This article describes how to repair the transmission in the car VAZ 2108. All items, details, and nuances.
Domestic car – car with front wheel drive and the engine is placed transversely, is used to advance tracks. The body is made of metal made in accordance with the type hatchback, 3 doors. The back door is for loading and unloading Luggage. During the transport of long and bulky items, the rear row is folded – this point increases the Luggage compartment.
4-cylinder gasoline engine with a volume of 1.1, 1.3 or 1.5 L. At the moment, some cars install a system of injection of fuel. A front wheel drive car ensures superior handling when entering turns, even during wet road. During long use of the car happens to be wear the many elements that weaken the fasteners of transmission parts and violated the adjustable values.
CAT – the most reliable element in the car. Failure of this mechanism can sometimes be quite rare, compared to other parts. And all full or partial malfunctions, makes it absolutely unsuitable for the further use of cars. Operate the vehicle for its intended purpose will simply be impossible. In addition, for the delivery of machinery to repair the transmission will need a tow truck.
One of the types of breakdowns on transmission VAZ 2108 Is the wear on the bearing or insufficient oil in the unit shift. And if all this corruption is easy to fix, by changing the oil or bearing replacement. Quite another if we are talking about more serious failures with axial relocation of the shafts, the curvature of the arm PPC, seizure, causeless enabling, disabling gears, wear parts, various nuts, and also springs by deterioration of the flexibility of balls – in such situations without a full repair is necessary.
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Repair transmission VAZ 2108 – it's very complicated and time-consuming process, besides, if the car had enough mileage. Despite multiple one HUNDRED, to make repairs will not all experts. The reasons for this may be too much. For example, little experience and lack of spare parts in stock. CPR – considered a critical element of the car. It is able to change the traction force of the drive wheels of a car due to the meshing gears of different number of teeth.
In addition, it provides reverse and long separation motor (with coupling) with other components of the drivetrain, while the car is either moving by inertia. The meshing gears of different number of teeth is realized by their movement. The drive shaft is connected with carrying the clutch disc, while carrying shaft with the other transmission elements.
Carrying the shaft relative to the main rotatable with a different number of revolutions. The transition shaft is fixed a set of gears using them is in constant mesh with the main shaft.
In some cases it happens – carton breaks, and the apparent cause is not immediately installed. In order to identify the transaxle should be disassembled. Not all and not always can get to one HUNDRED, and removal of the box have to do yourself. For the safety of its disassembly have to do it together, because there are some parts with significant mass in the event of a fall can injure.
You must First remove the battery terminal “+” and with the box drain. After this procedure, remove the underbody protection. On the crankcase there is a wire that is called “mass” that is attached by bolt. This wire should be removed and a little to the side so he is not broke at the subsequent dismantling of VAZ 2108 transmission. First take out the clutch cable. After the detachable connector from the starter relay. Remove the 3 bolts and disconnect the starter. Then go under the car. Should loosen the clamp and to disengage the joint from the traction switch gear. Remove the cable drive speedometer and transactions the inclusion of the light bulb reverse gear.
After you need to Unscrew the nuts placed on the arm. Unscrew completely the nut that connects the bracket and stretching. Next - rotate the body in hand, so as not to interfere to continue disassembly. Cotter pin nut, which is responsible for the attachment of the hinge ball thrust to the handle of the turn, you should Unscrew and pull out. Nut knot the tie rod end should also be unscrewed.
The Next - finger knock the ball from the rack arm of the turn. Then Unscrew the 2 bolts and disconnect the ball with the fist turn. 1 of the CV joints of the drive wheels should knock out the shank. Here to need a crowbar. One joint was released, should be released and the second.
Then remove the cover on the housing. Toke, is located between the cylinder block, which is attached to the 3 bolts should be loosened. Therefore, once removed transmission VAZ 2108 5 speed. the motor will remain without lower support, and then need to fix. It must be done like this:
After the motor is fixed, you can safely disconnect the rear and also the left support of the main frame. Then, move the box in the opposite direction from the motor until the input shaft is clear of clutch. You should be careful not to break the petals, placed on the spring diaphragm clutch.
In principle, all completed the procedure and now the transaxle from the engine VAZ 2108 can be taken apart further to change worn elements.
Many techniques used in tuning transmissions, tested in motor sport. For any car, especially sports, PPC is an important element in the implementation of the dynamic qualities of the engine. Correctly chosen transmission gear ratios VAZ 2108 Will make a fast car with a rather weak power unit.
