Do-it-yourself uaz repair

Among all others, every car owner has a dream: to make his vehicle powerful, beautiful and trustworthy. Many people have a preconceived notion that only passenger cars can be tuned, but this is not the case. Strengthening power, adding new elements to the interior and chassis, inserting additional lighting devices - all this can be done on other cars, such as trucks, vans and tractors, for example. In this case, tuning of the UAZ 39094 "Farmer" will be considered with their own hands, which, although quite difficult, is still possible. It is enough to have a little knowledge in the field of technology.

Initially, you need to answer the question: in what conditions will this workhorse be used and what responsibilities will be assigned to it? This is an important point as it will affect the degree of tuning. Simple trips to the forest for firewood or mushrooms do not require a complete alteration of the wheelbase and chassis, since this car is not threatened by heavy off-road conditions.

Such a "light" upgrade may include replacing the rims with a larger size (optimally 31 inches), as well as altering the interior according to the personal wishes of the owner of the car. You can also make the body either covered or open - this is also based on personal criteria.

It should be noted right away that it is rather difficult to carry out a complete tuning of the UAZ 39094 "Farmer" with your own hands for the reason that the whole process will take a long time. However, if it is, as well as a desire and a supply of finance, then you can safely proceed.

Most the first stage is changing wheels, as in the "light" upgrade. In order for the car to be able to overcome serious off-road conditions, it is recommended to put tires in 33-35 inches, which, of course, will entail changing the rims. To create an optimal balance between cross-country ability, good looks and not invest a lot of money at the first stage, it will be enough to purchase 15-inch wheels.

Stage 2 - suspension and body lift. These structural elements must be replaced so that the newly supplied wheels do not touch the arches when cornering. In addition, the passability will improve in those places where the road seems unsuitable for driving because of stones, large branches, boulders, and so on. To prevent damage to the arches, it is enough to put a small spacer between the frame and the body. Sometimes it happens that it is necessary to trim the arches of the wings, making them more streamlined. The suspension lift is upgraded by installing additional leaf springs. It is also recommended to add to this long-travel shock absorbers, which will provide a comfortable ride on logs, bumps, ditches, rocks, and so on.

Stage 3 - installation of the winch. UAZ 39094 "Farmer" will ideally work with a hydraulic or electric winch. The hydraulics are more reliable and deliver more power, but they are sluggish and do not work when the engine is off. In addition, such designs are somewhat more expensive. Electric ones are easy to install and can work in stand-alone mode. Such a winch can be easily dismantled. Its disadvantage is a rather high power consumption, as a result of which the installation of an additional battery will be required.

Now the car is more or less ready to overcome road obstacles, but it is too early to arrange a crash test for it.

Stage 4 - body strength and interior safety. At this stage, you need to put on a power kit. First of all, a strong bumper is mounted that absorbs any strong impacts.On the sides, special power thresholds are installed, which can play another useful role in the future: they become stops for jacks. Additional protection is also available for the engine compartment, fuel tank and axle housings.

Stage 5 - sealing of the units. This stage will be relevant for those who are planning to ride a tuned "Farmer" on areas where reservoirs and swamps meet. In order to increase the safety of electricians and other devices, it is recommended to rearrange them a little higher, while using wires with high-quality insulation.

Stage 6 - disc brakes. Thanks to their installation, you can significantly increase safety when driving on any surface. An important fact: the new UAZ 39094 “Farmer” models are already equipped with such brakes at the factory assembly stage, so it is imperative to check this point so as not to change the “awl for soap”.

Stage 7 - tuning of the UAZ 39094 salon. Farmer. Everything is simple here: the imagination of the car owner is the only correct guide to action. For greater convenience, you can put large leather seats with a high seating position, mount an audio system in the torpedo and place speakers in the cabin.

It is extremely difficult to name the exact cost of the entire event described above, you can only try to roughly calculate the price. So, on average, a complete tuning of the UAZ 39094 "Farmer" with your own hands can cost from 60 to 150 thousand rubles. At the same time, you can save an impressive amount, since everything will be done without the services of masters from different ateliers. Salon tuning is a separate expense item. How much to spend on it is a personal matter for each driver.

UAZ vehicles are considered the most versatile and practical vehicle. Many residents of our country choose these domestic cars. Cars of this brand have one indisputable advantage - it is really possible to repair the UAZ on your own.

