Bosch KAMAZ fuel injection pump Euro 3 – BOSCH KAMAZ Euro-3 fuel injection pump ECM elements and diagnostic error codes - My articles

Injection pump bosch KAMAZ euro 3 with electronic control device

Repair of fuel injection pump Bosch Kamaz Euro 3 with electronic control

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Home » New » Bosch injection pump KAMAZ Euro 3 with electronic control device
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Malfunctions and repairs

You can repair KamAZ fuel injection pump yourself if you have the necessary tools and equipment.

Main fuel injection pump malfunctions and reasons for their occurrence:

Water in the fuel mechanism. This breakdown may indicate a malfunction of the fuel filter element, diluted fuel, or a leak in the fuel drives.
Reduced and uneven supply of working fluid. In this case, it is recommended to check the plunger for damage, and also inspect the discharge valves and rack clamps. The capacity of the injectors should be checked.
The diesel fuel is running out. The cause of this breakdown may be a leak in the fuel drive. The damaged element should be replaced.
The drive is tearing. It is recommended to inspect the crankshaft, as well as the main components of the power unit for damage and foreign bodies.
Delay of the working fluid injection system. Such a malfunction can be caused by damage to the plane of the adjusting bolt of the pusher element, the roller axis and failures in the rotation speed of the cam shaft.

How to remove and disassemble

Remove the terminal from the battery.
Remove the radiator.
Remove the vacuum pump.
Remove the oil dipstick guide pipe.
Remove the oil filter filter mechanism.
Turn the crankshaft in the direction of rotation until it stops.
Disconnect fuel drives.
Remove the vacuum hose.
Block the crankshaft from turning.
Unscrew the bolt in the center of the coupling.
Remove the chain tensioner.
Pull out the pump by dismantling the fuel pedal drive.

Disassembling the KamAZ fuel injection pump is done as follows:

It is necessary to remove the metering type valve from the end of the pump housing. To do this, you need to unscrew the bolts of the pressure plate and release the advance valves of the injection system.
Then you should remove the fastenings on the top cover.
You need to disassemble the control board to gain access to the electronics.
It is necessary to set the required position of the crankshaft.
Then you need to dismantle the bearing using special equipment.
At the end, all parts should be washed and their surface polished.

Buy a Bosch Kamaz EURO 3 injection pump at a competitive price or order repairs in Moscow!

Repair services

Simple and fast: spare parts and repairs in one place. A technical center, warehouse and diesel laboratory are at your service.

What are we repairing?

Commercial vehicles

Almost until the beginning of the new millennium, the Kama Automobile Plant used domestic developments of modifications of high-pressure fuel pumps and other equipment in the manufacture of engines. However, increasing requirements for emissions standards have necessitated modifications to power units. In the process of transformation and improving the quality characteristics of the engine, the automobile manufacturer, in addition to the products of the Yaroslavl plant, began to use Bosch fuel pumps

The proposals of German manufacturers were fully consistent with the goals and objectives of engine modernization and, therefore, the choice of the Bosch KamAZ Euro-3 injection pump was obvious.

Serial production of KamAZ diesel power units involves the use of two types of fuel pumps with different fuel supply designs:

Bosch in-line fuel system type P7100, which ensures uninterrupted operation of the vehicle when fuel is supplied to the injection sections by a high-pressure fuel pump, according to strictly specified parameters. Due to the cyclical nature of the process, determined by the operating mode of the power unit, the pump supplies strictly dosed portions of fuel under high pressure, which are sprayed into the combustion chambers. The speed controller adjusts the amount of fuel depending on the load, and maintains the set speed. The engine speed controller, which is controlled using an electronic pedal module, is responsible for the functionality of the high-pressure fuel pumps.
A battery fuel system developed using Common Rail technologies, where the processes of creating pressure and fuel injection are separated; a certain level of pressure during injection is created and adjusted by the fuel pump and is practically not related to the engine speed and cyclic fuel supply. This principle of operation of the system ensures maximum optimization of the fuel injection process, and the use of Bosch KamAZ Euro-3 fuel injection pump helped to increase the accuracy and speed of the fuel supply control system, and supplement it with the option of correction for fuel temperature and the thermal state of the engine.

Modernization of KamAZ diesel engines with German fuel systems made it possible to ensure:

increased injection pressure;
adjustable fuel supply process;
preliminary, if necessary, repeated many times, and subsequent, late injection;
adjustment of injection pressure in accordance with the operating mode of the power unit and vehicle;
precise dosing with the possibility of electronic adjustment depending on individual conditions;
reduction of engine noise and vibration levels.

