the correct placement of the connecting rod and piston relative to the crankshaft and block.

Replacing pistons on a Priora increases engine reliability, normalizes fuel consumption, and makes the engine more flexible in different operating modes.

Replacement of piston rings, connecting rod and pins, if they are not worn out, is not carried out. You can leave your family.

Standard generator on Priora - article number and price, where it is

The installation location may vary for different car brands and models. You should look for it in the engine compartment, near the rubber cushion on which the engine is mounted. 90A article 3282.3771, is a source of energy in the electronic equipment system of 2170-72 Priora cars.

Generator for Priora produced by BATE price from 4120 rubles

  • Weight 5.5 kg
  • LxHxW 200x170x200 mm
  • Rectified current 90 A
  • Power 0.98 kW
  • Voltage 14 V 100 A

It has article number 5132.3771 and is a source of energy in the electronic equipment system of 2170-72 Priora cars.

Generator for Lada Priora with air conditioning manufactured by Pramo price from 4200 rub.

  • Maximum rectifier current 100 A
  • Weight 5.3 kg
  • Voltage 14 V
  • Power 233 W/kg
  • Internal cooling
  • Stator diameter 125 mm
  • 115 A

It has article number 9402.3701-14 and is a source of energy in the electronic equipment system of 2170-72 Priora cars.

Article number - 2170-3701010-10 has a KZATE generator for the Lada Priora car, its price starts from 5300 rubles, and Bosch - 2170 3701010 13

Device manufactured by LKD - price from 4400 RUR

  • Maximum rectifier current 115 A
  • Weight 5.2 kg
  • Nominal voltage 14 V
  • Power 1610 W
  • Stator diameter 125 mm
  • Length 188 mm
  • 115 A

It has article number 9402-14 and is a source of energy in the electronic equipment system of 2170-72 Priora cars.

120 A Has article number 9402-3701-14P, is a source of energy in the electronic equipment system of 2170-72 Priora cars.

  1. Maximum rectifier current 120 A
  2. Weight 6 kg
  3. Nominal voltage 14 V

Manufacturer ATE-1 cost from 4000 rub.

The generator tension roller 2170 serves to tension the belt. One of the important tips for beginners: if you unscrew any bolt when changing a part, lubricate it with graphite grease, this will greatly facilitate repairs in the future.

Replacing the heater radiator on a Priora with air conditioning

After some time, the manufacturer began to equip its cars with air conditioning (climate control), for example, HALLA or Panasonic (article: 21703-8101012). The design of the new Priora heater from a maintenance point of view turned out to be much more convenient. Now, to replace the stove, you do not need to dismantle the frill, windshield wipers, heater or vacuum brake booster.

It is only necessary to: remove the sound insulation of the engine shield, remove the engine air filter hose and the seal in the area of ​​the heater radiator hoses. All! Drain the antifreeze and remove the radiator towards you, towards the engine.

Video instructions are attached:

Thus, replacing the radiator of a Priora stove depends not only on the type of heater, but also on the chosen method of replacing it. How did you remove the heater radiator on your car? Which method suits you best? Let us remind you that solutions to other problems with the stove can be found in this article.

Keywords: Lada Priora stove | air conditioner Lada Priora

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The principle of operation, what it consists of and the main malfunctions

The generator converts the mechanical energy coming from the engine into electrical energy. The principle of operation and its design are the same for all cars. The difference lies only in the quality, dimensions and location of the connecting nodes.

What it consists of:

  1. Pulley - transmits mechanical energy through the belt from the engine to the generator.
  2. The body is presented in the form of two covers. The starter is attached to them and the rotor supports are placed. The back cover contains external terminals for connecting to electrical equipment, a voltage regulator, a rectifier and a brush assembly.
  3. Stator - produces power. It is made of steel sheets and has the shape of a pipe. A three-phase winding is installed in the stator slots.
  4. The rotor is the moving part of the unit. When the engine starts, the rotor begins to rotate, and voltage is supplied to its exciting winding from the battery. The steel core becomes electromagnetic, creating an alternating magnetic field when rotated.
  5. Voltage regulator - maintains voltage stability in the on-board network when the ambient temperature and rotor speed changes.
  6. Assembly with rectifier diodes
  7. Diode module cover
  8. The brush assembly is a removable structure where brushes are installed that interact with the rotor rings.