The Ulyanovsk Automobile Plant produces off-road vehicles. In wartime, the ZIS-5 was made here, and when the war ended - the "lorry" GAZ AA. Since the mid-1950s, the production of GAZ-69 began, and the first independent development of the plant was the UAZ-450, the founder of the famous "tablet". Then, for a very long time (more than 30 years), the serial production of the "goat" - UAZ-469 was launched. The UAZ-3303 cargo truck also found its admirers among consumers. Almost all of the above machines can be repaired by hand.

The work of a master in a car service

The simplicity and maintainability of UAZ vehicles have always been highly appreciated by those who bought them - rural residents, off-road enthusiasts, army men. Operation of the UAZ 469 is possible at any time of the year, in any climatic and road (or off-road) conditions. The greatest stress is usually placed on the engine, clutch and suspension. Spare parts for these units can be found without problems.

The engine of UAZ vehicles often overheats, especially when driving off-road. This, in turn, leads to the destruction of the pistons and cylinder liners. As a result, many motorists have to change the complete power unit. To make it easier to restore the UAZ 469 with your own hands, you can use the repair manual. So motorists will be confident in the correctness of their actions when replacing failed vehicle parts.

Usually, UAZ car repair is associated with the replacement of body elements and its alteration. Motorists who decide to repair their car on their own should always remember that such operations require certain calculations and skills, since the rigidity of the body after the repair should be the same. In addition, it is advisable to arm yourself with special electrical circuits, they will always come in handy. Having studied the diagram, it will be possible to understand what wires the equipment is powered by, what wires it connects. If difficulties arise with this, it is better to entrust the restoration of the performance of your car to experienced specialists.

You can always carry out repairs, for example, UAZ 390995, by watching the corresponding video. Competent restoration of UAZ Hunter and other car models of the Ulyanovsk plant will extend the service life of the vehicle.

We should also mention the repair of mufflers for UAZ vehicles. The location of the part is considered very inconvenient. If you have to drive off-road for a long time, the muffler, as a rule, simply pulls out.

UAZ vehicles are reliable, they show themselves excellently in the harsh Russian conditions. Even a primitive-looking UAZ "tablet" is capable of great feats. But he will need frequent repairs, including engine rebuilding.

Some problems can be dealt with on your own. For example, if the engine does not start, you need to flush the fuel tank sump with gasoline and blow it out with compressed air. If the engine overheats, it is necessary to check whether it has enough coolant.

During the operation of UAZ machines, other problems with the engine may occur. It is worth disassembling the motor only if the following factors are present:

• engine power decreases;
• oil consumption increases;
• the lubricant pressure decreases;
• the motor smokes;
• there is a knock or noise;
• fuel consumption increases significantly.

When removing the engine, follow the standard procedure. First, you need to install the car above the inspection pit, fill in oil and coolant. Then you need to remove the air filter and disconnect the exhaust pipe of the muffler. After that, the hoses of the oil cooler, heating and cooling systems should be disconnected. Next, the radiator is removed. Then it is necessary to disconnect the throttle actuator rods from the carburetor and all electrical wires from the engine. The next step is to disconnect the clutch release cylinder, unscrew the mounting bolts. It remains only to disconnect the gearbox, and then remove the engine itself. In this case, the gearbox and transfer case must remain on the frame. When installing the motor, all steps are performed in reverse order.

Some repair work can be done by yourself

You will need special tools to disassemble the engine. The easiest way to disassemble it is on a swivel stand. It is necessary to start work with a thorough cleaning of various contaminants. After the motor is disassembled, it is necessary to degrease and clean all its parts from carbon deposits. This can be done, for example, mechanically. Then the rubbing surfaces must be lubricated with engine oil.

It is advisable to install permanent joints on nitro-varnish, and threaded parts on red lead. A torque wrench is best for tightening bolts and nuts.

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UAZ Hunter repair manual, operation and maintenance manual, device of UAZ Hunter cars (UAZ Hunter) since 2003 and UAZ-469 since 2010, equipped with ZMZ-409 gasoline engines and ZMZ-5143 diesel engines. The manual includes more than 2000 color photographs, showing in detail the entire process of step-by-step repair of equipment.

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Repair manual for UAZ 3741 and modifications of this model, manual for the maintenance and operation of UAZ 3741, 31512, 31514, 3153, 3962, 2206, 3303, 3909, 33036, 39094, 39095 vehicles, the device of these models. Cars with gasoline engines with a working volume of 2.5 and 2.9 liters. The publication contains full technical characteristics of the car, color wiring diagrams, more than 450 illustrations. The publication is intended for service station workers, repair companies, owners of UAZ vehicles.

