In detail: solenoid block a604 do-it-yourself repair from a real master for the site my.housecope.com.
The site provides information on automatic transmissions
Schemes of automatic transmission, variators. The principles of operation of the units.
Repair, disassembly and assembly of automatic transmission.
Chrysler, dodge. 4-speed automatic transmission.
Not a very reliable box, weak points are the torque converter and the block of solenoids 440.
I would make this picture last, because first the stopper 429 is removed. The caliper 909 is removed and then everything else.
To remove the planetarium 40, it is necessary to unscrew the bolt 7845.
Block of solenoids of a new sample.
Solenoid block gaskets of the old sample.
What changes without fail when repairing this automatic transmission:
What often breaks down in these automatic transmissions:
Chrysler introduced four-speed automatic transmissions in 1989. A604. This transmission modification was designed for use on front-wheel drive vehicles with an engine capacity of 2 to 4 liters.
The A604 automatic transmission was installed in the Chrysler Voyager and Dodge Caravan. It was on these two vehicles that the A604 transmission was most widely used. Actually Automatic transmission A604 became the first American automatic transmission to receive fully automatic hydraulic control. Thanks to the presence of computer control, the gearbox could adapt to the driving style of the car owner. The computer brain monitored the correct operation of all transmission units, which made it possible to ensure the most comfortable and economical ride in a car equipped with an automatic transmission.
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Video (click to play). |
A valve body with fully electronic solenoids was responsible for lubricating the moving elements of the transmission. The automatic system determined the oil pressure of the network and its temperature. Also, automation coordinated the degree of opening of the solenoids and the speed of the car. This ensured the effectiveness of lubrication and high-quality cooling of the gearbox.
Due to its relatively simple design, the A604 automatic transmission turned out to be quite reliable and durable. The need for a major overhaul arises with a run of more than 400,000 kilometers. In some cases, there are problems in the operation of the electronic control system, which forces the replacement of the central unit and power cables. The valve body turned out to be quite reliable, and only when using not very high-quality oil for a run of 300 - 400 thousand kilometers does it become necessary to clean it. Solenoids are changed as a set at a run of 200,000 kilometers. You can determine the presence of problems with the valve body by characteristic shocks when shifting gears. We also recommend regularly inspecting the automatic transmission for oil leaks. In the event that there are large smudges, they must be eliminated by replacing leaky gaskets.
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Group: Users
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Real name: mukushla
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As part of the overhaul of the box, I will describe the process of sorting the block of solenoids. I think photos will be helpful.
So. He sent his wife and child to their parents so that they would not breathe the aroma of ATF oil. I turned on the pleasant radio, settled down in a comfortable position and took the block. On the street -10 with the wind, despite the date on the calendar, so the process takes place at home.
The cover is unscrewed with a T25 key. Under the hood we see such a picture
Back side view. We have 4 o-rings. And 3 "not knowing the name"
Don't lose 3 springs. Removed this plastic cover slightly prying with a screwdriver. Constituent elements
Block with lid removed. As you can see in the photo, there are illegal formations of mud gangs. The bulkhead was not in vain.
Valves can be removed by hand, but sit tight. I removed it with a screwdriver. Valve condition and installation procedure. I don't know what yellow is. Condensate.
The block was cleaned of dirt with a rag, wiped with cotton swabs in hard-to-reach places.
That's all. The assembly process is the reverse of assembly. Maybe I did something wrong somewhere, please correct me. I think it’s better to wash the block with gasoline or diesel fuel, I didn’t have it at hand. Now I'm waiting for a repair kit. Are there rubber o-rings on the valves?
Chrysler 4-speed automatic transmission A604 , under the brand name of the project "UltraDrive" (40TE / 41TE) was developed in 1989 for front-wheel drive cars Chrysler (hit - Chrysler Voyager) and Dodge (Dodge Caravan) with an engine from 2 to 4 liters.
The mechanical design is based on the successful 3-stage family A404 - A413
The A604 is one of the first automatic transmissions to have an electronic computer introduced into its design, which took over all automatic hydraulic control, adapting to the driver’s style, optimizing the operation of all automatic transmission components, including the gas turbine engine. For Russia A604 is unique in that it was GAZ that chose it as the first and only Volga “Siber” assault rifle.
