Yellow springs for VAZ 2109. Color marking of VAZ springs

Manufacturing
Making springs is a rather complex process from a technical point of view.
Most springs for domestic cars "Zhiguli", "Niva" and "Samara" are produced
at the VAZ plant. In addition to the Volzhsky Automobile Plant, there are several more enterprises producing
springs under VAZ license. Attach to the products of these enterprises
a special tag or an individual manufacturer’s trademark is applied.
Springs are made from high quality rolled spring steel. Previously
from steel, by grinding or turning (on new lines
production), the decarbonized layer is removed.

Manufacturing
suspension springs are divided into the following stages:

  • The rod is heated, followed by coiling of the spring, in a hot
    condition;
  • Further
    the spring is hardened in oil, followed by low tempering;
  • Product
    subjected to shot blasting necessary to remove slag,
    oxidation and hardening of the surface layer of the spring;
  • Stage
    cold spring upset. At this stage, the springs are compressed at least 3 times
    up to the contact of the turns, as a result of which the length decreases on average
    by 18 millimeters.
    Simultaneously with this process, the so-called “captivity” occurs
    springs.
  • Applying a protective coating to the product. The rear suspension spring works in
    under sufficiently severe conditions, for this reason, it is applied to the product
    special protective epoxy coating. Front suspension springs cover
    enamel, usually black, on a special chlorinated rubber base. TO
    In short, the process of applying epoxy coating is quite complex and
    mastered only at the VAZ plant. At other factories, springs are coated with enamel.
  • Static load control. This stage is the final stage in the process
    production of springs for automobile suspensions. The specified stage is
    mandatory for all types of springs. Those springs that did not pass the test
    inspection are considered defective. Depending on the test results, the springs
    are divided into 2 classes. Products with a positive tolerance range for static load
    belong to class “A”, and with a negative one – to class “B”. All products
    those that have passed the control check are marked with colored paint depending on
    assigned class. The mark is applied with a spray and looks like a colored
    stripes on the outside of the spring coils.

Colors
spring markings for VAZ, GAZ, IZH, ZAZ, AZLK

Overwhelming
most springs that are installed on cars are marked yellow
or green. Naturally, the question arises, what class of spring?
is it best to buy for a car? It is obvious that the springs belonging to
class “B”, in operation no worse than products of class “A”. Specified division
per class is necessary in order to reduce the difference that is observed in
the length of the left and right side springs. The difference is almost inevitable with serial
production, which may ultimately have a negative impact on the sustainability and
car controllability. The difference in the length of the springs causes the body to skew along
relative to the longitudinal axis. Thus, if the vehicle is very
often used with maximum load, it is necessary to install
“A” class springs, since these parts can withstand heavy loads,
than Class B products. However, it should be noted that as a result, the difference may
be very insignificant in the range of 0-25 kilograms.

TO
For the information of motorists, there is a marking of car springs in which
other colors are used. This product is intended for installation in
mainly on the rear suspension of so-called station wagons. Previously to
These vehicles included the VAZ-2102 model, currently -
VAZ-2111 and VAZ-2104. These models differ in slightly increased length,
which is due to the specifics of these vehicles. And it arises again
The question is whether it would be advisable to install these springs on ordinary sedans
or hatchbacks? To answer this question, you need to decide in advance
for the purpose of installing suspension springs on a car. Thus, if by changing the springs
a motorist wants to increase ground clearance, which is associated with subsidence
car body due to aging, then this step is completely justified. Usually,
The specified replacement of suspension springs will not affect the driving performance of the car. However, if the owner
car, wants to change the suspension springs in order to increase the load capacity
exceeding the maximum permissible norm, then such actions will cause
destruction and premature wear of the body. In the end, the choice is up to you
the owner of the car, based on which task is the highest priority:
safety vehicle in good condition throughout
for a long time or using the car with maximum efficiency, which
a short period of time will lead to wear and tear of the unit.

For car enthusiasts
you need to know that the use of suspension springs is not recommended
by the vehicle manufacturer and vehicle overload exceeding the permissible limit
standards are the reasons for reducing the service life of the machine. Which is quite fair
and to spacers, which are often installed between the spring and the car body.
The spacer cannot compensate for a sagging spring, since the part
the interturn distance decreases. Which is quite dangerous because
reducing the spring travel. If the spacer is installed together with an unworn
spring, then this action will lead to an increase in ground clearance, however, at the same time
the compression stroke will increase and the rebound stroke of the shock absorber will decrease, which is also
unwanted.

