Now, my questions are:
PS: I don't see any point in uploading pictures and stuff - images are often lost from the forum.
Edited 1 time. Last time 08/16/2017 20:29 Answerser.
History of front wheel drive 4 mortars AXOD / AXOD-E / AX4S reminds of the history of rear wheel drive AOD / AOD-E.
It began in 1986, when the Crown Victoria with a 4.6 liter engine was already thundering and Ford decided to release a new bestseller for lower class cars - Ford Taurus with an optimal 3.0 liter engine. The automatic transmission for him was also supposed to be ideal, no worse than that of Crown Victoria.
AXOD was installed on the Ford Taurus until 1990, when it was replaced by an electronic modification AXOD-E , where the letter E- stands for throne control of gear shifting instead of a mechanical-hydraulic modulator. To the previously existing torque converter lock-up solenoid (a novelty in the world of automatic machines), a linear pressure solenoid and electronic sensors, sensors that collect information for the control unit and the driver, have appeared.
In AXOD, the Forward clutch package was reinforced, which turned out to be heavier than the others and required repairs too quickly. But numerous problems of AXOD forced this progressive machine to be further refined, and in 1994 the following modification appeared - AX4N. And then, following her - AX4S. In 1998 AX4S modified again, changing some consumables, valve body and adjusting the clutches to a new oil: Merkon-5. Until 98, these machines worked on the Merkon-4.
Since 2004, this long-suffering family of boxes of the long-suffering Taurus has been abandoned in favor of the 6-speed problem-free Aisin AF-21 (TF-81SC)
This family of automatic transmissions did not cause stormy enthusiasm among the transmission experts. The gearbox had many problems with switching 1-2 speeds (on the left - a structurally weak point), required frequent oil changes and had a rather short resource before and after overhaul.
It is believed that the design solutions for the Torque Converter are not entirely successful here. All the innovations that were designed to make driving more comfortable and economical, led to the fact that the box began to work in much more extreme conditions in terms of oil temperature, its contamination and the chemical composition of the oil suspension.
In more detail - in the description of the problems of the latest generation of these boxes - AX4N.
When overhauling AXOD / AXODE / AX4S, order Repair Kit for gaskets and seals 242002. Usually - Precision (AXODE on the right, AXOD on the left).
Less often - the entire set of clutches - 242003. Usually the original from Borg Warner.
For a complete bulkhead of the burned-out AXODE / AX4S (1991-2000) order Masterkit - 242007. Always change the filter and brake band at the bulkhead.
Filters 242010 for all modifications of AXOD / AXODE / AX4S were produced the same, changing only the length of the tube and the color of the seal from orange to green.
And on the model SHO the filter intake with an orange seal was slightly lengthened.
Disposable fine filter with double felt membrane.
Older cars (and those that come for repair with burnt oil) require replacement of O.D. brake bands. 242020 and Rear (for older models) 242026.
Less often they order the entire set of bushings - 242030.
and Forward - 242964. Less often, the rest of the pistons are changed separately - Intermediate 242962 and 242963.
And 242965 (Direct) 242967 (Low / Inter).
Washers-washers develop their resource from age and overheating, change with a set - 242200.
Together with them, the Main pressure solenoid EPC - 242431 is also changed.
Less often - planetary gears 242583 (242582 and 242584) and Drum 242620 change.
Change the shaft - due to problems with blocking the torque converter or lack of traction (see manual) - 242671.
Mostly consumables of the most strenuous packages burn Direct (242106) and Forward (242108 -Large).
But in the case of burnt oil during overhaul, a complete set of clutches is ordered - No. 242003.
The rotary-type pump, with sliding blades in the grooves, is a prototype of the one that somewhat spoiled the image of the BMW X5. Dislikes dirty oil and overspeed, can be repaired using pump repair kits no. 242531.
It is recommended to solve the problems of the age machine by installing an additional cooling radiator and an annual oil change with a filter.
You can read more about the features of this automatic transmission family on the page AX4N ... The manual can be found on the right -
You can check the cost and availability of items in the online store by clicking the number on an orange background to search for details.