The first modification was carried out after 2 years of running-in in 1990, when the burn-out Overdrive package was significantly strengthened, then the piston group of the Underdrive package was worked out for several years in a row, in 1998 the Reverse package was strengthened, followed by the oil pump (272500). The valve body was modified several times - in 1996 and 1998.
In 2003, the A604 was further modified and renamed to 40TE (Light, for engines up to 2.4L) and reinforced and most popular - 41TE (up to 3.8 L). The design has remained almost the same. Rare modifications of this box for all-wheel drive (AWD) are named 41AE.
Only in 2007, for new models, they found funds to slightly modernize the valve body and the modification began to be called 41TES. The most popular automatic transmission repair Chrysler and the most successful in our market from the whole house Chrysler .
For scheduled overhauls, the order usually includes: Filter, Repair kit for gaskets and seals, clutch kit. Pick up repair kits - press the button on the left.
Different for A604 up to 2003 and for 40TE/41TE modifications after 2004.
Also included in a typical overhaul order is a universal clutch kit - 272003. Suitable for both A604 and A606 families.
The oil for this unpretentious box is of the Dexron III - VI type. More about oil.
Replacement requires 8 liters or more, depending on engine power and cooling system. The oil level is checked on the dipstick when hot. The transparency of the oil determines the need to change the oil and filter, which may be required after 20 tkm and after 60 tkm. If the oil becomes contaminated after 10 tkm of run, then the pan is removed for further diagnostics and the torque converter is handed over for repair - 272001.
The new one has a longer resource (since 1999 - left) – Solenoid block No. 272420A, which, however, after the exhaustion of its resource (approx. 120-150 tkm) also requires repair or restoration. Solenoid block 2nd generation - 272420A-BW universal, suitable for the previous version, but with its own gasket.
Craftsmen repair blocks using Sonnax Solenoid Block Repair Kit - #272424. In new modifications, Chrysler has significantly updated the filling of this block.
Typical hardware problems Automatic transmission A604:
– Planetary gear set Front, (Front Planet 272582 )
– Sun Gear Rear , (SunGear Rear 272614 ) Gear spline wear.
– 2-4 clutch hub with sun gear, (2-4 Hub w/Sun Gear) A604/A606/41TE/42LE (hub diameter 29.5 mm) #272578 .
They fail if they skid for a long time in the mud. And to slip not on duty, but for a long time. It is important. 🙂
- No less often you have to change the entire set of bearings - 272201.
– Retaining ring kit – 272860 .
First of all, the O.D. package burns: No. 272100, with it - steel disks 272120. And then the rubberized piston Overdrive 272960 also burns, especially often in winter. The problem is associated with the block of solenoids and operation on cold oil.
A typical repair for an older A604 is to change the entire Bushing Kit 272030. This is when the vibrations ate the bushings and the loss of oil through them causes oil starvation.
- replacement of shaft speed sensors - No. 272436 (output) and 272438 (input)
- Switch selector position sensor 272410.
– various problems with differential bearings ( 272717 ),
– Rubberized piston, Retainer Piston, Underdrive Clutch ( 272960 ) most often changes with
– Drum, Drum Input Retainer Clutch ( 272554А ).
These transmissions run for a long time and reliably, subject to an annual (or every 30 tkm) oil change and control over its level and quality. If the oil becomes contaminated too quickly, it is worth listening to the operation of the torque converter and not being late with its repair.
OBD-II Trouble Codes Chrysler. The cost and availability of the items you need can be checked in the online store by clicking on the number on the orange background.
On which cars this family of automatic transmissions was installed:
Quite often, motorists have a question about how to check, replace and repair automatic transmission solenoids. This is due to the fairly frequent failure. Also quite often they just fail. This is known to every car owner who has a car with such a gearbox. Having the skills of such work, you can significantly save on machine maintenance. Indeed, almost all car services carry out automatic transmission repair work for solid money, even in cases where the process takes a short time and does not require special skills. Knowing the features of checking and repairing this system, you can do everything yourself, without resorting to the services of a car service.
It is necessary to think about checking and possible repair of solenoids when the following signs appear:
- Shocks and blows to the box while moving;
- When the automatic transmission malfunction light comes on;
- Gear shifting with jerks.
In any of these cases, it is imperative to check the operation of the valve body.