The Digital Diesel company, which has been cooperating with the German concern for more than fifteen years, offers to buy Bosch KamAZ Euro-3 fuel injection pumps, which will completely restore the functionality of the truck’s power unit without violating environmental standards, but using the advantages of the device

German models are characterized by an in-line design of the device, which significantly increases the length of the assembled product, but due to this the width of the pump is reduced. The cam shaft is located under the superchargers, and the cams are the main elements of organizing the order of operation of the sections; their displacement relative to the common axis allows them to influence the plunger pairs, due to which they operate at specified intervals. In addition, almost all models of this type, from a German manufacturer, are made in such a way that the shaft drives both the fuel pump and the speed controller.

The cams act on the plunger pairs through a pusher, which in the free position is pressed against the cams by springs. The special design of the joint allows for not only translational movement, but also partial rotation around the longitudinal axis, therefore, a certain advance angle is created in the spiral groove, which, if necessary, can be changed through a series of adjustments.

The staff of qualified employees and special equipment available to the Digital Diesel company allows you to make the necessary settings with a thorough diagnosis of engine operation. Contacting the Diesel Enterprise Center provides an opportunity;

promptly identify possible malfunctions;
replace the necessary parts;
perform major or major car repairs,

using original spare parts and components supplied by well-known brands, that is, taking a set of measures that will help restore performance and extend the life of the car. Digital Diesel is a partner of the German concern and provides guarantees for the products sold and services provided.

Welcome to Digital Diesel!

We are the only online auto parts store on the market that offers everyone unique discounts on auto parts - up to 48%, incl. according to BOSCH nomenclature.

This page provides information on spare parts in this product category. All information - prices, availability and delivery times are strictly true.

A little higher you can find a form for searching parts for the Digital Diesel assortment. For 15 years, our warehouses have stocked about 20,000 spare parts in constant stock; in the shortest possible time we can select and supply any range of auto parts. If something doesn’t work out for you or you need help, contact the chat or phone number in the upper right corner - we are happy to help you completely free of charge.

If the page contains a large number of spare parts, please specify what exactly you need in chat or by phone - our hotline is free.

Sincerely yours, General Director of Digital Diesel - Sergey Chernyavsky

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The KAMAZ 740 engine does not develop full power

Replace the air filter;
Adjust the fuel supply angle;
Clean the injectors, adjust the injectors;
Repair the injection pump;
Check the operation of the KAMAZ injection pump.

Uneven operation of the KAMAZ 740, KAMAZ 4310 can be caused by loss of functionality of individual injectors, a malfunction of the high-pressure fuel pump or its regulator. Damaged injectors must be replaced, and the injection pump, as a more expensive part, is checked on a fuel stand and repaired if necessary.

Installation of Bosch Kamaz Euro 3 injection pump, all about car repairs

The best answer on the topic of installing a Bosch Kamaz Euro 3 fuel injection pump is to come here. Do-it-yourself car repair is a site that is designed to help car owners in this difficult task. How to repair a car yourself at home. We will help you with repairs and repair the car yourself. We know how to restore a car with minimal investment. I have attached video instructions.

Category: Car repair

Laughter on topic: Two friends are talking. One says to the other: “These women ruined me…” “But you’ve never had a woman, except maybe a rubber one.” “And you know, every time you buy her a new pump, then fill her with noble gas.”

Published by Admin: at the request of Zakhar

The car owner's reasoning: 1. The bi-xenon headlight shines brightly, far away, and judging by the behavior of oncoming drivers, it does not dazzle much.2. The engine responds very pleasantly to pedal pressure, decent sound, the sensations indicated by the horses are confirmed.3. The range of settings for the steering wheel and seats allows you to drive comfortably; on a highway where there is not heavy traffic, cruise control with the ability to control the engine with a button on the steering wheel is pleasing.4. The equipment is richer compared to Toyotas, sound insulation is good.5. The hands-free system works great. Everything automatically, including phone book overwriting.6. It is convenient to use two parking cameras with a motion trajectory when parking.7. The car is warm, cools and warms up quickly, all seats are heated on two levels.8. Large heated rear-view mirrors do not quickly become covered with dirt, making it convenient to change lanes.9. The free access system pays off; there is no need to take the key out of your pocket. Automatic trunk opening is also convenient.10. Small turning radius.

Video: installation of Bosch Kamaz Euro 3 injection pump

brakemoz-avto.ru

Principle of operation

Kamaz engine fuel supply diagram

The fuel mixture comes from the fuel tank and passes through a fine filter. The booster pump provides pressure that supplies fuel to the fuel injection pump itself.

The piston group provides a stroke to distribute the liquid through the tubes, directing them to the nozzles, which spray fuel into the combustion chamber.

Its remains and accumulated air flow back into the fuel tank. That part of the fuel that has passed the section between the needle and the sprayer remains in the drain pipes.

