How to change the ignition lock cylinder on a Daewoo Nexia with your own hands

replacement of all Daewoo Nexia N100 larvae

Good afternoon friends.
For a long time there was a desire to replace all the larvae. Because there is a problem. The key only fits the ignition switch and does not fit the doors. There were two times when I couldn’t get into the car (Ak sat down, then Ak died), I learned how to open it. In general, I purchased an analogue of the kit for 677 rubles in EMEXe. All characteristics correspond to the original. Moreover, this is also Korea. Here is the article number for the NSP kit NSP0196223338. I saw the difference - a tail at the end.

I read that they break it off - and everything is fine. But I decided not to break it off. The procedure is as follows: - unscrew the steering wheel (not necessary, but more convenient), - remove the plastic - remove the terminal from the contact group - unscrew the small bolt and remove the contact group - insert a hexagon into the hole

— inserted the key and began to turn it, the larva wanted to jump out, but stopped halfway and stood up as if dead. It turned out the steering wheel was jammed. — he substituted the open-end key and carefully knocked it out with a hammer, breaking the lock that secures the cylinder.

I cleaned the remains of the blocker on the cylinder. I put it back in and unlocked the steering wheel. I turned further away to prevent another wedge. — then inserted the key into the new cylinder and turned it to position 2, — it doesn’t get up. It turns out that the tail at the end of the larva comes from the factory, slightly bent, carefully aligned. I inserted it again and twisted the key a little. - Flew in - like coming home. - assembled a contact group. Checked - everything works. I noticed that there is practically no play. I was barely on the old one. Next I will change the doors and trunk. I completed the work with slight hysteria when the steering wheel jammed - 20 minutes before work. It’s easier with a cylinder on the doors and trunk. We remove the lining. We remove the metal rods from the larva. We remove the fastening with pliers (the black plate holds the cylinder). And the reverse sequence. Pay attention to the right and left sides of the larva. There is one bolt in the trunk.

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During the repair you will need:

• flat, Phillips screwdrivers;
• straight thin knitting needle or thick needle;
• wrenches 10mm, 12mm.

Dismantling

First, you need to remove the old lock in order to install a technically sound one. This is done in several stages:

1. Start the work by removing the terminal from the battery using a ten key. Use a Phillips screwdriver to unscrew the screws securing the steering column casing. To access the top screws, turn the steering wheel. You can remove the steering wheel completely, but this is not necessary.
2. After removing the steering column trim, access to the electrical mechanism we need opens up. Before removing the ignition switch on the Daewoo Nexia, you should disconnect the contact group from it. Using a Phillips screwdriver, unscrew the fastening screw and, as carefully as possible, remove the contact group, which looks like two small rings.
3. Dismantle the cylinder: unscrew the fastening bolts from the lock using a screwdriver, knock it down with gentle blows.
4. When disassembling the structure, it is necessary to check the condition of the contact group, since the cause of the malfunction may be in it. In this case, replace the element.

When the faulty mechanism is removed, proceed to install the new one.

Installation

Having established the cause of the breakdown, go shopping. Remember: for cars of different years of manufacture or assembled in different countries, certain lock options are provided. We recommend using the VIN number to determine the type of mechanism. Be sure to purchase new screws to secure the pieces as they are permanent.

To insert a new lock on a Daewoo Nexia, you will have to perform a series of actions as during dismantling, but in the reverse order.

1. We install the lock on the seat and securely fix the bolts.
2. We connect the contact group to the lock using a screw.
3. We fix the steering column trim. Access to the upper holes of the mounting screws is possible by turning the steering wheel.
4. Screw on the battery terminal.

Summary

Before changing the ignition switch on a Daewoo Nexia, it is worth considering that some inconveniences may arise. It is impossible to use the same key to start the engine and open the doors or trunk. The old one will perform the function of opening the doors and trunk, and the new one will start the car. If you are not ready to use two different keys, then you should change all the locking mechanisms at once. This can also be done without outside intervention because the remaining locks are easier to dismantle.

The option of replacing the secret of a new lock is not always suitable. To do this, you need to be careful, and perhaps have technical knowledge: there is a high probability that during the dismantling process the plastic decorative ring will be damaged and the metal protective ring that secures the cylinder in the structure will be scratched.