Principle of operation

When you turn the ignition on, current from the battery enters the field winding through the brush assembly, where a magnetic field appears. When the crankshaft rotates, the rotor goes into rotation. The magnetic field passes through the stator winding and an alternating voltage is generated at the output. Having reached a certain rotation speed, the excitation winding begins to be powered directly from the generator.

The alternating voltage is changed to constant thanks to the rectifier unit. Now the generator charges the battery and powers consumers. When the rotation speed changes, the voltage regulator is connected to the operation.

Basic faults

Why does the generator not charge the Lada Priora car? There may be several reasons:

  • the diode bridge is damaged;
  • the turns of the stator winding are closed;
  • slip rings wear out;
  • the pulley is damaged or worn out;
  • the wires of the charging circuit are damaged;
  • the bearing is destroyed or worn out;
  • the voltage regulator is damaged;
  • The current collecting brushes wear out.

In all of the above cases, repair of the Lada Priora generator will be required.

Removing and installing the generator

For the owner of a vehicle manufactured by AvtoVAZ, which is equipped with air conditioning, the question of how to remove the generator from a Lada Priora car will be more difficult.

Tight installation of components and assemblies under the hood will complicate the procedure. Installation of a new unit is carried out in the reverse order of the removal procedure. After replacing, do not forget to tighten the timing belt.

How to remove a generator on a Priora with air conditioning:

  1. Remove the protection on the engine.
  2. We loosen the tension of the drive belt roller.
  3. The upper mounting bolt can be easily unscrewed with a 13 mm socket wrench.
  4. The bolts that hold the air conditioning compressor are unscrewed.
  5. The Lada Priora alternator belt going to the compressor is being replaced.
  6. The part should be moved slightly towards the battery. This will give you access to the bolt that secures the air conditioning compressor.
  7. After unscrewing the last fastener, the compressor is hung. There is no need to fix it.
  8. Now the bolts securing the part are unscrewed.
  9. The terminals are disconnected and the alternator belt of a Lada Priora car with air conditioning is replaced.

Without air conditioning

  1. Disconnect the terminals from the generator connectors.
  2. Remove the drive belt. To do this, you need to loosen its tension.
  3. Unscrew the generator bracket bolts. Top and then bottom. The bottom bolt is unscrewed from under the car.
  4. We turn out the adjusting bolt.
  5. Remove the bottom bar.
  6. We remove the part.

Symptoms of malfunction and diagnostics of the piston group

Of course, if the pistons break after hitting the timing belt, the car simply won’t start, that’s all. But how to determine normal wear or burnout of a piston that requires replacement? The first sign of possible wear on the piston unit is a drop in engine power. Of course, this could be a symptom of many other problems. For example, fuel supply systems. But it doesn’t hurt to check the condition of the Priora pistons.

Even in the current era, in the era of total computerization and widespread use of electronics, the condition of the pistons is controlled by the good old compressor. This is a pressure gauge equipped with a special valve that “collects” the pressure in the cylinders in several strokes.

How to measure the compression of a Priora piston

You must do this work together. One of the participants in the process is driving the abbot. At your partner’s signal, you must fully depress the accelerator pedal and turn on the starter, cranking the engine until the second participant gives the green light.

After this, a signal is given and the partner turns the starter. The device will show the condition of the pistons and the need to replace them.

Which pistons to replace?

Typically, these parts are marked with a repair number. But these details can only be determined by an experienced mechanic. But there is one feature that cannot be avoided when replacing the piston. There must be a groove for the valves. When replacing with such pistons, if the belt breaks, nothing inside the engine will be damaged.

How to tension the alternator belt

When checking whether the belt is tensioned on a Priora car, keep in mind that marks are applied to the camshaft pulleys. Rotate the crankshaft until the marks on the camshaft pulleys coincide with the cutouts on the reverse side of the drive.

