Choice between mechanical and automatic transmission Lada Largus Often determines the further experience of operating a car in specific conditions of a city traffic jam or a long track. For many owners, not only comfort, but also real life becomes the decisive factor. resource which depends on the type of installation P.C.. If you are considering buying a used car or planning to buy a new car, then understanding the difference in behavior VAZ-21116 and Jatco This is a critical step before making a final decision.
It should be noted that we are talking about a classic 4-speed hydraulic transformer box, and not about a new CVT or robot. This time-tested Japanese development, which is installed on engines with a volume of 1.6 liters (106 hp). and 113 hp). At the same time, the domestically produced mechanical transmission has undergone a number of upgrades, including a change in the main pair gear ratios to improve dynamics.
⚠️ Note: When choosing a used Largus, be sure to check for oil leaks at the junction of the engine and gearbox, as for older automatic transmissions this is a characteristic problem that requires replacement of the oil glands.
Technical features and design of transmissions
The manual transmission on Largus is a unit with a cable-driven switching, which provides a fairly clear fixation of the lever in the selected position. Structurally, this is a reliable node, where the main elements of friction are synchronizers and clutch. Resource mechanics It is often estimated at 250-300 thousand kilometers, but this is true only if the transmission oil is replaced in a timely manner and the pedals are handled carefully.
Automatic transmission Jatco JF4EThe , installed on the version with the K4M engine (102 hp) or the newer 16-valves, is a 4-band with a hydraulic transformer. This is a classic "automatic" that does not have belts or chains characteristic of variators. Its reliability is based on the simplicity of the design and the absence of frictions in the hydraulic transformer when coasting. However, the presence of only four stages imposes restrictions on efficiency and noise at high speeds.
Comparison of gear ratios
The manual box has a wider range of gear ratios, which allows better use of engine torque when the car is fully loaded. The machine, having fixed 4 gears, is forced to keep high speeds more often to maintain dynamics, which affects the overall efficiency of the transmission.
An important aspect is the cooling system. If ICSW cooled naturally through the crankcase, for DISTRIBUTION There is a separate radiator located in front of the main radiator of the engine cooling system. This requires additional attention when operating in hot climates or when towing heavy trailers, as overheating of the ATF fluid leads to its rapid aging.
Dynamics of acceleration and behavior on the road
The difference in driving sensations between the two types of transmissions on Largus is noticeable immediately after the start of the movement. The manual box allows the driver to fully control the traction, choosing the optimal gear for overtaking or climbing uphill. Full load of the vehicle (7 persons plus luggage) mechanics often wins at the machine due to the ability to "play" gears and keep the engine in good shape.
The automatic box behaves more impressively. Acceleration to 100 km / h takes longer, which is especially noticeable on the track when trying to overtake the long gauge. The hydrotransformer smooths the jerks, but creates the effect of "vatency" when sharply pressing the gas pedal. However, for a quiet ride in the stream DISTRIBUTION It provides a smoothness that is not available to mechanics.
On the track at a speed of 110-120 km / h, the engine on the machine operates at revs of about 3000-3200 rpm due to the absence of 5th and 6th gears. This leads to increased noise in the cabin and vibrations. The manual box at the same speed allows you to reduce speeds by switching to higher gear, which makes the trip more comfortable and economical.
⚠️ Note: Do not try to tow the car with automatic transmission on the cable for long distances without starting the engine, as in this case the oil pump of the box does not work and dry friction of the parts occurs.
Fuel consumption and efficiency of operation
The issue of fuel economy is a pressing one for Largus owners, given that the car is often used for commercial or family purposes with high mileage. Mechanical transmission is traditionally considered more economical. In the combined cycle, the consumption of AI-95 gasoline on the mechanics is about 8.5-9.0 liters per 100 km.
The automatic box increases this figure by 1.0-1.5 liters. This is due to losses in the hydraulic transformer and the absence of higher gears. In the urban cycle with frequent accelerations and braking, the difference can be even more noticeable, reaching 10–11 liters per hundred. For those who travel more than 30 thousand kilometers per year, overpayment for fuel on the basis of the DISTRIBUTION It can be a significant expense item.
However, it is important to note that driving style plays a key role. Aggressive driving on mechanics with constant high speeds can negate the advantage in efficiency. At the same time, the competent use of inertia on the machine allows you to minimize fuel consumption.
| Parameter | Mechanics (IPT) | Automatic (ATM) |
|---|---|---|
| Expenditure (city) | 9.5 - 10.0 l/100 km | 11.0 - 12.5 l/100 km |
| Expense (road) | 6.5 - 7.0 l/100 km | 8.0 - 8.5 l/100 km |
| Acceleration 0-100 km/h | 13.5 sec. | 15.5 seconds |
| Maximum speed | 170 km/h | 165 km/h |
Resource, reliability and typical faults
The reliability of the Lada Largus transmissions is the subject of much debate. The mechanical box is famous for its "unkillability". The main problems can occur with the squeezable bearing or drive cables, which stretch over time. Clutch replacement is a routine procedure, the life of which is 80-120 thousand kilometers depending on the operating conditions.
Automatic. Jatco It has also proven itself to be a very reliable unit, especially if you follow the maintenance regulations. It is critical for him to regularly replace the transmission fluid. Many owners mistakenly believe that the oil in the automatic transmission is poured for the entire life, which is a gross mistake.
☑️ Checking the status of the automatic transmission when buying
A typical problem of the machine on Largus is the contamination of the hydroblock by the wear products of the frictions, which leads to kicks when switching. It is also worth monitoring the condition of the hemiaxes, as their leak can lead to oil hitting the brake discs or exhaust system.
Cost of maintenance and repair
The financial side of the issue often becomes decisive when choosing between the two. mechanically and automatic. The initial cost of a car with automatic transmission is higher, which is a fee for comfort. In the process of operation, the mechanic also requires less investment: oil replacement in the manual transmission is made less often and costs less, and repair of the units is more budgetary.
Maintenance of the machine requires a more qualified approach and high-quality consumables. Automatic transmission oil (ATF) costs more than a mechanical transmission oil, and replacing it often requires special equipment or a complex procedure. Repairing a hydrotransformer or replacing solenoids can cost a lot of money.
To extend the life of the machine in the winter season, be sure to warm up the box before starting the movement, alternately switching all modes and lingering in each for a few seconds.
However, with careful operation, the machine goes for a long time without serious investments. The main thing is to prevent overheating and monitor the cleanliness of the radiators. In the long run (5-7 years) the difference in cost of ownership can be smoothed out, except for increased fuel consumption.
⚠️ Note: When changing oil in automatic transmission, use only the specification
ELF RENAULTMATIC D3 SYNor full Dexron III tolerances, otherwise there may be switching problems.
Final comparison and selection recommendations
To summarize the comparison, it can be said that the choice depends on your priorities. If you live in a metropolis with constant traffic jams, appreciate comfort and are ready to put up with increased fuel consumption, then machine-box It's the best solution. It saves nerves during rush hour and makes driving more relaxed.
If the car is planned to be used for work, frequent trips on the highway with full load or you just prefer full control of the car and want to save on fuel, then mechanics He remains a leader without alternative. It is easier, cheaper to repair and more predictable in difficult road conditions.
The main criterion of choice is the balance between the desire for comfort in traffic jams and the willingness to overpay for fuel and maintenance for the sake of this comfort.
In any case, both mechanics and the machine on Lada Largus are mature and proven solutions. Both units are able to pass large runs with proper care, so the final decision remains with the personal preferences of the driver and the conditions of operation of the car.
Frequently Asked Questions (FAQ)
Can I tow a trailer on Largus with a machine gun?
Yes, the technical possibility of towing a trailer weighing up to 1000-1200 kg (depending on the modification) Largus with automatic transmission is. However, it is necessary to strictly monitor the transmission temperature and not overload the car, since the 4-speed machine experiences high loads with traction.
How often should I change the oil in a Largus mechanical box?
The manufacturer can specify different intervals, but experienced mechanics recommend changing the oil in the manual transmission every 60-90,000 kilometers of run to maintain ease of switching and protect gears from wear.
Is it true that the machine on Largus accelerates very slowly?
Dynamics of acceleration of Largus with automatic transmission is really modest (about 15.5 seconds to 100 km / h), which is due to the heavy body, low engine power and only four gears. Overtaking on the track requires careful maneuver planning.
What is the clutch resource on the mechanical Largus?
On average, the clutch set (disc, basket, squeeze) runs from 80 to 120 thousand kilometers. The resource depends on the driving style: frequent traffic jams and sharp starts from the spot significantly reduce the life of the node.