The basis of safe driving is the stability of the car on the road. This rule applies to both trucks and passenger cars. And the VAZ 2107 is no exception. The handling of this car has always left much to be desired. To somehow make life easier for drivers, engineers developed a jet thrust system for the “Seven”. But any part, as we know, can fail. And then the driver will be faced with the question: is it possible to change a broken rod with your own hands? Yes, you can. Let's try to figure out how this is done.
- About the choice of jet thrusts Traction
"Track" - Rods "Cedar"
- Belmag rods
- Twin rods
- Test sequence
- Sequence of work
- Sequencing
Purpose of thrust rods on the VAZ 2107
The purpose of the thrust rods on the VAZ 2107 is simple: to prevent the car from “walking” on the road and swaying strongly when entering sharp turns and when hitting various obstacles. This problem has been known since the days of early cars. They didn’t know about any jet thrust at that time, and the cars were equipped with ordinary springs. The result was natural: the car easily overturned, and it was incredibly difficult to drive. Over time, the car suspension was improved: a system of long rods began to be installed in it, which were supposed to take on part of the loads arising from road unevenness or due to an overly aggressive driving style. On the VAZ 2107 and other classic Zhiguli models, there are five jet rods: a pair of long ones, a pair of short ones, plus a large transverse rod, which serves as the basis of the entire traction system. All this is installed near the rear axle of the car.
The reaction rod system is installed near the rear axle of the VAZ 2107
This system can only be seen from the inspection hole, where all work on replacing broken rods is carried out.
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About the choice of jet thrusts
Currently, there are not many large manufacturers left that produce jet thrust for the VAZ 2107 and other classics. Their products differ in both price and reliability. Let's look at the most popular products.
Traction "Track"
The product is very popular among owners of the “Seven”. These rods are distinguished by their high reliability and high price, which starts from 2100 rubles per set.
Trek thrusters are distinguished by high reliability and high price
The main difference between Trek is the heads for the bushings. Firstly, they are large, and secondly, they are attached to the rods by welding. The silent blocks on Tracks are also made of especially dense rubber, which significantly extends their service life.
Rods "Cedar"
The overwhelming majority of “Sevens” that had previously rolled off the assembly line had jet thrusters installed specifically from “Kedr”, since this company has always been and remains the official supplier of AvtoVAZ.
Kedr rods have an affordable price and mediocre quality
The quality of Kedr is somewhat inferior to Trek. This is especially true for bushings and silent blocks. All this wears out quite quickly, and therefore they will have to be changed more often. But there is also a good side - a reasonable price. A set of “Cedar” rods can be purchased for 1,700 rubles.
Belmag rods
Despite the simplicity and reliability of Belmag rods, they have one significant drawback: they are not so easy to find on sale. Every year they are found less and less often on the shelves of auto parts stores. But if the car owner still manages to find them, then he can be congratulated, since he got a reliable product at a reasonable price. The cost of Belmag rods starts from 1800 rubles per set.
Today it is not so easy to find Belmag rods on sale
This, in essence, is the entire list of large manufacturers of good rods for the VAZ 2107. Of course, now there are a lot of smaller companies on the market that are quite aggressively promoting their products. But none of these companies gained much popularity among the owners of classics, and therefore it is inappropriate to mention them here.
So what should a driver choose from all of the above?
The answer is simple: the only criterion for choosing jet rods is the thickness of the car owner’s wallet. If a person is not short on funds, the best option would be to purchase Trek rods. Yes, they are expensive, but installing them will allow you to forget about problems with the suspension for a long time. If you don’t have enough money, it makes sense to look for products on the shelves. Well, if this idea is not crowned with success, there remains a third option - “Cedar” rods, which are sold everywhere.
Here we should say a few words about fakes. Knowing that car owners most often choose products from the three above-mentioned companies, unscrupulous manufacturers are now literally flooding the shelves with counterfeits. Moreover, in some cases, the fakes are made so skillfully that only a specialist can identify them. In such a situation, an ordinary driver can only focus on the price and remember: good things are expensive. And if there is a set of Trek rods on the counter for only a thousand rubles, then this is a serious reason to think about it. And don't rush into buying.
Signs
What may indicate the need to replace this element? If you do not take into account external inspection, a traction fault can be determined by the nature of the car’s behavior. Over time, the bushings become loose and the rod no longer performs its function.
The car rolls more when cornering, and dull knocks are also heard in the cabin. This indicates failed silent blocks. Well, if the rod is rusty and broken, part of it will simply drag along the ground. It is hardly possible not to notice such a malfunction. But how can you get home if your traction breaks on the way? You can hang part of it on some element under the bottom (for example, a muffler) using a wire and carefully move to the parking area and repair.
About modernization of jet thrusts
Sometimes drivers decide to independently increase the reliability of the VAZ 2107 suspension and extend its service life. To this end, they are modernizing jet thrust. Typically, modernization of rods means two operations. Here they are:
- installation of dual jet rods;
- installation of reinforced jet thrusts.
Now a little more about each of the above operations.