You need to start checking with computer diagnostics. If you see an error indicating a breakdown of the solenoids, then you can work with them further. For a more accurate diagnosis, we remove the part from the machine. To do this, the resistance is first checked on the removed solenoid. Depending on the model, the indicator can range from 10 to 25 ohms.More accurate figures can be found in the technical documents for your car.
Also be sure to check for jamming. To do this, a voltage of 12 V is applied to the valve contacts. The working solenoid, when connected, makes a soft click. If there are no sounds, then the problem is clogging the part. There is a way to test with compressed air. To do this, the solenoid is purged with air. A part that is normally closed when energized must allow air to flow, normally open on the contrary.
Installing new solenoids will not cause you any difficulties. The main thing is to do everything very carefully when working. Before replacing, determine your type of automatic transmission, according to these data, select the appropriate type of solenoid.
The replacement itself requires a minimum amount of work. The valve body is unscrewed from the box, after which it is necessary to wring it out of the clamps using a mount. The solenoids are removed from the block, and disconnected from the power supply. Next, new elements are installed and connected. The valve body is installed in its place; for this, be sure to use a new gasket. This will help prevent grease leaks.
Changing the solenoid block for the 41TE transmission (Chrysler)
Chrysler began using a new solenoid block in 41TE transmissions. Outwardly, it differs significantly from previous models (Fig. 1a and 1b) so that it will be difficult to confuse it with models of an earlier release.
Chrysler began producing the new block from mid-1999. The new solenoid block fits all previous models up to 1989. The design changes include improving and simplifying the layout inside the case, which allows for less noisy operation of the solenoids. A special plastic plate is installed, which is a sound-absorbing shield, the role of which was previously played by the cover of the solenoids block. Therefore, the need to use this cover has disappeared, and it is no longer installed.
The outer cover of the new model of the solenoid housing also has a warning (Fig. 2) warning of adjustment errors caused by disassembly of the solenoid housing. However, the new body of the solenoid block is more resistant to changes in adjustments when it is opened.
The biggest change in the solenoid block is the simplification of the design of all solenoids. Previously, the solenoid coil, tappets, balls and valve seats were assembled and adjusted at the final stage of assembly of the solenoid block body. The new design integrates all of these elements, which significantly reduces the chance of solenoid failure caused by improper assembly of the solenoid box housing or incorrect adjustment (Fig. 4).
If it is necessary to dismantle a new solenoid block due to contamination, pay attention to the following points:
1. When separating the part of the block of solenoids in which the solenoids themselves are installed, it is very easy to damage the pins of the connectors for installing the solenoids, which are located in the plastic part of the case (Fig. 5). In previous models, when disassembling the case, the solenoids remained in the plastic part of the case, and each solenoid could be removed from it separately (Fig. 6). In the new design, the solenoids remain in the aluminum part of the housing (Fig. 7), so it is necessary to simultaneously disconnect all the connectors of the solenoids in the plastic part of the housing.
In order to separate the halves of the case, you should shake the plastic case up and down, so that these halves can be separated by hand (Fig. 8). Never use any tools for this. If one of the contact leads showed too much resistance, then use a pointed object to slightly bend it (Fig. 9). Do not bend the contact lead too much! Otherwise there will be poor contact with the solenoid.
2. When installing the solenoids in the aluminum case, make sure that the solenoids are oriented as shown in Figure 10. If the solenoids are reversed 180°, the contacts will not make proper contact with the pins in the plastic case and will break.The pressure sensors located closest to you in the figure should be installed as shown in figure 10.
3. When connecting the two parts of the body of the solenoid block, it is better to use silicone sealant rather than a rubber gasket (fig. 11a and 11b). When using sealant, make sure the bead of sealant fills the entire groove and rises slightly above the parting plane.
When installing a new solenoid box in older vehicles, it is not necessary to use the plastic solenoid box cover, which is designed to reduce noise. The mounting bolts for the new solenoid assembly should be 3mm longer. This is due to the fact that a plastic gasket appeared in the case. The tightening torque of these bolts has not changed.
Since the plastic cover of the solenoid block is no longer used and there is only one gasket between the body of the solenoid block and the gearbox housing, the design of this gasket has been changed (Fig. 12).
The new plastic gasket is not interchangeable with the old one. A gasket mismatch with this solenoid block modification will result in severe leaks and low pressure in the friction control boosters (figs. 13a and 13b).