The procedure is carried out as follows:

1. The key is inserted into the keyhole, turned as it unlocks, and pressed into the hole with a wire or knitting needle. When the larva reaches 5mm, remove it using improvised means. If you mix up the secrets, the electric mechanism will stop working.
2. The larva itself has a cotter pin secured by a spring. To pull it out, you need to press down and turn the key towards the ignition. The cotter pin is released from the clamps and flies out, as the spring acts on it.
3. It is now possible to configure the secret to match the old lock.

On a Daewoo Nexia, the ignition key opens the doors and trunk. Accordingly, when replacing the mechanism, this function will be lost. The driver will have to use two keys, which is not very convenient and often leads to confusion. The problem can be solved in two ways:

• Purchasing a new set of cylinders for the ignition switch, doors and trunks and installing them in place of the old ones.
• Replacing the damaged core (plug) of the lock with a new one while maintaining the old security mechanism.

The second option is possible if you can purchase original spare parts; the Chinese-made larvae are not included in the body, and it will not be possible to fit them. Sequence of actions for replacing the ignition switch:

Insert the key and turn it clockwise until it stops. Using a suitable screwdriver, knitting needle or piece of wire, we recess the latch, this will allow the cylinder to come out of the body by about 5 mm

When performing this action, you should be careful so that the spring-loaded part does not “fly out” of the socket and get lost. We remove the core with the secrecy mechanism from the housing with extreme care. Using the described method, we disassemble the new larva.

replacement of all NSP lock cylinders

In general, after the situation with the whitefish glitch, I decided that I needed to make normal access to the doors of my car; I purchased a set of larvae with keys from NSP.

I had no problems replacing the ignition switch, I just recently did the same thing on my second car, just turn the key to the second position and stick the pin into the hole, holding the cylinder in your hands.

In general, I was surprised that everything is so simple here, doors generally just change in 2 minutes, while in BMW I spent half a day on the door to replace it, where you have to remove the door glass and the door handle itself and then tinker with replacement of the larva. Right there, in the trunk, we simply remove two rods and unscrew the screw.

at the door, just pull the bracket and the larva is ready for removal:

Next, I have a question, is it normal for the lock tongue to dangle like that in the loop of the cylinder? Or should there be some kind of plastic attachment at the factory? or should everything be with such wild backlashes? I temporarily wrapped it with electrical tape, but I’ll probably take it off

And yet, I seem to have mixed up the door cylinders. how to distinguish them? tell me please)

Updated: August 27, 2022 Important addition!

1. There is really no way to confuse the door cylinders, I was misled and the lock on the right door is not working properly, because it cannot be opened with a key, the cylinders have grooves, and if you confuse them, then the tongue of the bracket that clings to the lock will simply look in the opposite side of the castle.

2. For those who are doing this for the first time in their life, I will try to explain, here is a photo, the approximate position of the key, you can move it a little further, you can see where I inserted the metal rod and when you push the rod, you can move the key a little left and right and the larva should look like spring back and get out.

Inserting the cylinder is even easier, you need to turn the key a little and place it a little further than the slot on the cylinder, it feels like the lock will be pressed in this position, if you press it with your finger, and just insert it into the lock:

3. On this particular larva, manufactured by NSP, there is a slight misunderstanding, the tongue is slightly bent to the side, it needs to be straightened a little with pliers, if you removed the old larva, put them side by side and take a closer look - everything will become clear, in the photo there is an old original larva, I show with an arrow where it will go The tongue on the NSP larva is approximately bent. To make it clear where to look when comparing.

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Repair of the ignition switch contact group on the Daewoo Nexia

Daewoo cars and Nexia models have one common “feature” and weakness - the ignition switch contact group quickly burns out.
Most likely, for the common good of all fans of this Korean car brand, it is necessary to find out what is the reason and how to repair this contact group? To begin with, it is worth clarifying and identifying the “symptoms” of a burnt contact group of this model. Most likely, the main “symptom” is that when you turn the key in the ignition, the starter does not respond. You can buy a new contact group for the Daewoo Nexia ignition switch for 600 rubles, however, replacement most likely will not help. After some time, the replaced part will begin to heat up and then also burn out.