Twin rods
Most often, drivers install dual rods on the VAZ 2107. The reason is obvious: for this procedure you don't have to do anything with the pulls. You simply purchase not one, but two sets of rods that are installed in a regular place near the rear axle of the “seven”. Plus, you purchase not ordinary, but elongated mounting bolts, on which this entire structure rests.
Installing double rods on the VAZ 2107 increases the overall reliability of the suspension
The obvious advantage of such modernization is the increase in the reliability of the suspension: even if one of the tie rods breaks while driving, the car is unlikely to lose control and the driver will always have a chance to notice the problem in time and stop (a break in the tie rod is almost always accompanied by a strong knock on the bottom of the car, which cannot be heard this is simply impossible). This design also has a drawback: the suspension becomes stiffer. If earlier it “eaten up” small unevenness in the road without any problems, now the driver will feel even small pebbles and holes while driving.
Reinforced traction
If the car is used in extreme conditions and drives mainly on dirt roads or on roads with very poor asphalt, the car owner can install enhanced torque rods on it. As a rule, drivers make such rods themselves. But recently, large manufacturers have begun to offer reinforced rods of their own production. For example, you can find Trek-Sport rods on sale, which are distinguished by the large size of silent blocks and an adjustable transverse rod. A pair of nuts on the crossbar allows you to slightly change its length. Which in turn affects the car’s handling and the overall stiffness of its suspension.
The reinforced rods have nuts that allow you to change the length of the rod and adjust the stiffness of the suspension
Of course, the driver will have to pay for increased reliability: the cost of a set of Track-Sport rods starts from 2,600 rubles.
Installation of traction is done as follows:
- First, the rod is mounted in the front bracket. Before inserting the bolt into the desired hole, it is treated with nigrol;
- The reaction rod is placed in the rear bracket. Don't be surprised if the holes at the mounting location don't line up.
If the jet rod was broken, then the bridge would move all the time under load. This led to the shift.
To adjust the holes, you need to use a mounting spatula, resting it on the bracket, and unscrew the bridge until the fasteners align. When they match, you need to insert the bolt and secure it with a nut.
With the help of such manipulations, you will be able to replace the jet rods with your own hands and save money on visiting a service station.
Checking the condition of the jet rods on the VAZ 2107
Before we talk about checking jet thrusts, let’s ask ourselves: why is there a need for such a check at all? The fact is that when driving, jet rods are subjected to both lateral and torsional loads. Torsional loads occur when wheels hit large potholes or run over large rocks and other obstacles. This type of load is especially harmful for rods, or more precisely, for silent blocks in rods. It is the silent blocks that are the weak point of the jet thrust (there is simply nothing to break in the thrust itself: it is a metal rod with two eyes at the ends). In addition, the rubber parts of silent blocks are periodically exposed to reagents that are sprinkled on roads during icy conditions. As a result, cracks appear in the rubber and its service life is rapidly reduced.
The rubber part of the silent block on the rod has become completely unusable
If you believe the operating instructions, the new jet thrusts on the VAZ 2107 can travel at least 100 thousand km. But taking into account the conditions listed above, the actual service life of rods rarely exceeds 80 thousand km.
From the same instructions it follows that the state of the jet rods must be checked every 20 thousand km. However, car service technicians strongly recommend checking the rods every 10–15 thousand km in order to avoid extremely unpleasant surprises. To check the condition of the silent blocks in the rods, you will need an inspection hole and a mounting blade.
Test sequence
- The car is placed on an inspection hole (or, alternatively, on an overpass).
- The mounting blade is inserted behind the rod eye.
The mounting blade is installed behind the rod eye - Now you need to rest your spatula against the torque rod bracket and try to move the rod to the side along with the silent block. If this is successful, the silent block in the rod is worn out and needs to be replaced.
- A similar procedure must be done with all other silent blocks on the rods. If they move to the sides by even a few millimeters, they need to be changed urgently.
During the inspection, the silent block shifted to the left by several millimeters. This is a clear sign of wear and tear - In addition, the rods and lugs themselves should be inspected for wear, cracks, and scoring. If any of the above are found on the rods, you will have to replace not only the silent blocks, but also the damaged rods.
Video: checking jet rods on a VAZ 2107
Tools
So, to replace it, we need to prepare a standard set of tools (heads, wrenches), a hammer, a mounting blade, as well as universal grease VD-40. In the absence of one, you can use any analogue from, “Mannol” and “Laurel”.
These products cope no worse with soured bolts. We will also need a metal brush. We will use it to clean the head of the bolts from accumulated dirt.
Replacing bushings on VAZ 2107 rods
Bushings for VAZ 2107 torque rods are disposable products that cannot be repaired. It is not possible to restore a worn bushing in a garage. The average car enthusiast has neither the necessary equipment nor the necessary skills to restore the inner surface of the bushing. Thus, the only option for repairing damaged traction bushings is to replace them with new ones. Here's what we need to replace the bushings on the rods:
- a device for pressing bushings (can be purchased at any auto parts store);
- hammer;
- beard with a diameter of 10 mm.