Naturally,
that, sometimes practiced, the installation of rubber inserts between the turns
worn spring is meaningless. As a result of such actions, it’s already bad
a functioning spring may stop working altogether and one day simply
will burst. It is quite obvious that these actions can cause an emergency
situations on the road due to poor vehicle control.

Spring installation rules

First
First of all, you need to remember that springs should be installed on the car
only one class. Sometimes it is allowed to install springs on the rear suspension
class “B”, and for the front suspension – class “A”. But to such an option
should be used only as a last resort when the required products are not available for sale.
springs specifically for the rear suspension. However, under no circumstances should you
install springs in a different way than previously indicated. If to the front
If the suspension was equipped with class “B” springs, then the rear suspension should also
install springs of the same “B” class. In this situation, absolutely
It is prohibited to install class “A” springs on the rear suspension. Necessary
remember that on the right and left sides of one axle of the vehicle there must be
Only springs of the same class can be installed.

Despite
on a fairly trivial spring design to determine suitability for
use in a garage is almost impossible. To determine
the suitability of the spring requires very large special equipment,
which can load the spring and depending on the value of the applied
load determine the degree of compression of the part. It should be noted that the procedure
restoring old springs is meaningless and impractical. Given
the statement was verified by specialists from the VAZ plant, according to research,
after restoration, the spring resource is very low, however, the procedure requires
quite a lot of time and money, which ultimately results in
unprofitable.

12:12 - 28.12.2016

The accident occurred in early May. The driver of a Toyota Avensis was moving along the highway in the direction of Maslennikov, and a 27-year-old motorist in a Nine was driving in the same direction. The passenger of the domestic car, a 22-year-old guy, died in the accident, and a 29-year-old girl with numerous serious injuries was urgently hospitalized. The investigation revealed that the driver of the foreign car changed lanes to the third lane.

11:11 - 28.12.2016

The accident happened around 8 pm on the street. Pechorskaya. The driver of a VAZ-2110 drove into the oncoming lane and, losing control, collided with a Lada Priora car. A 27-year-old girl was injured in the accident. And she was immediately taken by ambulance to the hospital. The driver of the dozen refused to undergo a medical examination for intoxication. The second driver was sober.

11:11 - 28.12.2016

The attackers stole only premium cars and then prepared them for sale in other regions. In one week from December 9 to 16 in the Krasnoglinsky district, 3 black Lexus RX350 cars and two Toyota Land Cruiser 200 in white and black colors were stolen. Car owners contacted the police to report thefts. Criminal proceedings were initiated on the facts of the crimes

21:21 - 20.09.2016

The Slovak company AeroMobil has officially announced its readiness to present the first production flying car, AeroMobil 4.0, in 2018. The company plans to accept applications as early as next year. With their actions, Slovak engineers, with funding from former Aston Martin director David Richards, overtook their main competitors from the United States - the Terrafugia company with their TF-X air car, the development of which began in early 2016.

11:11 - 20.09.2016

The large German auto brand Audi has begun road testing of the “charged” version of the RS5, which received a 3-liter V-twin turbo engine producing 450 horsepower. The official presentation of the new Audi RS5 will take place in March 2017 at the Geneva Motor Show. The new product will differ from previous models by the presence of a wide front bumper, large air intakes and reduced weight.

10:10 - 20.09.2016

As part of a special event dedicated to the 10th anniversary of its presence in the Russian car market, Infiniti officially presented four new products: Q30, QX30, QX60 and Q60. The first three have already arrived at dealerships in the Russian Federation and are up for sale; the Q60 model should arrive a little later. According to analysts, the Infiniti Q30 should become a sales flagship in the Russian market. The car will receive 2 versions, basic

10:10 - 28.11.2016

Today, the 28th, a Lada Priora car caught fire on Kirov Street. The car cannot be restored as it was completely burned out. Two crews arrived at the scene of the fire and managed to put out the flames without any problems. At the moment, the cause of the fire is unknown; a short circuit in the electrical wiring is being considered; about six people helped extinguish the flames.

10:10 - 28.11.2016

In just a few hours, three accidents occurred in the Gorodishchensky district, resulting in two casualties. On the evening of the 27th, a driver hit an 81-year-old grandmother, an elderly woman was injured, and a little later a Volvo and a VAZ collided, in which a young man of 20 years old was injured. An hour later, a VAZ 2112 overturned at the Ural FAD, a guy was injured

10:10 - 28.11.2016

On the 27th at 3 o'clock in the afternoon, a traffic accident occurred during which a Kia Sid and a domestically produced VAZ 2110 collided. As a result of the incident, three people were injured, a 46-year-old woman and two young men aged 25, the boys were taken to the hospital with various injuries. The details of the incident are being clarified, special equipment was on the scene, the accident was eliminated

10:10 - 09.09.2016

According to the head of the Ministry of Labor, the enterprise will request additional subsidies in October-November. Maxim Topilin reported this information after a meeting with the management of the domestic automaker and a conversation with the governor of the Samara region: I personally met with the new director of AVTOVAZ, I talked just the other day with the governor - AvtoVAZ plans to come up with a proposal to increase subsidies sometime in October - the month of November. But for now

21:21 - 08.09.2016

On September 1, 2016, the new regulations for passing exams in the traffic police came into force. The main goal of the innovations is to make testing of future drivers more transparent and objective. Starting today, time restrictions are introduced for many procedures within the framework of the exam, including standing in line - examiners are required to accept the applicant within 15 minutes. On

17:17 - 08.09.2016

According to experts, today every tenth car loan falls into the category of “problematic” – i.e. those whose payments are overdue for 90 days or more. As of September 1, 2016, Russian buyers of credit cars owed banks 82.5 billion rubles. The reason for the difficulties with paying car loan installments was a sharp drop in the level of

On most passenger cars- These are coil springs. Despite their simplicity and reliability, they fail over time.

After long-term (5–7 years) operation of the vehicle with a heavy load, they sag due to metal fatigue, while the travel and energy consumption of the suspension decrease. It starts to work all the way, which accelerates the destruction of body parts. Loss of spring elasticity is often discovered unexpectedly. For example, all summer two or three of us went to the dacha, but here we had to take guests and load the trunk thoroughly. The weight is no more than the permissible 400 kg for a Zhiguli, and the car is already “crawling on its belly,” clinging to the asphalt with its muffler.

But not all owners are in a hurry to buy new springs. Someone, having listened to other “experts”, installs rubber spacers under the springs (or between their coils). The main danger of such a solution is the possibility of the suspension being activated before the spring coils close and, as a result, almost hard impacts being transmitted to the body. In the standard design, the suspension makes its full stroke until it stops at a soft rubber or polyurethane bumper, which absorbs only the remaining energy. The spacer, replacing the air gaps between the coils of the spring, only limits the travel of the suspension, turning it from “soft spring” to “oak rubber”.
If you transport a ton of cargo per trip on a VAZ-2104, then installing new springs to replace sagging ones is useless - and with them the loaded “four” will lie flat on the asphalt. And with spacers, the car will look “vigorous” for another year, until cracks in the side members disfigure its posture. The fact that the purchase of a new car will have to be taken into account in the estimate of upcoming production costs is not so bad. The main thing is that driving an overloaded car is simply dangerous. But if you use the car not so ruthlessly and count on its long service, there is only one way out - to install new springs designed for this model.
For curious readers, we will tell you how suspension springs are made on a VAZ. The starting material is a rolled round rod made of spring steel grade 60S2GF. The first operation is processing of rods on turning lines to the required diameter, with removal of the top decarburized layer. The second is heating and spiral winding. Then – hardening and tempering. Then shot blasting: in a special chamber, the springs are fired with a stream of fine steel shot - this removes scale, strengthens the surface layer and increases fatigue strength. The next stage is cold draft, or spring captivity. They are compressed three times until the turns touch, after which the length decreases by approximately 18 mm from the original. Now the springs are ready to work for a long time without losing their elasticity.
A protective coating is applied to the finished spring, otherwise, over time, cavities and cavities from corrosion will form on the surface of the rod, which will weaken the surface layer and accelerate the breakage of the spring. In addition to the traditional coating - black chlorinated rubber enamel, VAZ uses a more durable epoxy coating. For example, for rear suspension springs - only the latter.
The final operation is static load control. 100% of produced springs pass it. Compressing the spring with a certain force, measure its length. For example, the spring of the “2101 front” model under a load of 435 kg has a nominal length of 232 mm, and at 603 kg - 182 mm. Springs whose length under load is greater or less (outside the tolerance) are rejected. Those that fall within the plus tolerance (that is, slightly longer than the nominal) belong to class A, and those within the minus tolerance (slightly shorter) – to class B.

Table 1

Marking of springs for VAZ car suspensions

Spring model

Color of distinctive markings

1111 front
1111 rear
2101 front
2101 rear
21012 front
2102 rear
2121 front
2121 rear
2108 front
2108 rear
2108 front European
2108 rear European
2110 rear
2111 rear
2112 front

yellow
yellow
yellow
yellow
white
brown
no mark (white)
no mark (white)
yellow
yellow
white
brown
no mark (white)
orange
white

green
green
green
green
blue
blue
black
black
green
green
blue
blue
black
blue
no mark (black)

After this, the springs are marked by applying a strip of paint to the outer surface of the coils. Depending on the spring model (Table 1), yellow, green, white, blue, brown, dark blue, black and orange are used.
And yet, despite such complex production technology, all springs sag sooner or later in operation. However, if you use more expensive material, you can create a spring that retains sufficient elasticity even with prolonged constraint. An example is the mainspring of a UZRGM grenade fuse. Being in a fully compressed state for fifty years, it slightly loses its elasticity and is always ready to work reliably, breaking the capsule with a striker. Of course, for car springs such high requirements are not presented. What is the point of inflating their cost by making them “eternal” if in a few years more expensive components will require replacement? But the plant is obliged to ensure that the springs remain elastic at least during the design service life of the machine, and it succeeds. The same cannot be said about the “leftist” manufacturers whose springs appear on the market. But there are also conscientious manufacturers who have received VAZ approval to supply springs for spare parts. For example: construction machinery plant in Slavyansk; Crane manufacturing plant in Nikopol (both in Ukraine); Soyuz-TMO LLP, Izhevsk and Machine-Building Plant, Perm. The springs from these four factories are marked with the manufacturer's mark or a tag is attached.
Now about the applicability of springs. Model 2101 (front and rear) - for all rear-wheel drive VAZs with a sedan body. 21012 - made of a larger diameter rod, it is stiffer than 2101. It is installed on the right side of the front suspension of Zhiguli with right-hand drive (export) to level the car due to asymmetrical weight distribution. On left-hand drive vehicles, the total weight of the steering mechanism, pedal assembly, hydraulic brake and clutch units, and instrument cluster located on the left side approximately corresponds to the weight of the battery, starter and generator on the right. With right-hand drive, all this is concentrated on one side, which required a reinforced spring on the right. Spring 21012 is also found on both sides of the suspension of Zhiguli special configurations with left-hand drive, which require increased energy intensity of the front suspension.
Springs 2102 are installed in the rear suspensions of VAZ-2102 and 2104 station wagons. Their length is 21 mm longer than that of conventional “zero first” ones, and using them on sedans is justified only to increase the height of the body above the road, for example, if you have to often drive along a country road and hit bumps with the thresholds. But this does not mean that springs 2102 can be used to increase the load capacity of the machine - premature destruction of the body in this case is inevitable.
Front springs 2108 are installed on all front-wheel drive VAZ models, except for the Oka and modifications with the new 16-valve engine. 2108 rear - for all front-wheel drive vehicles, except for the VAZ-2110 and Oka family. Owners of VAZ-21099 sedans are sometimes deceived in the markets by offering supposedly scarce “99” rear springs at exorbitant prices. Remember: these do not exist - the rear suspension of the VAZ-21099 has ordinary “eighth” springs. Springs for cars of the VAZ-2110 family are not yet in demand; however, we report data on their applicability (Table 2).


table 2

Springs for suspensions of VAZ vehicles of the “tenth” family

Spring type

Automobile model

VAZ-21102, VAZ-21104

VAZ-21122, VAZ-21124

Front suspension spring

Rear suspension spring

2110 European

2110 European

2110 European

2110 European


Some models of springs are also produced in a European version - for cars intended for export. They are slightly shorter than usual, so the ground clearance of such cars is approximately 20 mm less, and at the same time the compliance of the springs themselves is reduced, which makes it possible to increase the stability of the car in corners and when driving at high speed. If you decide to install these on your car, keep in mind that you need to replace all four springs as a set. Of course, the vehicle’s cross-country ability will be significantly reduced, and when traveling on dirt roads, damage to the bottom of the car is more likely.
Springs of models 2121 are used on all-wheel drive VAZ vehicles of all modifications (2121, 21213, 21218, 2131), and models 1111 - only on Oka.
In conclusion, about the possibility of installing springs of different elasticity classes on a car. General rule, operating on a VAZ, is as follows: all four springs must be of the same class - either A or B. In exceptional cases, it is permissible to install class B springs in the rear if there are class A springs in front. But if there are class B springs on the front suspension, then install rear class A springs are not permitted, and the installation of springs of different classes on the suspension of the same axle is also unacceptable.


Table 3

Brief specifications springs

Spring model

Rod diameter, mm

Outer diameter, mm

Number of turns

Spring coverage, mm

Front suspension springs

epoxy, black enamel

epoxy, black enamel

epoxy

epoxy, black enamel

2108 European

epoxy, black enamel

epoxy, black enamel

epoxy, black enamel

Rear suspension springs

epoxy

epoxy

epoxy

epoxy

2108 European

epoxy

epoxy

2110 European

epoxy

epoxy, black enamel

The characteristics of springs for suspensions of VAZ cars are given in table. 3.

It is impossible to accurately determine the spring parameters when purchasing. All checks are approximate, but in many cases they will help to avoid counterfeits.

Springs in stores are often sold without packaging. However, its presence and information about the manufacturer indirectly indicate its reliability.

Paint marking of the spring class and determination of the total number of turns.

When checking the shape of the spring, not all coils touch the plane - it is better to refrain from purchasing.

Markings on the spring (trademark of the manufacturer, month and year of manufacture, catalog number), contrary to OST, are applied extremely rarely by Russian manufacturers. But there is almost always a mark about sorting into groups (classes), and it must be the same on both springs purchased. If the groups (classes) are not marked or their markings do not correspond to the data in the table below, it is better to refrain from purchasing.

Protrusion of the support coil outward.

Protrusion of the support coil inward.

Color marking of VAZ springs
The technology for making springs is quite complex. Therefore, most of the springs for Samar, Niv and Lada are produced at VAZ. However, there are still a number of enterprises that have received VAZ permission to produce springs. The manufacturer's trademark is applied to them or a tag is attached. Springs are made from rolled spring steel, from which the decarbonized layer is removed by preliminary grinding (on new lines - turning). Stages of manufacturing a suspension spring: 1. Heating the rod and coiling the spring in a hot state;

2. Hardening in oil, as well as low tempering;

3. Shot blasting, which is needed to harden the surface layer and remove oxidation products;

4. Cold draft of the springs (the springs are pressed three times until the coils touch, and their length decreases by approximately 18 mm; at the same time, the springs become “unwilling”);

5. Application of a protective coating - a protective epoxy coating is applied to the rear suspension springs of a vehicle operating in more severe conditions. The front suspension springs can be coated with a special black enamel based on chlorinated rubber. It can be noted that the technology for applying epoxy coating is quite complex and was mastered only at VAZ. Other manufacturers use enamel coating of springs;

6. Static load control is the last operation in the manufacture of car suspension springs. Absolutely all products go through this stage. Springs that do not fall within the tolerance are rejected, and the rest, depending on the obtained control load value, are divided into 2 classes. Springs with a positive load tolerance range belong to class A, and those with a minus tolerance - to class B. In this case, the suspension springs are marked with paint (a stripe is sprayed on the outside of the coils) corresponding to the class. Marking colors for springs are VAZ, GAZ, IZH, ZAZ, AZLK No. Car make Spring color Marking color Front springs Standard Standard plus 1 VAZ 2101 Black Green Yellow 2 VAZ 2101 per. step Metallic Blue Green Yellow 3 VAZ 2108 Black Green Yellow 4 VAZ 2110 Black Green Yellow 5 VAZ 2108 per. step Metallic blue Green Yellow 6 VAZ 2121 Black Used markings White 7 VAZ 2121 armored. Black Green Yellow 8 VAZ 1111 Black Green White 9 VAZ 2112 Black Used markings White 10 VAZ 2123 Black Used markings White 11 VAZ 2123 armored. Black Used/markings White 12 AZLK 2141 Gray Used/markings Blue 13 IZH 2126 Black Green Yellow 14 IZH 21251 Black Green Yellow 15 GAZ 3110 Black Green Yellow 16 ZAZ 1102 Black Green Yellow Rear springs Standard Standard plus 17 VAZ 2101 White Green Yellow 18 VAZ 2101 lane. step Blue metallic Green Yellow 19 VAZ 2102 White Blue Red 20 VAZ 2102 lane. step Blue metallic Green Yellow 21 VAZ 2108 White Green Yellow 22 VAZ 2108 lane. step Blue metallic Green Yellow 23 VAZ 21099 White Blue Red 24 VAZ 2121 White Black Used markings 25 VAZ 2121 lane. step Blue metallic Green Yellow 26 VAZ 2121 armor White Black Used markings 27 VAZ 2110 White Black Used markings 28 VAZ 2110 per. step Blue metallic Green Yellow 29 VAZ 2123 White Black B/markings 30 VAZ 2123 bronir White Black B/markings 31 VAZ 2111 White Blue Orange 32 VAZ 1111 White Green B/markings 33 AZLK 2141 Gray B/markings Blue 34 AZLK 21 41 Svyatogor Gray B /markings Blue 35 IZH 2126 White Green Yellow 36 IZH 21261 White Green Yellow 37 ZAZ 1102 White Green Yellow

Most springs installed on cars are marked with either green or yellow paint. The question quite reasonably arises: which springs are best to choose for your car? Of course, both class A and class B springs have an equal right to exist. The division into classes was adopted in order to reduce the difference in the length of the springs on the right and left sides of the car - and this is inevitable in mass production - which negatively affects its controllability and stability (as it leads to the car being skewed relative to the longitudinal axis). If you frequently drive your vehicle with a full load, you should choose Class A springs as they can handle a little more load. But it should be borne in mind that the difference (which is difficult to control) is insignificant and can range from 0 to 25 kilograms.

There are also markings in other colors. These are springs designed primarily for installation on the rear suspension of station wagons. Previously - VAZ-2102, now - VAZ-2104 and VAZ-2111. They differ in slightly longer length due to the specifics of these cars. Can these suspension springs be installed on hatchbacks or sedans? To do this, you need to know the purpose of installing these springs on your car. If you need to increase ground clearance due to aging-related body sagging, this setup may make sense. This should not affect the driving performance of the car. However, if such a rearrangement is needed to increase the vehicle load beyond the permissible norm, then this operation will entail premature wear and destruction of the body. And here the car enthusiast must decide for himself what is more important to him: keeping the car in good working order for many years or squeezing all the “juices” out of it in a short period of time and then throwing it into scrap metal.

Installing springs that are not provided for by the design and loading the car beyond the established standards will not prolong its life. This can also be said about spacers, which are often installed between the car body and the spring. If the spring has completely sagged, then no spacer will save it, because in such a spring the interturn distance is very small, and this is dangerous because the spring stroke before the turns close is reduced. If such a spacer is used together with a normal spring, then this will increase the ground clearance, but at the same time the rebound stroke will decrease and the compression stroke of the shock absorber will increase, which is also not very good.

Finally, it is completely pointless to stick various rubber inserts between the coils of a sagging spring. The spring simply ceases to perform its functions and at one point may simply burst, if before that you have not yet managed to fly into a ditch due to unsatisfactory handling of the car. Rules for installing springs: It is recommended to install only springs of the same class on a car. Of course, in some cases, it is allowed to install class A springs in the front suspension, and class B springs in the rear suspension of the car. But this can be done when the store does not have the appropriate springs for the rear suspension of the car. But the other way around is not possible. If the front suspension springs are class B, then the rear suspension springs must also be class B. In this case, it is strictly forbidden to install class “A” springs on the “rear”. In any case, springs of only one class must be installed on the left and right sides of one vehicle axle.

Despite the apparent simplicity of the part we are describing, it is very difficult to determine its suitability in garage conditions. To do this, you need rather bulky special equipment that allows you to load the spring and determine the degree of compression depending on the applied load. One more point - there is no point in restoring old springs. Tests carried out at the VAZ automobile plant confirmed this - the service life of the springs is then short, and the costs, both time and money, are high.