It is clear that simply replacing the problem will not solve the problem, and here it is necessary to understand the essence of the contact group circuit in order to identify the cause of the constant failure. It is necessary to remove the ignition switch contact group. For the Nexia model, the contact group consists of 5 contacts:

• “30” is power from the battery.
• "15" - ignition.
• “15A” - stove fan.
• "50" - starter
• “Kb” or “Ka” - radio tape recorder.

Sometimes on sale there are contact groups for Daewoo Nexia, consisting of 6 contacts (the 6th contact is “R”).

In the Contact group, at different key positions, different contacts are connected; most likely, there is no point in giving the order of these connections; most car enthusiasts know this quite well. The important question for us is why it (the contact group) burns out...

The answer is logical and simple: When the ignition is turned on, the battery puts a strong load on the ignition (from pin 30 to pin 15), and when the starter starts, the battery increases the load on the starter (from pin 30 to pin 50). As can be seen from this, the main load goes to contact 30; a high-power current overheats and melts the wires of this contact. Contact 15A does not receive a large load, so it controls the operation of only the first three speeds of the stove, and the fourth goes bypassing it, through a separate relay.

It remains to resolve the question of what to do in order to avoid burnout of the ignition switch contact group?

Most likely, the problem will be solved by connecting additional relays for general unloading. Installing such additional relays on groups 30-15 and 30-50 will help each owner never remember that there is a problem in the ignition switch contact group.

To carry out all preventive work, you must purchase in advance:

• A starter relay from a VAZ-2108 car, which is suitable for contact 30A, is even better suited to a relay from a VAZ-2110, for contact 50A. Such a part costs about 50 rubles.
• The next purchase will be a relay socket, which costs about 20 rubles.
• It is also necessary to purchase female terminals, in the amount of 4 pieces, and costing about 4 rubles.
• A pair of wires, each about half a meter long, of different colors (preferably black and red), with a total cost of 20 rubles.
• All that remains is to purchase a screw terminal and a roll of electrical tape, for a total cost of about 26 rubles.

So let's get started. The first step is to remove contacts 30 and 15, along with the terminals. Then reconnect their contacts 30 and 87, respectively. At the very terminal of contact 30, inserted into the relay, we solder a wire a quarter of a meter long, we also crimp the second end of this wire with a terminal, then insert this terminal into the socket of contact 30. We crimp the second piece of wire of the same length on both sides with terminals, connect one end to the contact 85 socket, the other to the contact 15 socket.

Now we get to work on the black wire. We crimp one side of the wire with a terminal, connect it to contact 86 of the relay, crimp the other end with a screw terminal, this end should adhere tightly to the ground of the car. Now this entire wiring harness must be insulated with electrical tape.

The relay must be removed under the panel, where it will not interfere, and at the same time remain accessible at any time. We attach the connectors of the contact group to the contact group itself. Connecting all relays using connectors (blocks) guarantees no problems during subsequent installation and replacements.

If everything is done correctly, all electricity will be directed not through the contact group, but through the relay, and this, as necessary, will help to avoid melting and failure.

Another good tip is to install two relays in parallel to reduce the load. In addition, it is usually recommended to carefully check each contact, pinch all the chips with pliers to obtain good contact, and to ensure that the relays fit snugly and tightly. In addition, do not be afraid that the relay, with all its power, will heat up and will not melt, which means replacement and repair will not be required.

DIY tags, ignition

Instructions for installing a new lock cylinder on a Nexia, or fitting the cylinder to an old key.

If the lock cylinder does not work, we can, of course, replace it with a new one, but then either we will have to either carry two keys (for the new cylinder and for the old ones), or, together with the new cylinder, change all the others, including the ignition switch (which is quite expensive). Let's consider another option, when we can fit the larva to an existing key.

We purchase a new lock cylinder:

With some effort we remove the entire upper part of the larva. We remove slowly, evenly on both sides, so as not to damage the parts.

After removing the stopper and the black plastic lever, be careful not to lose the spring (seen in the photo)!

If the old cylinder is in more or less working condition, we alternately rearrange all the brass tabs from the old cylinder to the new one.

Now we insert the old key into the cylinder, to which we need to fit the cylinder. We see this picture - the brass tongues stick out at random. We take a file and grind off all the tongues (with the key inserted into the cylinder) so that they become flush with the body of the cylinder. Use a brush to remove all the chips from the larva and lubricate it.