With normal timing tension, the protrusion of the inner sleeve of the tensioner pulley should coincide with the opening of the outer race. If the belt is in good condition and the marks do not match 1/2 of the reach width, the tension should be adjusted.

  1. Loosen the bolt holding the tension roller.
  2. Make sure the cutout of the roller aligns exactly with the protrusion on the back of the roller bushing.
  3. Using wrench 15, tighten the tensioner pulley bolt.
  4. Simply put, to tension the belt, the generator roller needs to be turned in the opposite direction clockwise.

Reasons for replacing the belt on a Priora and how to change it

The serpentine belt of the Lada Priora 2170 generator with air conditioning has a size of 742 mm, without air conditioning with power steering - 1125 mm. It must be replaced every time after 60,000 km of the vehicle, or two years after its installation. When the timing belt wears out, the valves may meet the pistons, which will lead to engine repair. An unscheduled replacement of the alternator belt of a Lada Priora 16 valve car with air conditioning may be required in the following cases:

  • delamination or cracks of the rubber surface;
  • folds and cracks on the inner surface of the teeth;
  • delamination of the end surface;
  • traces of technical fluids on the surface of the belt;
  • prolonged operation of a tightened belt.

Source

Non-stick pistons

Non-stick pistons have valve grooves at the top so they do not “stick” into the valves, hence the name. There are 3 types of plugless pistons for Lada Priora: STI, STK, AVTRAMAT.

STI pistons

These are forged pistons; they are manufactured at a plant in Tolyatti. They have deep grooves and a flat bottom. The skirts are covered with graphite. Recommended for installation on an engine that requires alignment of the plane of the cylinder head.

To repair engine 21126 (1.6 l 16 valves), a piston STI 216.08 with a diameter of 82.0 mm is intended. Pins and stoppers are not included. If repairs without increasing the diameter are impossible, then pistons 216.09, 216.10, 217.16 or 217.17 are used and they are accompanied by piston rings with diameters of 82.5 mm, 83.0 mm, or 84.0 mm.

STK pistons

STK pistons are manufactured at the Samara Trading Company. These pistons are the “medicine” for piston groups.

Their alloy is different from the alloy of factory pistons. The piston skirts are similar to the factory piston skirts and are coated with a malicot anti-friction coating.

Their disadvantage is that not all pistons have normal side grooves for oil drainage. Therefore, to prevent them from eating oil, you need to drill the missing grooves with a 2-4 mm drill. With a 3.5 - 4 mm drill, you need to drill carefully, especially on the right, so that the drill does not jump out, catching on a sharp edge.

Since 2022, STK began making new models of pistons. They have 2 oil drains on the side that extend to the middle of the groove and there is a transition from the oil drain slot to the holes, like factory pistons. But there are now not 2, but 4 holes for draining oil on each side, which improves oil drainage and increases the strength of the piston.

The VAZ 21126 Priora piston group with a diameter of 82 or 82.5 mm is designed for the Lada Priora. Standard equipment: piston, pin, piston rings. It is possible to purchase components separately.

AVTRAMAT pistons

Pistons are manufactured at AVTRAMAT LLC. Their alloy is identical to the alloy of the factory pistons, and the skirt is much wider.

To avoid oil consumption, you need to use a 2 mm drill to drill holes at the ends for the oil drain (since they are not made at the factory). As the drill begins to pass through, bore the hole down to drain oil from the lower edge of the oil scraper ring.

To repair the VAZ 21126 engine, the piston 21126 - 1004015 M-U is intended.

Advantages of pistons with valve grooves

  • The engine is not damaged, since the valves fall into the grooves when the timing belt breaks.
  • The pistons do not overheat and rarely burn out or crack.

Disadvantages of pistons with valve grooves

  • The compression of the working fuel mixture worsens and the volume of the combustion chamber increases, and as a result, engine power decreases by 10% and fuel consumption increases by 10%.
  • When a mixture of gasoline and air is compressed, the pressure of the piston is distributed unevenly.

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