How to remove nozzles?
Content personal car In perfect condition - the desire of each driver. Especially since the need to eliminate some problems independently, without the help of auto mechanic specialists. The most common problem associated with the fuel system is pollution of the filter and nozzle needles for combustion. As a result, negative processes in the engine are beginning, associated with increased fuel consumption.
Instructions for enee nozzles
- Before removing the nozzles, you should familiarize yourself with the basic rules of this process. Take care that on your hand you had a pair of comfortable screwdrivers (best - long and short). They will help to remove the locks from the details.
- If the nozzles data are still suitable for further operation, it is worth using with round-roll or tweezers. From each of the pipes, disconnect the regulators idle move.
- Shot connector can immediately be cleaned not to return to this later. Do not forget to also disconnect the vent carter gasesOtherwise it can prevent your future work. Then you need to disconnect the black bar, which is located just above the nozzles.
- Be careful - this tire is fixed by clamps, because it serves to control the nozzles. Now proceed to the analysis of the fuel strap.
- Do not worry if gasoline is poured out of it - you are on the right track. But the safety regulations here need to be observed more carefully, you should not forget that you work near flammable and explosive substances.
- After removing all the details, it will be possible to proceed to the immediate dismantling of the nozzles. In this case, it may be necessary to attach some physical strength to extract them from the engine. At the same time, it is important not to lose rubber regulators - the important parts of the nozzles that are on both sides of the part.
A more visual picture of the above instruction can be found on many specialized sites. The video, how to remove the nozzles, will help to understand in detail in the correctness of this work, and user comments may come across the solution of other related problems.
Removal and installation pump-nozzle
Sequence of removal and installation of pump-nozzles in a diesel engine.
1-frame of the radiator with mounted parts, 2-bolt (4pcs. Tightening torque is 8HM), 3-bolt (2pcs. Tightening torque is 20nm), 4-bolt (8pcs. Tightening torque is 20nm),
Make and postpone expansion tank cooling systems
-Catch the filling tube of the tank of the glass wool and a farture cleaner
-Catch screws 4.
- Drink guide rods in the right and left side member (2 pieces)
- Cut the screws 2 and 3 (left and right)
- Intercoule head pressure hoses
- Using the adaptation of the guide rods, the movement to-slide-slide the frame of the radiator is approximately 15 cm.
- To make the hoses and wires.
If there are no guide rods, the radiator frame can be neatly put on the pads, picking up their height. The photo shows an exemplary position of the radiator frame installed on the pads.
Removal of the nozzle:
- Hold the input manifold
-Catch cover, as well as the cylinder head cover
-To turn crankshaft With the help of a key so that the pair of cams, respectively, installed or removed evenly pointing up. If there is no key to turn the crankshaft, can be done differently. Subdomrote front wheel car. Enable the highest gear. Slowly hand rotate the wheel until the cams do the desired position.
-Slight controls of adjusting bolts -1- and unscrew the bolts so much so that the corresponding rocker is legally on the spring pusher spring pusher
- Rent fastening bolts -2-axes of the rocker from the outer part inside and remove the axis of the rocker
- Rent a fastener bolt -3-blocks and pull out the block
- Enroll the connector pump-nozzle scrap. To avoid skew, maintain a connector with back side Lightly pressing finger
- hold the remnant instead of a clamping pad in the side cutting pump-nozzle
If there is no filler, you can make it yourself. For example, such as shown in the photo.
-Sured tapping movements Extract the pump-nozzle up from the site of planting in the cylinder head.
Installation pump-nozzle
1-20 nm + trunge on 1/4 turn (90 °), 2-locking, 3- adjusting bolt (replace with each disassembly), 4- axes of rocker rocker, 5-stranded, 6- 12 nm + trunge on 3 / 4 turns (270 °), 7-pump-nozzle, 8- sealing rings, 9- thermal insulation, 10-0 ring.