On which cars this automatic transmission family was installed:
Repair of any automatic transmission from 1 day
CVTs, DSG, torque converters, new and remanufactured automatic transmissions, spare parts
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AGGREGATKA is a federal network of technical centers, the main specialization of which is the repair and maintenance of automatic transmissions of all types, including robotic transmissions with double clutch, CVT transmissions and classic hydromechanical automatic transmissions
AGGREGATKA is a federal network of technical centers, the main specialization of which is the repair and maintenance of automatic transmissions of all types, including robotic transmissions with double clutch, CVT transmissions and classic hydromechanical automatic transmissions
An automatic transmission is an expensive component. There is no point in delaying the repair if it starts to work incorrectly. In a car service, such repairs are expensive. You have to pay for the work of specialists and for the details. Having studied the market and the price range of services in this segment, motorists come to the conclusion that repairing automatic transmissions with their own hands is not such a pointless undertaking. The prices of the workshop masters cannot be called modest, and the professionalism does not always correspond to the price. And, after some thought, motorists can decide to fix the problem on their own.
Wherever you decide to repair the gearbox, the whole process goes according to the following scheme:
diagnostics,
dismantling the box,
disassembly of the box,
complete set with spare parts,
assembly (installation),
installation on a car,
diagnostics after repair.
To fix the problem yourself, you will need some car mechanic skills, tools, time to work, patience, and perseverance.
All automatic transmissions are arranged the same, but there are two types of transmission control - hydraulic and electronic. Their renovation has some differences.
It is important to notice transmission problems at the earliest possible stage. Then, with the correct diagnosis, complex repairs can be avoided. Quiet and smooth operation of the automatic transmission is considered normal. There are a lot of signs that something is wrong with the box. Most often these are extraneous sounds when changing gears or during robotic transmission. It can be crunching, clicks. An unpleasant smell also speaks of problems. It can appear during long-term or short-term operation of the box. It is worse if the gear shifting slows down, or one of them does not work at all. Then immediate intervention is required.
Do not be lazy to look under the car, it should be clean there. Red spots will indicate an oil leak from the transmission. Checking the oil level regularly is a must. Normally, it should be translucent, reddish in color. No burning smells or muddy shades! If they appear, it's time to change the oil.
Automatic transmission malfunctions often arise due to improper operation. The transmission becomes unusable due to insufficient oil level or overheating. For this reason, the gears wear out, the machine can jerk when changing gears. As a result, any part of the automatic transmission may fail. Shocks when driving indicate overheating of the oil and the appearance of problems in the valve body.
Aggressive driving with hard acceleration and braking will erase details. Does not add durability to the box and driving in traffic jams, slipping. All this leads to overheating of the box and has a bad effect on its general condition.
All faults are divided into two subgroups. They can occur in
electronic control system,
mechanical and hydraulic parts of the gearbox.
If a malfunction occurs, the automatic transmission goes into emergency mode, that is, it goes into third speed and does not switch. The corresponding icon appears on the display.
If problems arise with the electronics, then it will not be possible to fix them by repairing the automatic transmission. Therefore, it is important to understand the nature of the faults.
In diagnostics, the main thing is to collect the necessary information and interpret it correctly. Therefore, it is better to consult a specialist. Determine what the problem is at the service station, and take care of the repair yourself. Without proper experience and equipment, you will spend a lot of time on diagnostics. There are mechanical and computer diagnostics.
General scheme of diagnostic procedures:
check the oil,
check the operation of the engine at idle speed, the connection points of the wiring and cables,
determine the error codes of the operation of the control units (CU) of the gearbox and engine,
check the box on a car without movement,
check the automatic transmission in motion,
check the pressure inside the control system.
If the cause of the malfunctions is electronics problems, then most likely you will not need to dismantle and disassemble the automatic transmission. Diagnostics of malfunctions in this system is carried out by the control unit. It monitors the sensor signals, the transmission ratio and the resistance of the output circuits. Malfunctions of such parts and assemblies may occur:
input sensors,
electronic control unit,
executive devices of the control system,
violation of the integrity of the electrical wiring connections.
The transmission computer receives signals from various sensors. If some parameters are out of order, it writes the code of this problem (DTC) into memory. You can decrypt such numbers using a special scanner.
These are the main problems of the automatic transmission itself. They are conventionally divided into three subgroups:
Damage to friction groups, bushings and housings, calipers, planetary gear sets, pump and other mechanics.
Defective transformer. This includes:
breaks in the splines of the wires,
mechanical destruction of the blades,
overrunning clutch,
wear of the main blocking clutch,
depressurization of the piston oil seal.
Problems with the mechanics of the hydraulic plate.
If the diagnostics were successful and you cannot do without dismantling, then we proceed to this stage of the automatic transmission repair.
You will need a special lift, or at least a viewing hole. As well as a transmission jack and a set of keys. It is better to perform this procedure in a specially equipped garage or box. It will not be superfluous to invite several physically strong guys to help you move the removed box. Its weight is beyond the strength of even a very strong person. Further action plan:
disconnect all communication tubes and cables;
unscrew the torque converter mounting bolts, as well as the motor flywheel membranes;
remove and move the gearbox;
assess the scale of the breakdown and start repairing.