Reassemble in reverse order

Tags: replacing the lock cylinder on the Nexia, fitting the new Nexia lock cylinder to the old key

Comments

#5 max-m3 02/10/2013 20:18 I bought a complete set (doors, ignition, luggage rack) in Korea under the number CYC-032 (RAON), China, there is also a second number written on the labels (96223338) I don’t know about it

#4 Volak 02/10/2013 01:11 I quote max-m3:

catalog numbers for kits 96223338/CYC-032

Is this a complete set (doors, ignition, trunk)? The emergency specialist simply gave the first number “trunk lock cylinder kit”

#3 Shidla 02/10/2013 01:09 I quote max-m3:

catalog numbers for kits 96223338/CYC-032

It's here: https://www.nexia-faq.ru/raznoe/catalog-number.html

#2 max-m3 02/09/2013 20:34 catalog numbers for kits 96223338/CYC-032

#1 Volak 02/08/2013 21:21 useful article, I was just asking myself these questions, because of would-be robbers: they tore off the lock of the right door (had to change it), the left cylinder was so bent that it still opens with 10 kopecks. The key didn’t reach the right larva, it stuck, when I changed the lock I asked the man to look at what was in it, he pulled out a 5cm piece of scissors, after collecting it, he didn’t immediately notice that the key still didn’t reach.

in existential some expensive prices for door cylinders 200 UAH per piece = 800 rubles per piece

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We are looking for a new Nexia ignition switch assembly

Replacing the ignition switch for a VAZ 2106

Ignition switch housing – spare part number 531318, 531320.

But first you need to make sure that the new lock you purchased is original or at least approved for use by the manufacturer. To do this, check the original catalog number. The Korean original ignition switch has an article number S6460010. Daewoo can install locks from DAC, Daewoo, Onnuri (Wonil Korea). Each of these locks will have a single catalog article, and the price will be approximately the same - about 2,000 rubles.

Analogs

An ARK lock for Nexia will cost 200 rubles less, and a CRB lock will cost a hundred more. They are also produced by the Turkish company Autotechteile, the quality of which has not yet been complained about. In short, there is plenty to choose from. All that remains is to remove the old lock and install a new one.

Let's move on to practice: replacing the ignition switch cylinder

To change the cylinder, you need to purchase the corresponding mechanism of a certain article. Please note that you only need to buy original parts produced by the car manufacturer. If you buy a Chinese larva, there is a chance that it will not fit into the seat, since its size will be larger. In this case, you will have to grind the device, and this will take additional time.

The replacement procedure is performed as follows:

If you change the cylinder in the ignition switch, then you should also change the cylinders in the trunk lock and in the doors, otherwise you will not be able to open the door and trunk with the key to start the engine.

Photo gallery “Changing the larva with your own hands”

Characteristics of the Nexia lock

Replacing the ignition switch of a VAZ 2107

In some sources, the ignition switch is called a switch or a mechanical locking unit, the back of which is equipped with a group of electrical contacts. Among users, a relatively high degree of reliability of the module is noted, which allows us to note the high-quality device of the Daewoo Nexia ignition switch.

The block is located under the steering wheel, fixed directly to the steering column. It is closed with a metal case, and a decorative plastic protection is installed on top.

If the car's starting system fails after cranking, which managed to click everything into the second position, then the car can be started even with the help of a wire in order to get to the garage without calling a tow truck. You will need a piece the length from the starter to the battery. We connect the small terminal to the positive contact of the battery under the hood and start the internal combustion engine in this way.

However, it is worth considering that breakdowns are different. The most common difficulties encountered are:

• part of the secret key broke off;
• contacts burned out due to a short circuit;
• the components of the larva have worn off, etc.

It will be possible to restore functionality after replacement. It is necessary to decide what needs to be changed, the assembly is complete or it is enough to update the cylinder.

Front door lock device

The Nexia door lock has teeth that rotate when you turn the key. When the pins diverge, the door opens; when they converge, the door closes. The movement is facilitated by the presence of grooves where the teeth fit. If one of the parts breaks or rusts, movement will be difficult and the mechanism will lock. If the blade is jammed and does not open, it means that the pins have not completed their journey due to a violation of the encoding.

Causes of malfunction

The Daewoo Nexia passenger door lock will be locked if the internal teeth are broken. A squeaking sound when you turn the key is the first sign that repairs will be required. The malfunction results from a number of reasons:

Sometimes it is enough to lubricate the internal parts or replace the cylinder. If the door closes/opens poorly, bounces off the body rim, sags, or a large gap is visible, then the door, lock or handle will need to be adjusted. A visual inspection is carried out to determine the cause. If it is not possible to determine the nature of the breakdown by external signs, you will have to disassemble the door trim and check each mechanism.

Problems arising due to body deformation will not be solved by adjustment. In this case, the damaged structure is first straightened, and then the main spare parts are repaired.

How to change the ignition switch on a Daewoo Nexia

Replacing the contact group of the Daewoo Nexia ignition switch

Through the hole, use a pin or wire with a cross-section of about 2-3 millimeters to press the cylinder lock and at the same time move the switch to position 2. Now you can install a new cylinder. But at the same time, you must understand that after such a replacement the ignition switch will have to be opened with one key, and the luggage compartment of the car and its doors with another. Not every driver likes this arrangement.

In this case, we can advise you to buy a set of cylinders for the ignition, trunk and doors, and replace the contact group of the Daewoo Nexia.

It is clear that such a replacement will take much longer and will require more serious financial costs. I turn the key to turn off the car. The key turns. The car is working.

I was even able to remove the key and the engine continued to run. The wife asked: And he poked his finger at her or her fork through the gap in the steering column plastic.

The engine immediately stalled and the keys were on the panel. Repaired the contact group of the Daewoo Nexia, what can I say. Interestingly, my wife drove in the evening and it was fine, the engine turned off. It should also be said that the fan in the third position stopped working again

But now it doesn't matter anymore

https://youtube.com/watch?v=-GMzIiBq2pE

The spare contact group is in the trunk, waiting in the wings. And it came. But this is already in the morning.

Nexia: ignition switch, its design and installation

In general, a replacement contact group is installed in the car, and the current one is removed and disassembled. And this is what is inside it, and the relay. Contact 15a melted, and the relay was fine, but the body was burnt.

Replacement relay to replace contact group of Daewoo Nexia. Replacing the contact group of the Daewoo Nexia, replacing the contact group is not a problem. Needless to say, the behavior of the car did not change after the replacement... Therefore, I ordered a new contact group from existential with a delivery time of 1 day. Eliminating burnout Motorists should know that replacing the contact group of the Daewoo Nexia is a temporary operation, because after a short period of operation it will come out.

Without radical intervention in the design, it is unlikely that the breakdown will be eliminated forever. How to check a car battery The main task for an electrical repairman is to eliminate the cause of burnout.

How to replace the ignition switch contact group on Nexia

In such a situation, it will be necessary to reduce the current flowing to the wiring. The operating amperage can be adjusted using an additional relay included in the circuit.

Due to the embedded part, the current strength can be reduced by half to optimal values. This option of repair and simultaneous modernization will double the uninterrupted service life of the unit.

If possible, we also recommend unloading contact groups 50 and First, you need to remove the protective plastic under the steering wheel. Disconnect the connector chip from the contact group. The connector is easily removed from the group of contacts with a simple screwdriver. Unscrew the small screw with a thin flat screwdriver. It secures a group of contacts in the ignition switch housing. Using a thin flat screwdriver, unscrew the screw that secures the group in the ignition switch housing. Use a screwdriver to pry up the contact group and separate it from the ignition switch.

After dismantling, we carefully inspect the case, paying special attention to the contacts. If the plastic has melted near them, then it is necessary to replace the part with a new one.

replace the contact group of Daewoo Nexia

Most likely, the problem will be solved by connecting additional relays for general unloading. Installing such additional relays on groups will help each owner never remember the existence of a problem, replacing the Daewoo Nexia contact group with the ignition switch contact group. To carry out all preventive work, you must purchase in advance: Such a part costs about 50 rubles. So let's get started. The first step is to remove contacts 30 and 15, along with the terminals.

Cost of the lock and tools for repair

A closing device on a Daewoo will cost about 1000-1500 rubles, and the price of the core will be no more than 500 rubles. Before purchasing spare parts, diagnostics are performed. Based on its results, parts are purchased and tools are prepared. We list the necessary elements that will allow you to remove the car trim, repair or replace the lock (partially/entirely), and carry out adjustment and maintenance work:

The door will not open and close easily unless the mechanism is modified after installation. It is illiterate repairs or failure to follow step-by-step instructions that lead to the fact that another intervention will soon be required again.