The KamAZ Euro 2 injection pump has a low pressure pump on the regulator cover. It is made in the form of a piston system, the movement of which is started by the cam shaft. Due to the change in crankshaft frequency, the design has an addition in the form of an automatic clutch, which is necessary to advance fuel injection.

How to bleed a diesel fuel system in several ways

How to bleed the fuel system of a diesel engine

The fuel system or vehicle vehicle must always be under the control of the driver.

Particularly susceptible to various types of vehicle problems of a diesel unit.

Airing is the most common difficulty, and beginners are advised to learn ways to bleed the fuel system themselves.

Symptoms of Air Entry and Checking

ATTENTION! A completely simple way to reduce fuel consumption has been found! Don't believe me? An auto mechanic with 15 years of experience also didn’t believe it until he tried it. And now he saves 35,000 rubles a year on gasoline! Read more"

The main reason for the excessive susceptibility of the diesel fuel system is the presence of an injection pump.

This is a high-pressure pump installed on diesel vehicles (and on some cars with gasoline engines).

During operation, this pump can swallow air, and then the pressure decreases, as a result of which the efficiency of fuel injection drops sharply. The problem is solved by pumping.

You can determine the presence of air in the system by how the car behaves:

it may start perfectly, but the engine will be unstable for some time or periodically;
the car reacts extremely poorly to the accelerator pedal;
after a long period of inactivity, starting difficulties are observed, it is not possible to start the engine, even after several minutes (as the engine starts, it gets worse and worse).

How to bleed the fuel system of a diesel engine photo

The cause of such failures must be sought precisely in the air lock formed in the system due to the ingress of air. However, an experienced motorist cannot be satisfied with symptoms alone, and he knows that other malfunctions are possible with the same symptoms. Therefore, it is recommended to conduct a full analysis.

Disconnect the high pressure hoses from the injector.
Have a helper crank the starter.
See if fuel does not flow from the tubes, it means there is air there.

As mentioned above, competent pumping will help correct this situation.

Reasons for the formation of an air lock

Pumping out the air is a given. However, no doctor will heal a patient unless he eliminates the cause of the disease. So it is here. First you need to find and eliminate the cause of the traffic jam, and only then start pumping.

The most common causes of air getting into the system.

The vehicle is worn out, the tightness of the seals and the pump cover is broken. Corrosion of metal tubes is observed, mainly at the joints.
The diesel fuel in the tank has run out. It is for this reason that drivers of diesel cars are advised to periodically monitor the fuel level in the tank. After refueling, the engine takes a long time to start because the system sucked in air instead of fuel. “Diesel drivers” are familiar with the situation when, when starting, they have to pump the gas pedal with their foot for 5-10 minutes.
Air entered through the filter if the latter was recently changed. As a rule, it is installed incorrectly, and then air is sucked in or the part simply turns out to be of poor quality (China).
In case of problems with the injection pump. Again, the pump seals become damaged over time or the pump itself becomes damaged, and then only replacement helps.

To accurately determine the location of the leak, it is recommended to carefully inspect the bottom of the car and under the hood. Any leaks or wet spots should be carefully inspected. They are clear evidence of damage to the main line through which diesel fuel is supplied.

However, smudges may not always be noticeable or they may simply not exist. Therefore, several effective methods have been invented that can easily identify the location of the leak. Here's one of them.

How to bleed the fuel system

The supply hoses and “return” must be removed. In their place, install tubes, the free ends of which are placed in some container. The latter should be located above the high pressure pump.
Unscrew the bolt of the fitting from where excess diesel fuel drains. Use a syringe or small vacuum pump to suck out the air through this hole. Retighten the bolt and start the engine to completely remove the air lock.
You can do it differently. Remove the diesel fuel supply hose from the fuel injection pump, then place it below the level of the tank. Air will begin to escape along with the diesel fuel, and as soon as the fuel flows in an even stream, the hose must be returned to its place and tightened as it was.

After this, you need to leave the car for 3-4 hours. If after this time the engine starts without problems and runs stably, the problem is eliminated. This means the fuel line is damaged. We need to check it and replace the hoses.

Speed control device

The KamAZ Euro 2 fuel injection pump design provides for the use of a speed control mechanism. The fact is that for stable operation of the power plant, a steady state is required. The parameter provides for constant rotation of the shaft, heating of the lubricant, etc. To achieve the indicators, the values of the torsion impulses and counter-motion impulses are equalized. Operation upsets the balance, since the applied force in the modes differs, as a result, the parameter values deviate from the required ones. The return of impaired indicators is possible thanks to adjustment. The process takes place manually (fuel pump rail), or using an automatic machine that regulates the frequency. The last element maintains the user-suggested shaft speed by changing the portion of diesel fuel taking into account the load in automatic mode.

KamAZ engines are equipped with a direct type control device, installed in the frame of the pump with adjustment on the plug.

The regulator has: