Disadvantages of MAN Trucks of Different Generations: expert answers
Vehicles from the German industrial giant MAN are deservedly considered the best trucks for transportation. We are talking about machines adapted to increased operational loads and work in difficult conditions. The model range is wide, and each generation is famous for its strengths.
However, no matter how perfect the mechanisms and build quality are, sooner or later the truck fails, which requires diagnostics and repairs. Each series of MAN cars has its own typical breakdowns, and experts have taught us how to deal with them quickly. The main thing is to be able to buy man parts for any of the nodes as needed. By the way, there is often a question about the choice of components.: what's better is to spend money and take the original parts and look for worthy analogues.
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MAN TGM
MAN TGM cargo vehicles are worthy representatives of the brand. Cars of this generation can withstand extreme weather conditions, off-road conditions and even work on construction sites. The machines belong to the middle segment, and at one time they proved themselves to be extremely reliable tractors with an impeccable engine, whose power ranges from 250-340 horsepower.
The cars in this series are also good for their economy. Very little fuel is consumed, and the working resource is at a more than decent level. The advantages are complemented by high torque.
Like any other mechanism, the MAN TGM truck may fail. Among the main causes of malfunctions are:
- the use of low-quality fuel or lubricants
- accumulation of oil deposits, metal shavings
- late inspection
- operation in excessively intensive conditions
- increased load on the machine
- ingress of dirt and moisture on individual components
- constant driving on rough roads, especially at high speed
- sudden turning on or off of the engine
What are the most common violations in the operation of a vehicle when you need to think about ordering man truck spare parts:
- the power of the motor drops to a critical minimum, or it stops starting altogether;
- the RTM control units, which are responsible for everything in general, do not respond – the operation of other systems, in particular, connect the brakes, engine and gearbox;
- wiring and individual electrical components are out of order;
- brake pads are wearing out;
- oil leaks and air plugs are noticed;
- the cabin suspension is suffering.
The recommendations are quite simple: it is important to undergo maintenance in accordance with the regulations. It is also worth changing the oil after every 50,000 kilometers, rather than overloading the car beyond the required tonnage standards.
If repairs are unavoidable, it is imperative to give preference to responsible sellers. It is better to order original man parts from an official representative of the company.
MAN TGL
MAN TGL trucks have earned high marks due to their impressive power both externally and externally. The main features of the machines of this generation are excellent maneuverability and controllability. It is quite easy to interact with them in any sphere of human activity. This is a decent model for cargo transportation, maintenance of utility systems, and operation at construction and industrial facilities.
What are its main advantages:
- engine with an advanced Common Rail battery system
- the latest MAN TipMatic® transmission
- harmonious load distribution on the vehicle
- efficient exhaust gas purification system, including a particulate filter and a nitrogen oxide neutralization unit
- availability of man spare parts
- ergonomics and safety in general
Despite the fact that MAN TGL machines seem perfect from all sides, they are not immune from breakdowns and fail for various reasons. As a rule, failures occur in management. Sensors transmit unreliable indicators. However, the most common problems are those that occur in the operation of the Common Rail engine and battery when the valves and injectors do not function properly.
However, it is worth considering other malfunctions:
- the car simply stalls at startup due to the gearbox
- injectors become clogged due to the use of low-quality fuel
- the oil pump does not cope well with pumping fuel
- the suspension, the components of the driveshaft (slots, crosspieces) wear out
- there are strange muffled sounds while driving
- there are large backlashes
- the voltage in the electrics is constantly jumping
What causes these breakdowns? The answer is very simple – violation of operating conditions. Frequent driving on uneven roadways contributes to the rapid exhaustion of the working resource, which leads to failures in the functioning of various MAN TGL systems. The metal is worn out, and the moving components weaken.
The situation with vehicle overloads is no better. The tonnage specified by the manufacturer should be transported.
Therefore, the best advice is to use a trailer if possible (if there is too much cargo), use high–quality spare parts for maintenance and repair. The inspection is carried out every 100,000 kilometers.
MAN TGS
MAN TGS vehicles are ideal for traveling over any distance – small, medium, and long. Vehicles of this generation are actively used to transport a variety of goods, which adds points to their stable popularity. Areas of operation – food industry, construction, transportation of goods, etc.
Key advantages of MAN TGS machines:
- maximum load capacity
- ergonomics of the cabin and back of a truck
- increased security level
- the ability to operate in various climatic conditions
Among the most common types of breakdowns are fuel system and engine failures. It turns out that the car suddenly starts consuming too much fuel and engine oil, because there are problems with the compressor or rings, which is fraught with a drop in power. Among other things, the nozzles in the vehicle become clogged, and air jams form. In addition, the battery becomes weaker over time.
The transmission and clutches also suffer. Before starting or shutting down, the gearbox stops shifting gears, again due to problems with the level of fuel and lubricants. You can clearly hear knocking and vibrations that shouldn't be there at all. The steering deteriorates and the braking distance becomes shorter due to the wear of the shock absorbers.
Electrical components do not respond to commands, and this is most often due to software errors or damaged wiring.
In order to avoid serious trouble on the road, it is necessary to take the car for a professional technical inspection every 50.000-100.000 kilometers using special scanners that accurately detect problems. It is necessary to study the man parts catalog in order to carry out high-quality repairs.
MAN TGS WW
Representatives of the MAN TGS WW line are considered to be more advanced than the machines of the previous series, which perfectly cope with high loads, heat and cold, precipitation and winds. It is only necessary to adhere to the operating conditions.
The technical characteristics of the MAN TGS WW generation machines are more than impressive. The load capacity reaches 50 tons. The radiator is reliably protected from stones and other small debris by a fairly strong grille; however, the grilles are installed on other vulnerable parts. Vehicles are very economical in terms of refueling and fuel consumption. In addition, MAN has been responsible for the implementation of environmental standards, which is why the latest engines with AdBlue technology have been designed to emit minimal amounts of carbon dioxide.
Even if the trucks in this line are incredibly powerful and strong, sooner or later there comes a time when problems arise in various systems. What problems do car mechanics face most often?
- Electrical components are complex, and they need professionalism and accuracy in repairs. Due to the ingress of dirt and water, excessive loads, the electrical wiring stops working normally and maintaining voltage. However, the main control sensors are not functioning. The generator doesn't work either.
- The transmission and clutch also often fail in MAN TGS WW. The gearbox does not respond adequately to turning on or off the clutch. The gimbal does not work as it should, because the crosspieces in it break. The same applies to bearings.
- The engine becomes weak due to compressor problems. There are failures in the exhaust gas system: their smell is clearly felt.
Since AdBlue trucks are mainly operated in harsh conditions, it is necessary to take care of the maintenance in advance. In the process of work, we must not forget about the uniform distribution of unloading. It is important to use only high-quality fuel, and promptly buy spare parts man for a quick replacement.
MAN TGX
The MAN TGX truck series has long established itself among specialists from various fields – transportation, construction, and industry. The engines are designed according to the European Euro-5 standard, which implies comprehensive optimization and reduction of fuel consumption. Among other things, the machines are absolutely unpretentious in terms of maintenance: they do not need a lot of fuel, and components are always publicly available.
The trucks are good, cool, and have an unsurpassed load capacity. However, this does not mean that they are 100% protected from breakdowns. What drivers and car mechanics usually face:
- oil leaks
- problems with fasteners
- clogged nozzles
- increased pressure in the fuel system
- malfunction of the sensors responsible for the braking system
- Starter failures due to dirt and wiring failures
Components of MAN TGX systems break down most often for the following reasons: transporting too much cargo, ignoring the need for an oil change after 100,000 kilometers. Experts recommend regularly monitoring the technical condition of trucks and buying spare part man.
MAN TGA
The MAN TGA line is famous for its incredibly powerful vehicles that travel long distances without difficulty and are equipped with all the necessary amenities for the driver (including sleeping places). Cars warm up quickly and can withstand any climate. You can safely use a variety of oils and fuels.
Of the technical characteristics, it is worth highlighting:
- engines of different power in different models – 360, 410, 460 and 510 horsepower
- compliance with Euro-3 standards
- automatic and semi-automatic transmission modes with self-speed control function
- carefully designed undercarriage with smooth cushioning
- electronically controlled braking system
What could possibly go wrong? Trucks are very hardy, but they can break down due to negative external and internal factors. What are the most common malfunctions?
- Wear on the brake pads, which are designed for about 40,000 (theoretically) and 120,000 (practically) kilometers. However, due to frequent driving on uneven roads or even off-road, they wear out much faster.
- Dirt is constantly being clogged into the GUR pump, while there is no basic maintenance. As a result, it stops working normally.
- Machines that are operated on construction sites often have a deformation of the tie rod tip.
- Axle hub bearings have a sufficiently long service life. But it is rapidly declining, and components fail when the vehicle is overloaded or drives most often on roadways with potholes and bumps.
- The turbocharger is leaking. The root cause is that the driver immediately turns off the engine.
- Injectors in the fuel system often suffer from irregular oil changes.
A brief summary: to ensure a normal operational life, it is necessary to arrange a comprehensive technical inspection for MAN TGA trucks after 50,000 kilometers of mileage. This measure allows you to detect breakdowns at an early stage, as well as prevent more serious malfunctions and expensive repairs. With the purchase of man truck parts, everything is simple: they are sold at the distributor.
Original VS analog: how they affect the resource
Many drivers, with the intention of saving money, are thinking about which parts are more profitable to order for MAN trucks. The choice is between original and analog spare parts, and it involves a number of aspects and risks.
About everything in order. What are the original MAN components? These are elements that are produced directly by an official factory, so there is a expectation of reliability and compliance with standards. In addition, they are subject to warranty obligations not in one particular region, but all over the world. This fact makes repairs financially profitable and affordable.
Now about the analogues. Analogues are made, as a rule, by subsidiaries, but they do not have markings from the original factory. They do not fully comply with the requirements that are set directly by the manufacturer. Such parts may be worse or better in quality, but no one gives an absolute guarantee of safety and long service life.
What do the experts say? It is wiser in every sense to give preference to original details. This is especially important for specific systems, such as braking or fuel systems. The driver will know that everything is fine, there is a reliable part. You just need to preview the man truck parts catalog online.
You need to be careful when buying analogues. Although they are much cheaper, it will take a lot of money to purchase new components frequently, install them, and so on in a circle. Components are allowed if we are talking about optics (for example, headlights) or for maximum cabin suspension.