The Car, which relate to training, apply the Cam gear box. They are determined by many advantages – can withstand a fairly large load (using the shape of the tooth and the engaged gear-Cam clutch). They need less time switching speeds (due to incomplete cutoffs of coupling, or, in General, not squeezing), especially not destroy the synchronizers (which don't exist).
But still, the Cam box gear is practically useless for ordinary track promotion as give a lot of noise (due to the use of spur gear pairs), they are "hard shifting" and have a fairly short life. In addition, they are much more expensive compared to synchronized, and should always professionally serviced.
From the usual transmissions are synchronized only differ in gear ratios. Individual situation (VAZ eighth model) to allow for the expansion up to sixth gear. Good PPC is an effective selection of the gear ratios of the proportions of a pair of gearbox input shaft and driven gear shaft. Choice of gear ratios occurs due to the power, and the momentary capabilities of the motor, diameter of wheels, and most importantly the desires of the motorist.
The ratio Transmission VAZ 2108 Mean the ratio of the number of teeth on the driven gear to number of teeth on the leading. If it is increased, transmission will be “powerful”, “short”, in other words, the engine will adjust the number of revolutions. The speed of the car is dialed too quickly, you only need to frequently change gears. The moment will only be reflected in a reduction in the maximum speed used transmission.
For example - take a drive on VAZ eighth model with the 1.3 l motor with the main pair of 4.5. Feels, like hood space put something very powerful, definitely not! Although the driver often need to switch between pen transmission VAZ 2108, but at least the action, even at the traffic lights, the car – first. In sports cars the gears are used the most “extreme” - 4.7, and tuning – quite 5.1.
Not in all cases it is a reasonable repair transmission VAZ 2108, the exchange in most situations, it is wiser and easier. Buy PPC can be new or used. The choice of node is defined benefits funds of the motorist. Used profitable to buy a box at the hearing. Sales are serviceable spare parts with production capacities less than half. Advantages of used nodes explicitly.
The checkpoint with parsing exactly no factory defects (tested by trail), was examined by professionals of the service center before selling, it is serviceable and workable, and its value is less than compared to new. Really for CAT VAZ 2108 price is determined by the nodal type (4-or 5-year band), the level of wear. Installing this transmission, it is possible to save finances and also time to repair.
You Can make a replacement transmission VAZ 2108 With a 4-speed to 5-speed. Then the capabilities of the car will be a few times more, this will also depend on the type of engine. Because it so happens that with a 4-speed transmission car as if not enough of another speed.
The ranks of the transmission VAZ 2108: 1-3.42, 2 – 2.11, 3 – 1.35, 4 – 0.96, 5 – 0.78, 6 – 0.69
Still referred to as “commercial”, because for many years was considered to be quite famous and sold series. In General, it really is at the moment. Extra long first gear, second and fourth – reduced. Any changes minimaliseren (five percent), and that's enough to fix the flaws of the staff number. In most cases, is with SE 4.1. Glad that he is in the normal range. Gives improved acceleration.
The First Vases of the eighth model off the Assembly line in 1984 of the last century. They were equipped with 2 shaft gear boxes, which have been combined into 1 casing with the differential. Since that distant time, the transmission strongly updated. But since there have been some changes to items, they are not entirely interchangeable. The first Vases of the eighth model had a 4 transmission VAZ 2108 and 5 speed transmission with no dipstick.
At this time is almost gone. 4-band posed major pairs 4.1, also 3.9. In pyatidiapazonnogo 3.9, also 3.7. Great choice the group has decided not to indulge and apply, the main couple only one – 3.7. As for gear ratios transmission, they have been, and are still only one for all cars.
Many drivers to change for VAZ 2108 4-speed transmission in CAT 5 band. Thus, the probability of speed of the vehicle increases, acceleration usovershenstvuetsya. However, 4-band transmission – this is the last century. And for upgrading your car will fit 5, and in some cases even put the 6 speed gear box, which are the same bearings transmission VAZ 2108.
CAT VAZ eighth model implements the reform of the torque transmitted from the motor magnitude and direction. The moment necessary for maintaining the desired speed well and patency of the car for maximum economy of operation of the motor and advance the auto in reverse. Besides, the transmission separates the engine and transmission to stop and Parking the car, and during the advancement by inertia with the current motor. For all this and need a gearbox.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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