Before removing the gearbox, the oil does not need to be drained from it. However, then do not forget to substitute the container at the place where the oil supply pipes are attached when you disconnect them - otherwise you will get an ugly puddle under your feet.
All actions must be careful. Sudden movements can damage the splines on the input shaft of the diaphragm.
It is better to do automatic transmission repair with your own hands, having it at hand proprietary manual and a printed diagram of the gearbox. First you need to inspect all the systems that serve the gearbox, mounts and blocks. Then we proceed to the repair. For this:
We disassemble the gearbox, wash and dry the parts and check them for defects.
We change all gaskets, seals, as well as worn out parts.
Remove the inhibitor block and sump. We clean out the dirt inside. It looks like metal magnetic shavings.
We remove the wiring of the ring from the plug and push them inside the plug.
Remove the valve body, loosen the brake band bolts. We wash the valve body.
We check the clutches, gears and planetary gears for wear. We will replace it if there is such a need. All internal rubber bands must be changed!
We open the oil pump. We check all the details, especially the filter. We change what has already served its term. We use the manual so as not to swap parts.
We take out the valves and springs. We wash the valves. Their sticking can be the reason for incorrect operation of the automatic transmission. Replace the accumulator springs if they are broken.
Putting everything back into place. It is important not to confuse anything!
We replace rings and friction bolts.
We check the gear shift assembly and the large piston and put the oil pump in place.
Assembly takes place upside-down.
There are some points that it is advisable to take into account when repairing. Often a transmission problem is related to the filter. It will not be possible to change it without removing the valve body. And when it is removed, the gasket breaks. To replace it, you will need to disassemble the valve body completely. The same applies to the accumulator spring from first to second gear. A special stopper does not allow you to remove it without disassembling the valve body. All valve body gaskets are very similar, do not mix them up. Assembling the valve body, we tighten it with a torque wrench. It is important not to overtighten here.
If all the breakdowns are eliminated, we install the automatic transmission. The moment is responsible, haste is inappropriate here. During these works, the following recommendations should be adhered to:
When installing the automatic transmission in its place, the diaphragm is checked for end runout using an indicator head. If such a defect occurs, then it must be replaced.
The radiator is flushed until the gasoline is clean. Then a liter of transmission oil is poured into the gas turbine engine and put on the input shaft. You need to achieve a secure connection and a complete fit. Then you need to dock the engine with the box along the guide centering pins. The crankcases must abut completely.
Tightening the bolts in the box is the next step. After that, the absence of gaps along the entire plane is checked. After connecting all the highways, the correctness of the connections is checked.
At the final stage, oil is poured and the operation of the automatic transmission is checked at low engine speeds.
Beginning the installation of the box, be sure to check for the presence of centering pins on the crankcase flange - there should be two of them. If at least one is missing, the automatic transmission cannot be attached.
Automatic transmission repair and diagnostics do it yourself - not an easy but feasible task. Choosing a car with an automatic transmission, novice motorists believe that repairing it at home is impossible. This is not true. But before deciding to carry out such important work at home, you need to weigh all your possibilities. Then you will not be in for unpleasant surprises during the renovation.
VIDEO
By the way, as Tsefirovody wrote, there are adjusting screws on two solenoids, this can be seen in the photo.
The cogs, that is, but adjusting something will not work, they are very stuck, like double punching
And to remove the valve body, it is enough to actually unscrew 14 bolts, 2 on the filter, and almost in a circle 12, since the filter, with the main number of bolts, is screwed only to the valve body, but there is an option to pour oil on it, since after removing the filter, from the unit another 300 grams of oil is poured out
Yeah. I myself only did the parking sensors on the car.
Sometimes you want to take some special Zhiguli purely for fiddling with them in the country.
I've also picked up a bit.
well, whoever throws it out like that .. no newspapers?
I'm afraid to disassemble the mechanic, for some reason it seems to me that the automatic transmission is easier to disassemble / assemble. did not do the mechanics.
In fact, it is not more complicated than an in-line one. Just an unusual layout.
The mechanics are stupidly a set of gears, there is nothing complicated there
I read it as a hedgehog (the suba's engine is called that way) and therefore wrote it right)
Respect for non-rukozhopost, but, in my opinion, such posts are more appropriate to do at autoforums. Subarovody (I am among them) will only say thank you. By the way, I can tell you how to increase the rear-wheel drive preload without reducing the clearance in the clutch pack in the shank. the transition to the blocking mode in general you will not notice on the slippery surface. The box is as I understand it TZ1, not TV.
and I can also post a report about the forced locking of the rear drive. driving sideways will become more comfortable and the load on the shank clutch pack will be reduced.