UAZ 3163 Patriot Repair manual in photos

UAZ Patriot repair manual, UAZ Patriot operation and maintenance manual, UAZ 3163 Patriot device equipped with a ZMZ-409 gasoline engine (Euro 2, Euro 3). The manual examines in detail the design of the UAZ Patriot car, gives advice on operation and repair. A special section is devoted to possible malfunctions and damages on the road, methods of diagnosing such malfunctions and their elimination.

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Full-color illustrated manual for the repair, maintenance and operation of UAZ-31512, -31514, -31519 vehicles, including engines UMZ-4218 and ZMZ-4104. The manual examines the design of components and systems of the car, the sequence of disassembly and repair is shown in the photographs with detailed comments. The appendix contains tools, lubricants and operating fluids, lip seals, bearings, tightening torques for threaded connections, lamps, as well as electrical equipment (wiring diagrams) of the car.

UAZ 3151 Repair manual + parts catalog

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Complete factory catalog of parts and assembly units for UAZ-31512 vehicles and their modifications.
In the manual, spare parts and assembly units are grouped according to structural and functional characteristics in accordance with RD 37.001.138-90. The pictures of the spare parts and parts are arranged in the order of assembly and their interaction in a given assembly, which contributes to a better understanding of the design of the vehicle and the correct disassembly and assembly of parts.

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Electronic version of the manual for the repair, maintenance and operation of UAZ-31512,31514,31519 vehicles.
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Repair and maintenance manual for UAZ 31512, 31514, 3741, 3362, 2206, 3303, 3909, 39091

Automotive manual for the repair and maintenance of UAZ vehicles - 31512, 31514, 3741, 3362, 2206, 3303, 3909, 39091 and their various modifications, as well as complete black and white electrical diagrams of components and assemblies of this UAZ vehicle. The provided material will be useful to all those who wish or need to carry out professional repairs.

UAZ cars are very popular in Russia, and in Soviet times the UAZ was out of competition - foreign SUVs were extremely rare in the Soviet Union at that time. But since the machines are often operated in difficult conditions, it is necessary to regularly repair components and assemblies, and repairing the UAZ engine is a relevant topic that interests many.

• motors are not complex;
• spare parts are available and are in stock at many auto dealerships;
• engine parts are inexpensive.

The engines of the Ulyanovsk plant have their own characteristic "diseases", and not all car owners leave their "native" engine - they put internal combustion engines from other car models. In this article, we will consider the features of UAZ engine repair, typical engine malfunctions, as well as possible options for replacing UAZoav power units.

UMP began its history in 1944, when a joint-stock company was created by the order of the People's Commissar. At first, the plant produced small-displacement engines for charging batteries and mobile power plants, and the first automobile internal combustion engine rolled off the assembly line in 1969.

The motor was named UMZ 451, and had a lot in common with the power unit of the Volga GAZ 21. Since 1971, the ICE 451 was modernized, and it received the 451M index, this engine was awarded the “Quality Mark”. In the late 70s and early 80s of the last century, the UMZ-414 ICE was installed on the UAZ 469 ("goat") and UAZ 452 ("loaf") cars, and since 1989, the UMP 417 with a capacity of 90 liters has been produced. With.

Until the mid-90s, all Ulyanovsk engines had a volume of 2.445 liters and a cylinder diameter of 92 mm. In 1996, the production of the UMZ-421 ICE began, this power unit was distinguished by a cylinder diameter increased to 100 mm and a large volume (2.89 liters). Since 1997, the Ulyanovsk plant has been supplying power units for GAZ vehicles, and these are models:

• 4215;
• 4213;
• 4216 in various modifications;
• Evotech 2.7.

The engine of the Ulyanovsk plant, model 417, is produced in various modifications, has an aluminum block and a cylinder head, 4 cylinders in one row, 2 valves per cylinder. "417th" engines have a carburetor fuel system:

• a single-chamber carburetor is installed on modification 417;
• UMZ-4178 is equipped with a two-chamber carburetor.

The technical characteristics of the UMZ-417 are as follows:

• volume - 2445 cm³;
• power - 90 liters. With.;
• piston diameter - 92 mm;
• compression ratio (compression in cylinders) - 7.1;
• piston stroke - 92 mm;
• type of fuel used - gasoline A-76.

The UMZ-417 internal combustion engine, in addition to 4178, also has other modifications:

• 4175 - an engine designed to use AI-92 gasoline (98 hp, compression ratio - 8.2);
• 10-10 - ICE with a block head from model 421 and with a rubber rear oil seal.