During installation on a new pump-nozzle engine, it is also necessary to replace the adjusting bolt in the rocker. New nozzles in the kit are supplied with installed sealing rings and heat-shielding seal. If an old pump is installed, then it is necessary to replace with new round-section sealing rings and thermal insulator. Carefully make sure that the rings are not overwhelmed.
- Lubricate the rings with oil and extremely gently install the nozzles to the landing site in the engine cylinder block head
- insert pump-nozzle in planting place need to be uniformly pressed
- clamping pad in mind in lateral cutout pump-nozzle
Attention!
If a pump-nozzle is located not at a right angle to the retainer, then the fastening screw can relax at a certain time, which will lead to irreversible damage to the pump-nozzle and the seating.
- twist a new fastening bolt in the block so that you can slightly turn the pump-nozzle
- Install the template, as shown, between the bearing socket and pump-nozzle
- Rotate the housing of the pump nozzle from hand relative to the template
Helpful advice!
If you do not have a template, then before removing the nozzle, measure the gap between the nozzle and the bearing socket (by selecting the plate of a certain thickness). In the figure, the arrow indicates the location of the gap.
- improve, if necessary, the position of the nozzle and tighten the mounting bolts. Tightening torque 12nm, followed by a correspondence by 270 ° (3/4 turn)
- Install the rocker axis and gently tighten the new bolts
- Tighten the internal bolts at first, then both external bolts. After that, trust in the same sequence with a torque of 20 nm + according to 90 ° (1/4 turn)
- On the adjusting screw of the nozzle, install the indicator as shown in the figure
- Turn the crankshaft in the direction of rotation of the engine so that the roller of the roller stops on the top of the drive cam. The side of the roller (in the figure of the arrow a) is at the highest point, the indicator (in the figure of the arrow B) is at the bottom point
- After that, you need to remove the indicator
- Then unscrew the adjusting screw from the stop back by 180 °
- Holding the screw in this position, tighten the countercount with a torque of 30 nm
- Insert the pump-nozzle connector into place and fasten the engine cylinder head cover.
If you like the article, add it to the social. network. Thank you in advance!
How to remove nozzles?
Answer 1.
There is nothing terrible there. There are several nuances, I will try to describe the memory (filmed last year, something could already forget). If that, LEO will correct, he has more experience. From what should be paid attention to.
Caution with latches on the supply and drain fuel line. They are plastic, it will be a pity, if you break.
It is desirable when removing - installing nozzles to change O-Ring (sealing rings on nozzles). If my memory does not change, they can be different in color (they have different temperature modes) - those that are included in the intake manifold and those in Common Rail. It would be better not to confuse them in places.
Why better to put new ones? Americans are generally advised at any work to change all the rubber bands, falling along the road over three years - they have a challenge worth it much more than these rubber bands. If then it flies again to disassemble. Those rings, which are included in the Common Rail (fuel line feed directly nozzle) should keep tightness for fuel leakage outward. Under the intake pipeline on our resin-block is the graduation. It will be very insulting, if the car lights up due to the smoking item. However, we live in Russia and everything you need in science, in our country it is not always fair, therefore I, for example, I checked visually and to touch the condition of the rings and put the old (and what to do?).
To remove the Common Rail, you have to remove gas cables, kikdaun and cruise control. Careful with their tips - some can easily break and although it is not very scary - still insulting.
Cape Kickdown then will need to be adjusted. It is desirable before disassembly to wash the engine from the nozzles, because Otherwise, dirt can fall into the inlet pipeline.
In my opinion remove better aggregate - Injectors-Rail. Go out of the sockets of nozzles with a rather large force - this is normal.
It makes sense to prepare a vacuum cleaner in advance and after removing the nozzles to collect rubbish (the washing of the motor, unfortunately, does not remove it).
When the nozzles are disconnected, do not forget that the connectors are fastened with springs with brackets.
And before disassembly it would be better to disable the battery.
I also ask you to keep in mind that, as I already wrote, I still tried THF only against external pollution. Then I will report what was reached when washing inside.
Yes, if the engine is already running uneven, it would be nice to first unscrew the candles and see their condition. Injectors from those cylinders, candles in which they differ sharply from the rest special attention.
Work is advisable to be carried out clean. Although an additional filter is inserted into the inlet nozzle, any dirt is extremely undesirable. Maybe inside it, that then it will not be rinsed at all.
The nozzle is the electromagnetic device of the engine power system, which is responsible for dosing the fuel supply in the intake manifold. Considering the impact of high temperature and low fuel quality, during operation within the nozzle may occur, having a similar lacquer structure. As a result, it poorly opens, which negatively affects the start of the engine and its power. To ensure the capacity of the nozzle, which means the optimal operation of the entire system of start-up and control the engine, you need to get rid of pollution. Definitely before taking on this important task, the nozzle must be removed.
If you feel the strength and enthusiasm with your own hands to make a dismantling of fuel injectors, it makes sense to listen to the advice. Lovers to produce all manipulations with own car It is claimed that you need to cook: sets of screwdrivers, keys, power passages with a lever and a retainer, carbocliner and cloth. If you want to make the removal operation of this device perfectly and correctly, you should adhere to a certain order of its execution. So, proceed. First of all, the fuel ramp is removed along with all the nozzles, then when the spring bracket is simultaneously climbing, the wire block is disconnected. A screwdriver is taken, with which the retainer shifts along the ramp. Then the nozzles are removed from the ramp, which at the same time scrolls slightly. Next, using a flat screwdriver, you need to get rid of the sealing rings located on the electromagnetic device and sprayer housing. It is advisable to replace them with new ones. Special difficulties with the extraction of nozzles can have car owners equipped with diesel engines. This is caused by the specifics of the body structure and directly the engine: when moisture, the nozzles are accumulated to the head of the cylindrical block. Best disassembly of such nozzles to produce with special equipment in order not to lose a large amount of time on milling, welding and replacement supplies. It is safe to spend on all this, and the desired effect does not achieve. It happens that it is necessary to sacrifice all the nozzles, remove the head of the cylinder block and drill the faulty parts. Please note that the operation of fuel injectors occurs with high pressure. An unexpected fuel jet from nozzle nozzle can cause unsafe consequences and cause serious skin damage. Therefore, producing some actions with a device being under pressure, be alert, taking care that the fuel jet does not splash into your direction. If there is an opportunity, instruct professionals to test the pressure in fuel system. If you take on this case yourself - observe precautions. Note that fuel injectors have enough long term operation. Perhaps there is no need for their dismantling at all. How to decide on this case? To establish the feasibility of replacing the nozzles, first pay attention to the mileage. If it reached a mark above 100 thousand kilometers, the meaning in checking is probably there. Contact good specialists so that they qualitatively performed testing, disassembling and calibrating the nozzles in your car. We assume that exactly faulty fuel nozzles cause smoking and knocking sounds? The reason can be installed without disassembly. To do this, it will be necessary to lower the clamps and remove the air duct for a long time, located in the zone of the air cleaner and the intake manifold. When the plastic cover is removed from the top of the engine, secure the air duct on the previous position and clamp the clamps. Now the time to begin to remove the engine at high idling speed. And then carefully loosen the tightening of the fittings in turn, make it carefully, preferably adjacent zone to put up rags. As a rule, when the fitting of the faulty nozzle turns out, the knock and smoke disappear.Now we know everything about technology for removing and cleaning nozzles. These simple rules will help independently perform repairs that will be quite expensive on any hundred. The technology does not depend on the type and volume of the engines and is suitable for any models of cars.
Since today fuel is not the highest quality, then many owners need to be replaced or. The nozzles fail due to dirt in fuel and a variety of impurities. Understand that they work poorly possible by engine behavior (power loss, increased flow Fuel, etc.).
Before dismantling nozzles on VAZ-2114, you will need to throw the pressure in the fuel ramp. The process is performed by disconnecting connectors with wires from fuel pump and then start the motor. Working machine in this position should not last. The procedure must be repeated until the car will not be able to start.
Disconnect the connector with wires from the fuel pump
Removal:
- It is necessary to dismantle the nozzle from the air filter;
- Turn off the wires from the nozzles;
Disconnect the electrical connector from the fuel ramp
- and the position of the throttle;
- Remove the vacuum hose from the fuel pressure regulator.
- Now you need to unscrew the tubes for the supply of gasoline.
Unscrew the gasoline feed tubes
- It is recommended to remove the gas cable, it will be more convenient to perform work further.
- Next, you need to unscrew the plate that holds fuel hoses;
With a screwdriver unscrewing the bracket on which fuel tubes are attached
- Now it is necessary to dismantle the fuel ramp and carefully remove it from the car. Injectors should be directed up;
We dismantle the fuel ramp
- Now it will be necessary to remove the nozzles themselves, disconnecting the brackets, which hold the electrical connectors and the nozzle itself.
- Thus, the nozzles will be deleted and can be replaced.
Remove the nozzle from the fuel ramp hole
Important! If the nozzle is washed, it is not recommended to put it on a dirty place.
- Rampa and holes in it is better to close anything so that dirt and other items do not get there.
Replace the nozzle is simple enough. When the old spare part should be installed new and fix it with a spring washer. After that, you can put the ramp in your place.
Video on the removal and installation of nozzles
It is important to remember that when dismantling and installing nozzles should be extremely careful.
Service workers are always advised when replacing such items:
- It is impossible to damage the nozzle when replacing.
- It is forbidden to disassemble nozzles for repair.
- It is necessary to ensure that the oil does not fall inside.
- It is strictly forbidden to lower the details to any means for washing. They have electrical connections in the middle.
- No need to rush to part with money for new details, perhaps the problem is solved by the usual washing of the channels.
- To do this, it is recommended to view the video according to the correct flushing.
Video about proper washing nozzles
Symptoms for replacement
Disabled nozzles
The reasons why the nozzles may not work, in fact, quite a lot. And below are described the most common symptoms:
- Difficult launch of the motor in any weather;
- The engine works unstable;
- Stall the engine at idle;
- High speed of rotation of the crankshaft at idle;
- Power loss ,;
- When pressed for gas, shocks or failures may appear;
- High gasoline consumption;
In case of contamination or failure breakdown, it should be replaced or cleaned. It makes no sense to repair it. It should also be noted that to date, nozzles cannot serve even 100 thousand km.
Clean the nozzles with your own hands using a carburetor cleaning fluid
Checking old injectors
Checking nozzles on the stand
You can also check not all the nozzles immediately, but each separately. To do this, you will need to give a current to the part and install a combustible container to it. During the flow of current, the valve will work, and gasoline will have to be sprinkled through the sprayer. But this test is inaccurate and it will be necessary to check on the stand anyway.
Selection of nozzles
Read more about choosing nozzles. Look in the material: ""
On the VAZ-2114 model, different nozzles can be installed, from different manufacturers. Depending on this, durability and their cost is also different.
Also the selection of nozzles depends on the working volume and number of valves. For 16 valve engines The performance of such details will be different than for. If the details are chosen incorrectly, then, most likely, gasoline consumption will be higher or the car will lose power.
If we talk about choosing, then preference should be given to brand BOSCH by number 0280158502. This serial number is suitable for.
Bosh nozzles catalogue number 0280158502
Nozzles fail not only because of its quality, to a greater degree of their performance affects fuel in which there are many dirt or large fractions.
Cleaning nozzles at stations maintenance It will be no cheap. Therefore, if the check and cleaning is not done with your own hands, then you should think, it can be easier to buy new details and make them a replacement.