Oh, Eugene! I almost immediately recognized you by the way of expressing thoughts)
but I'm not writing to you) follow the commentary thread
I know how to do it =) I was looking for a TV tail before rebuild and did not find it. plans to make a toggle switch for C salenoid and put a gearbox with lsd and new drives (old drives were demolished for sale)
the toggle switch is okay, if you need the wire number in the block, I'll tell you how to check so as not to confuse it, I think you know. do you want to increase the preload? you just need to change the oil supply to the solenoid C - it is adjusted with a hexagon. The gearbox is not necessarily LSD-shny, it will not give a complete blockage. Shore track taxis, although I myself drive LSD-shnom. but lsd lsd are also different. look with a clutch in place of the stetelite, and not in the driven gear. they have a harder preload.
I don’t know that. Throw a reference to the source or explain. But even there is no desire to shoot the tail again at all)
well, a kick in the ass is a very common phenomenon and quickly arises, especially among fans of active driving)))) everything is simple there, you insert the hexagon into the hole (I won't tell you the number, you can pick it up empirically, I also picked it up), turn on the ignition, put the automatic transmission switch in position D. the solenoid starts to buzz (voltage is applied to it), turn the hexagon clockwise until the buzzing stops (full blocking mode) and return it a little counterclockwise. I rolled back about 5 degrees. I also recommend checking the voltage on the DPDZ, it should be in the range of 0.46-0.52 V (I experimented up to 0.55, from experience it is better to set 0.48, it's hard to catch, so if you just get into the range, it's already good) ... The brains, by its position, determine the voltage supply to the solenoid C.
I have no hex. Or twist it for 2 small holes?
Here it is necessary to pick out the eno carefully, I also had a hard time getting in. There is an inside nest. You will feel when it engages.
However, I do not have a 6-sided there. Tomorrow I'll take a look at the old braggart. About dpdz everything costs according to manual 0.48.
There is a question about the box, the oil pumps of the TZ103 and TZ1A3 boxes are very different and where you can find information on the boxes on the Subari, otherwise the car does not move, I sin on the oil pump
By the way, as Tsefirovody wrote, there are adjusting screws on two solenoids, this can be seen in the photo.
The cogs, that is, but adjusting something will not work, they are very stuck, like double punching
And to remove the valve body, it is enough to actually unscrew 14 bolts, 2 on the filter, and almost in a circle 12, since the filter, with the main number of bolts, is screwed only to the valve body, but there is an option to pour oil on it, since after removing the filter, from the unit another 300 grams of oil is poured out
AXOD, AXOD-E, AX4S is a four-stroke automatic transmission designed for installation on Ford and Mazda cars, as well as on Crown Victoria and Ford Taurus cars. For the first time on the market, this transmission model appeared in 1986 and was popular among car owners.
The automatic transmissions AXOD, AXOD-E, AX4S have undergone several modernizations, as a result of which the function of the hydraulic modulator began to be performed by solenoids with electronic control of work, which are responsible for blocking the operation of the hydrotransforming system. Thanks to these changes, the transmission has become reliable and durable. Also, the optimization of the transmission oils was carried out, which made it possible to achieve an increase in the dynamics of the power unit. First of all, this automatic transmission model was developed for installation on machines that are equipped with six- and eight-cylinder power units. Before overhaul, the transmission runs 200 thousand km. The oil and filter must be changed once every 100 km. If you have experience, you can carry out work on the maintenance of the vehicle, in particular the transmission, on your own, due to the simple design of the unit.
Automatic transmissions AXOD, AXOD-E, AX4S, subject to the rules of technical operation, rarely fail. Among the typical malfunctions, one can single out premature wear of solenoids and consumables. In most cases, this occurs due to untimely replacement or filling of oil that is not suitable in composition and quality. In this situation, the transmission fluid, filter and solenoids are replaced. Despite the simplicity of the operation, it is better to entrust its implementation to the specialists of the service center, who will perform this work as soon as possible.
Video (click to play).
A complete replacement of the automatic transmission is carried out with severe wear and the impossibility of restoring the unit, as well as in cases where the price of repair and a new box is equal. The service center "AKPP Guru" offers to purchase a new or remanufactured (contract) transmission of this modification. On condition of joint cooperation, we are ready to offer: reasonable prices, assistance in choosing a transmission, a guarantee for operation. You can order an automatic transmission by phone or via an online application.