The UMZ-421 engine has been produced since 1996, it is installed on Ulyanovsk models:

Instead of stuffing box packing, this motor uses a rubber oil seal as the rear crankshaft seal. This motor has the following characteristics:

• volume - 2890 cm³;
• power - 98 liters. With.;
• piston diameter - 100 mm;
• compression ratio (compression in cylinders) - 8.2;
• piston stroke - 92 mm;
• the type of fuel used is AI-92 gasoline.

There is also a version of the internal combustion engine designed for A-76 gasoline fuel, the power of such a power unit is 91 liters. With. (respectively, the compression ratio is 7.0). UMZ-421 motors are equipped with K-151E carburetors.

The UAZ Patriot, which is widely popular in Russia, has been produced since 2005, but unlike all other Ulyanovsk-made cars, this model has no "native" engines - the SUV is equipped with ZMZ and Iveco engines. Only one type of gasoline engines is installed on the Patriot as standard - 3MZ 409.10 with a volume of 2.7 liters and a capacity of 128 liters. With. This engine has taken root so well on the UAZ that it is sometimes called the UAZ 409.

The engines of the Ulyanovsk Motor Plant are distinguished by their simplicity of design and high maintainability, and since UMP engines are simple, many drivers repair UAZ engines with their own hands. Overhaul is always carried out with the removal and installation of the power unit, disassembly and assembly of the internal combustion engine, so that the engine works for a long time after repair, it is necessary to correctly troubleshoot.

What to consider when doing self-repair:

We disassemble the removed engine as follows (consider the example of the UMZ-417 engine):

• disconnect the manifold assembly with the carburetor from the block head. The two inner nuts are most difficult to crawl, so you should use a socket wrench (standard nuts are usually 14 mm);
• remove the valve cover (6 screws or bolts);
• dismantle the distributor drive, remove the two side covers of the pushers;
• unscrew the nuts securing the rocker arm axle (4 pcs.), remove the axle. We take out the rods (there are 8 of them), and then the pushers (also 8 pcs.);
• we unscrew the cylinder head fastening nuts, dismantle the block head. The head can sit tightly, but you do not need to apply much effort to remove it, and when removing it, you should try not to damage the surface of the cylinder head;
• why do we remove the crankshaft pulley, turn off the ratchet. It can be unscrewed with sharp hammer blows in a counterclockwise direction;
• then the hub should be dismantled; to remove it, you must use a special factory or homemade puller. When dismantling, it is necessary to secure the crankshaft from rotation;
• the next step is to remove the pallet (oil sump). After unscrewing all the nuts, gently knock on the pallet with a hammer, and if the crankcase does not come off, you can pry it with a screwdriver, pushing it between the block and the plane of the pallet. You should not regret the gasket (it is still a replacement), the main thing is not to damage the surfaces of the parts;
• remove the oil pump, it is supported by four nuts;
• dismantle the camshaft cover (unscrew 7 nuts);
• we turn off the connecting rod nuts, dismantle the connecting rod caps, take out the pistons together with the connecting rods. It is necessary to dismantle one rod at a time and immediately bait the covers in place - the covers should not be confused with each other, they are not interchangeable;
• we unscrew the nuts of the main covers, dismantle the covers, take out the crankshaft assembly with the gear, flywheel and clutch;
• we turn the camshaft so that bolts appear under the holes in the camshaft. With a socket wrench, unscrew the two bolts by 12, dismantle the camshaft together with the gear.

Now it remains to disassemble the details:

• disconnect the manifold from the block head;
• dry up the valve;
• remove the clutch, gear and flywheel from the crankshaft;
• dismantle the gear from the camshaft;
• disconnect the pistons from the connecting rods.

Disassembly is complete, you can start troubleshooting parts.

Often on the old "UAZ" the engine completely depletes its resource, and then the car owners have a very reasonable question - how to replace the old engine. Installing an engine on the UAZ 402 is the most reasonable solution:

• the ZMZ-402 engine is more reliable than the "UAZ" one, and many such used engines in good enough condition are sold by hand;
• for replacement, a minimum of alterations will be required - the Zavolzhsky ICE is suitable for all mountings.

The "four hundred and second" engine has another very big plus - it will be the cheapest of all the proposed options that may exist when replacing the engine with a UAZ.

The installation of the ZMZ 406/405/409 engine on the UAZ will be somewhat more expensive. These motors are also suitable for mountings, but you will have to:

• deal with electrical wiring;
• adjust the front exhaust pipe.

In general, there are not many alterations either, but the 406 motors themselves are a little more expensive. There are UAZ car owners who install imported diesel engines on the car, but here you have to make a lot of changes to the design:

• remodel the exhaust system;
• digest motor and gearbox mountings;
• completely throw the wires;
• adjust the water connections in places.