Step-by-step replacement of spark plugs on VAZ 2114 and 2115 cars on your own

Author: Ivan Baranov

Spark plugs for VAZ 2114 and VAZ 2115 are an important element of the ignition system, on which the successful start of the internal combustion engine depends. The article discusses cases when it is necessary to change spark plugs (SZ), which spark plugs to install, and also provides instructions for replacing them on VAZ 2114 and 2115.

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When is it time to replace the spark plug?

The operating interval of one set of spark plugs is usually designed for fourteen to twenty thousand kilometers.
Although, the deadlines that manufacturers set are much longer - thirty thousand kilometers. Perhaps such a significant difference in numbers was due to the large number of counterfeit products on the modern auto parts market. And, nevertheless, if you trust the opinion of experienced car owners, then it is better to carry out the replacement procedure early rather than late. What troubles can they bring in used condition:

• Gasoline consumption will increase significantly.
• The cost of operating a car will increase.
• Starting a cold engine will become difficult and take a long time.
• There will be misfires.
• Engine operation will no longer be stable.

Helpful advice: often thrifty drivers put off buying and replacing spark plugs. This is mainly done for reasons of economy. But, as you already know, when they are heavily worn, gasoline consumption increases significantly and visits to the gas station become more frequent. Don't get carried away by the illusion of savings; replace regularly.

If your car has managed to accumulate an impressive mileage on one set of spark plugs, and the car’s traction has begun to weaken, then your VAZ 2114 needs to replace the spark plugs.

The best spark plug wrenches "head" type

Essentially, this is a regular socket for any 1/2 or 3/8 ratchet wrench, but with a longer body than a regular 14, 16 or 21 mm socket.

In first place is a domestic product under the Delo Tekhniki brand with a magnetic fastener at a very reasonable price.

In second place is the Berger VG2021 spark plug head with a polyurethane retainer. A reliable tool, but there is a possibility of running into a fake.

In third place is the OMBRA head with a rubber retainer. This particular model has been tested by time - the elastic began to fly off only after prolonged use. This ailment was easily corrected with the help of ordinary sealant. This model also came in 3rd place due to the fact that it is thin-walled and polished.

Is there a difference in brands and manufacturers?

There is a difference and it is significant. Before buying new spark plugs, you should once again look at the car’s operating instructions and check which marking is suitable for your car. On a VAZ 2114, replacement of spark plugs can be from either a domestic or an imported manufacturer. For carburetors with contact ignition, the A17DV spark plug will fit with a gap of 0.5 millimeters. For carburetors with a contactless system, the same is suitable, but with a gap of 0.7 millimeters. For those with injectors, the A17DV-10 at 1.3 millimeters is more suitable.

Engine tightening torques for VAZ 2113, 2114, 2115

Tightening torque of the cylinder head of the VAZ 2113, 2114, 2115 engine:

• We tighten the M12XI.25 bolts for the cylinder head connection 4 times:
  tighten the dowels with a force of 2 kgf/m;
• tighten the hardware with a tension of 7-8.6 kgf/m;
• tighten the hardware by 90°;
• Tighten the bolts again by 90°.
• M10 bolts fastening the engine cylinder head tire with a force of 6.7-8.3 kgf/m
• M6 dowel for connecting a cylinder head tire with a voltage of 0.2-0.5 kgf/m

Tightening torque of the camshaft of the VAZ 2114, 2113, 2115 engine:

• Nut M8 fastening the camshaft bearing housing with a force of 1.9-2.3 kgf/m
• M10 bolt for connecting the camshaft pulley with a voltage of 6.7–8.3 kgf/m

Tightening torque for main vases 2114:

• Dowel for connecting the main bearing tires of the crankshaft MlOxl.25 with an impulse of 6.8-8.4 kgf/m
• hardware connecting the oil receiver to the main bearing tire MB with a force of 0.8-1 kgf/m

VAZ engine crankshaft tightening torque:

• hardware fastening the crankshaft pulley M12x1.25 with a force of 9.8-10.8 kgf/m

Tightening torque for VAZ 2114, 2113, 2115 engine connecting rods:

• Nuts of bolts for attaching connecting rod caps M9xl with voltage 4.3 - 5.4 kgf/m

VAZ 2114 flywheel tightening torque:

• Hardware connection for handwheel M10x1.25 with voltage 6.1-8.7 kgf/m

Tightening torque for VAZ 2114 engine pump 8 valves

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What you might need

Before you get started, you should stock up on:

• Special spark plug wrench;

Candle key

• A small bottle of compressed air (or a tire compressor instead);

Compressed air cylinder

• Brush for cleaning from burning and dirt;

Wire brush

• Already purchased a set of new spark plugs.

Set of spark plugs for VAZ 2114

What candles should I put?

Choosing candles is a responsible matter. The service life of the engine, its power, fuel consumption, and successful starting depend on their quality.

When choosing, the greatest attention should be paid to the central electrode, such indicators as: heat resistance, thermal conductivity and ductility.

The best products are candles in which the smallest gap is 0.4 -0.8 mm, made of expensive materials: platinum, iridium, palladium coated with silver or gold (video author - Avtosferaomsk).

It is important to understand what kind of spark plugs are produced for the VAZ 2114. When choosing a new product, you need to study its characteristics in order to choose which spark plugs are better. A large number of SZ manufacturers have appeared on the car market, but there are several leaders whose products are in greatest demand. SZ must work synchronously, so you need to buy them from the same manufacturer and from the same material.

Domestic manufacturers include DVRM candles, produced in the city of Engels. They are installed on VAZs from the factory. The quality of the products corresponds to the price, but there are defects, so when purchasing they need to be checked for serviceability. Products A-17DVRM (1.0) are produced for engines with injector 8 and A-17DVRM (1.0) for 16 valves.

Domestic SZ A-17DVRM

Among imported products, good Czech Brisk candles. They are in demand due to their good quality. 10 series of these products are produced, differing in design. They have a clearance of 1.1, there is an SZ for 8 valve injection engines - BRISK SUPER FORTE LOR15YC-1 and for 16 valve BRISK SUPER FORTE DOR15YC-1.

Japanese products are always of high quality. These spark plugs are installed on some brands of cars directly at the factory. They have a higher price, but also have corresponding quality. When purchasing, you should beware of fakes, as there are a lot of them. For engines with 8 valves with an injector, DENSO W20TT is intended, for engines with 16 valves - DENSO W20EPR-U11.

NGK is a leading manufacturer of SZ. They are installed by manufacturers on some brands of foreign cars. As a car enthusiast, I claim that spark plugs last an average of 25-30 thousand kilometers. For engines with a 16-valve injector, NGK spark plugs No. 13 BPR6ES-11 are produced.

Replacement procedure

1. We turn off the engine and be sure to wait until it cools down;
2. Raise the hood lid and fix it in the open position;
3. If your engine capacity is 1.6 liters, then you will have to unscrew the fasteners and remove the plastic cover (owners whose engine capacity is below 1.6 liters do not face this procedure, because they do not have this plastic cover on their car);
4. We pull out the high-voltage wires using the rubber caps;
5. We remove the resulting dirt and carbon deposits with a brush;
6. We unscrew the spark plug by placing a spark plug wrench on it;
7. We repeat the same steps with the remaining old candles;
8. The new spark plug should be inspected again, the gap between its electrodes should be checked;
9. First, we tighten the new part by hand, not with a tool, this will protect the thread from breaking if the installation suddenly turns out to be incorrect;
10. We continue the twisting procedure, but with a tool;
11. We reconnect the high-voltage wires we removed earlier (the explosive contacts should fit snugly in the spark plug).

Attention! A common mistake for novice car enthusiasts. Each spark plug has its own high-voltage wire. Under no circumstances should they be confused. The wire must be connected to the cylinder in series, following the marking rules.

You should not tighten the parts with special frenzy; their threads can be seriously damaged by rough forceful movements.

How to properly remove the high-voltage wire from the spark plug on a VAZ-2114

Let's go further, carefully remove the high voltage wire from the spark plug of the 1st cylinder and place it on the cylinder head. It is necessary to remove high-voltage wires by holding them by the protective cap, and in no case by the wire itself, since in this case the contact between the wire and the cap can be broken, after which the armor wires will have to be replaced.

After this, it is necessary to mechanically clean carbon deposits and accumulated dirt from the sockets in which the spark plugs are installed. This must be done so that when replacing the spark plugs, the debris that has collected around them does not end up in the combustion chamber. Trying to wash off dirt is pointless and unreasonable, since all of it will somehow go inside the engine, which sooner or later will give results and cause damage to the piston group of your car.

After replacement

Unpleasant surprises can await car owners even after old ignition parts are replaced with new ones. This can happen if the store sold you a bad, faulty spark plug. In this case, the engine jerks and runs intermittently. Naturally, the defective part must be replaced again. And in order to determine which one is faulty, you will have to disconnect the explosives one by one. When the wire with a faulty spark plug is disconnected, no changes in engine operation are observed.

Replacing spark plugs on a VAZ 2114

Replacing spark plugs on a VAZ 2114

The next step is to unscrew the spark plug using a spark plug wrench, usually a 16 or 21 socket wrench, depending on what spark plugs are installed on your car. Spark plugs are unscrewed only when the engine is stopped and cooled; if this rule is violated, there is a possibility of getting burned and damaging the threads. If even after the spark plug is “torn off” it continues to unscrew tightly, there is no need to rush, make a couple of turns in the opposite direction and try to carefully unscrew it again. This must be done so as not to damage the threads in the cylinder head under any circumstances. If the spark plug is difficult and tight to unscrew, this may be due to the fact that a large amount of soot has accumulated on its walls or rod.

So, when the spark plug is unscrewed, you can install a new, pre-prepared spark plug. Install and tighten it until your fingers begin to slip, then arm yourself with a spark plug wrench and tighten it, being vigilant and careful not to accidentally strip the thread. Excessive tightening of the spark plugs is fraught with damaged threads in the cylinder head, as well as subsequent problems with replacing spark plugs.

How to extend the life of a candle

The idea of ​​extending the service life of our part seems very attractive. The question is how to do this correctly? Some drivers are confident that if they drive slowly, the spark plug will last them longer. And they are wrong! The spark plugs actually clean themselves, but only when driving fast. At high engine speeds, it is freed from the deposits that have formed.

In addition to high speeds, you can extend their service life by regularly checking the clearance. The latter must be within the limits established by the factory. Final recommendations:

1. Carefully select new replacement spark plugs. They should fit your car as best as possible.
2. In winter, allow the engine to warm up thoroughly before driving.
3. Under no circumstances should candles be flooded.
4. Always have an extra set of new candles with you.

Good luck on the roads!

What types of spark plug wrenches are there?

To make it easier for the master to decide which spark plug wrench is better, you need to familiarize yourself with all their varieties that are on sale:

1. Articulated
   . This is the most popular device, which is very convenient to use, since the movable connection of the key on hinges allows you to better adapt to the location of the candle. A tubular spark plug wrench carefully dismantles the element and helps install a new one.

2. T-shaped
   . Its design is more rigid than the previous type. And although it also has a hinge, it is installed at a slight angle of inclination. Due to its rigidity and strength, such a spark plug wrench can transmit great forces during operation. Many models are equipped with a magnet that keeps the candle from falling.

3. Tubular
   . This is the simplest and most budget option. There is no hinge in this way, but it is driven by a simple crank that comes with it. The advantage of this device is the presence of two heads that have different diameters. This makes the tubular spark plug wrench more functional and versatile.

Spark plug size

To tighten the candles, use wrenches that differ in thread diameter. There are long and short spark plug keys. Depending on the situation, the master may need keys of the following sizes:

1. 14 and 16 mm
   - they are used for repairing internal combustion engines of modern brands.
2. 19 mm
   – used for motorcycle engines.
3. 20.8 (21 mm)
   - standard key of the old European standard. Used in the repair of engines with two valves per cylinder. This model is useful for any Soviet passenger cars.
4. 22 mm
   - used to replace old spark plugs on ZIS and ZIL vehicles.
5. 24 mm
   - keys intended for spark plugs of the M8 brand.

Angular

When creating an assortment of such models, there are: domestic and foreign approaches. The first type of model (domestic), often called “humpbacked”, has profiles of different sizes on both sides of the tool, such as an open-end wrench. At the same time, the length of the sides hardly differs, and there is simply no passage cavity.

The foreign approach is that keys are made with the same profile sizes on both sides. In this case, the long and short sides of the key are clearly drawn. The short part of the tool in most cases has a through hole, which allows this side to be used for working with fastening joints on long studs. As a rule, working profiles differ in the number of edges; twelve-sided is often used on the short side, and hex-sided on the long side of the key. The picture shows the use of this model in hard-to-reach places.

The best spark plug wrenches are hinged type

In fact, the most popular spark plug wrenches are hinged ones. They are extremely convenient to use, but there are a huge number of cheap keys on the market with uncomfortable handles. The fact is that if the spark plug gets stuck (for example, because it was overtightened), then it will be very difficult to unscrew it with such a cheap key.

The spark plug wrenches in our top have a comfortable handle and are extremely reliable, tested personally.

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Signs of faulty spark plugs

Signs of faulty spark plugs:

• Reduced power of the power unit and increased fuel consumption;
• Wave-like acceleration when sharply pressing the gas pedal;
• Stopping the power unit at high speeds;
• Prolonged cranking of the starter when starting the power unit;
• Triple.

Some symptoms may appear under special operating conditions. For example, when warming up the engine at sub-zero temperatures. However, this still indicates that the ignition element is faulty.

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