It is difficult for an ordinary driver to replace individual elements without special education, so if the lock box is in good condition, the core is replaced.

General information about the Nexia ignition switch

The Daewoo Corporation, which is the manufacturer of the vehicle we are interested in, which is very popular among domestic drivers, designates the ignition switch (often called a switch) as a mechanical locking device equipped with an electrical contact group.

If the lock on your “swallow” has stopped responding to commands, it is not at all necessary to look for a car service where it will be put in order. Any malfunction can be eliminated independently by replacing the lock cylinder, its contact group or the entire switch assembly. In cases where a new lock assembly is being installed, the steering column must be removed.

The bolts that secure the element we are interested in need to be knocked out (put a chisel on the fastener and hit the tool tangentially with a hammer); pull out the released unit and install a new ignition switch in its place. The bolts, as you yourself understand, will have to be purchased new.

Removing the door trim yourself

The Nexia driver's door lock is located under the decorative panel, which must be removed. Regardless of which door is disassembled: rear or front, work is carried out from the interior. Basic steps: studying the diagram, dismantling the handle, removing the casing, gaining access to the device. Algorithm of actions:

Now the locking element on the Daewoo Nexia can be inspected, the cause of the breakdown can be identified, and repairs can be carried out.

Replacing the handle

The outer handle, like the inner one, can be removed from the inside. The casing is not completely dismantled, but the handle is untwisted and the lining is removed. Following are the instructions:

Assembly is carried out in reverse order.

Most often, faults appear in the spring. Even on a new element, microcracks form due to temperature changes. It is advisable to repair the lock; the door handle can only be adjusted. If the handle is broken, then repairing it will prolong the life of the part only for a short period of time, so it is better to immediately replace it with a new one.

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How to change the ignition switch on a Daewoo Nexia: photos and videos

How to remove and replace the ignition switch to the Daewoo Matiz and Daewoo Nexia

We gained access to the ignition switch. If it doesn’t bother us that we will have one key for the door and trunk lock, and a second one for the ignition switch, we’ll spend rubles and put a new cylinder in place. Which method to choose is up to you to decide.

Compare the sizes of the secrets with each other.

Be very careful when performing this procedure.

If a malfunction of the contact group is detected, then work to replace it will not require removing the ignition switch assembly. For the work you need two screwdrivers, a Phillips and a flathead. Disconnect the negative terminal of the battery.

Remove the two screws that connect the two parts of the plastic steering column housing. Use a screwdriver to remove the plug.

My account

Remove the top column casing. Then, unscrew the 4 screws securing the lower casing, remove the rubber O-ring and remove it. Disconnect the block with wiring harnesses, insert the key into the lock and set it to the second position. Unscrew the screw to secure it.

Good to know…

Remove the contact group from the lock. Installation of the contact group and other removed parts is carried out in the reverse order.

This is interesting... If a situation occurs where your car does not start when you turn the ignition key, you can still start the engine. You must leave the key in the second position, put the car in the parking lever, put the gear shift lever in neutral and open the hood. Use a piece of wire and connect one end to the positive battery terminal, and the other to the small terminal of the starter relay.

All that remains is to remove the old lock and install a new one. Removing the old lock assembly The dismantling procedure is not particularly tricky, but not for the faint of heart.

For our work we will need a standard set of tools, a hammer and a sharp chisel. To get to the lock and the steering column, unscrew the 4 screws securing the lower casing.

Using a Phillips screwdriver, unscrew the screws of the lower casing.

Remove the decorative rings of the lock. There are two of them - one plastic, the second rubber. Using a screwdriver, remove the decorative and sealing rings.

How to remove and replace the ignition switch to the Daewoo Matiz and Daewoo Nexia

We turn the steering wheel to the right, we see a screw on the casing. To do this, carefully remove it from the lock.

It is secured with a countersunk screw, which can be unscrewed from the ignition switch housing with a thin slotted screwdriver. We turn the contact group core and if the engine starts, we conclude that the larva is to blame. Insert a flathead screwdriver here and turn it.

Articles The new Korean ignition lock cylinder KR received the article number S and costs within rubles. The original set of cylinders for the doors, trunk lock and ignition switch costs about 3 thousand.