When installing a new solenoid block on 1998 and earlier models, the pins must be reinstalled to center the solenoid block on the transmission case. All three of the dowel pins on the new solenoid assembly should protrude 6mm from the bottom of the case (fig. 14).
In conclusion, the following should be noted.
The new solenoid block provides better gear shifting, so it can be recommended when repairing automatic transmissions to replace old solenoid blocks with new ones. They are less noisy and more reliable in operation. The Chrysler part number for the new solenoid assembly is 5015646AB.
CHRYSLER 300M, Cirrus, Concorde, Grand Voyager, LHS, PT Cruiser, Pacifica, Sebring, Cirrus Coupe, Neon, Stratus, Town & Country, Voyager, Intrepid, 300M (CHRYSLER Cyrus, Concorde, Grand Voyager, LHS, PT Cruiser, Pacifica, Sebring, Cyrus Coupe, Voyager)
DODGE Caravan, Grand Caravan, Intrepid, Neon, Stratus (DOJ Caravan, Grand Caravan, Intrepid, Neon, Stratus)
PLYMOUTH Acclaim, Breeze, Caravella, Grand Voyager, Neon, Voyager (PLYMOUTH Aklime, Breeze, Caravel, Grand Voyager, Neon, Voyager)
All of the above vehicles were equipped with two types of automatic transmission 31TH (A670), 41TE (A604) and its variant for a longitudinally mounted engine with front-wheel drive 42LE (A606) and 42RLE with rear-wheel drive or four-wheel drive:
1. Repair of automatic transmission Chrysler type 31TN
Three-speed automatic transmission with hydraulic control and one solenoid, including the torque converter lockup. One of the most inexpensive Chrysler automatic transmissions to maintain and repair. Produced until 2001 inclusive.
The smaller (lighter) the car, the longer the automatic transmission resource (true for all automatic transmissions): on the Dodge Neon, the runs before the first repair are sometimes up to 300 thousand km, the minivan family asks for repairs with an average mileage of 100-150 thousand km.
This gearbox does not have pronounced “sores”, almost all automatic transmission components break down and wear out. Especially 31TH (as well as 41TE) does not like slipping in snow or mud, since the differential lubrication system is not designed for this. In winter, they often turn to a car service because of the damaged case of this automatic transmission. The cause of damage to the body is as follows: with active slippage, thermal sticking of the differential pin to the satellite occurs; breaks the cotter pin that secures the pin in the differential case. Under the influence of centrifugal forces, the finger, when moving, leaves the differential housing and breaks through the automatic transmission housing. If you're lucky and your finger hasn't fallen out of the diff case, it will just cut through it. The chips get into the oil, damage the rubber seals, then the clutches burn out.
The second of the problems of this box is damage to the torque converter. Damper springs break, fragments damage turbine and pump blades, some of them with oil enter the pump and clog the oil lubrication channels.Also, the torque converter lock-up clutch often wears out or falls off.
Often, over time, the splines of the clutches of the FORWARD package are cut off. Initial symptoms - the car twitches when starting to move. In the end, the automatic transmission stops loading on the Driver and moving forward.
If only the reverse gear is missing, then most likely there is a problem with the brake band (Reverse band) or the piston is defective Servo. In any case, a complete repair of the automatic transmission is required.
the planetary gearbox (consisting of 2 planetaries and the 1st sun gear) is rather weak for this automatic transmission and with a run of 100 tons or more begins to crumble and eventually completely falls apart, jamming the automatic transmission.
2. Automatic transmission type 41TE (A604)
Four-speed automatic transmission with electronic control. It is still produced today with minor variations.
Automatic transmission 41TE - the box is quite unique and advanced. It does not have a single brake band, not a single one-way clutch (overrunning clutch - Overrun clutch). Only two planetary gears and 5 clutch packs. The solenoid valves are grouped in a single block located outside the transmission. Due to this, the hydroblock is simple and reliable.
The old box name is A604, the new one is 41TE. This is a 4-speed automatic transmission for front-wheel drive Chrysler, Dodge, Plymouth and some Mitsibishi models. It has been produced since 1989, originally equipped with a transverse Chrysler 3.3L engine. A604 was a powerful breakthrough in the field of control of automatic gear shifts in modern cars. It was the first to use adaptive control of the gearshift mode, that is, the automatic transmission computer is able to optimize the shift mode, depending on external conditions and the driving style of the car. The box turned out to be quite compact and versatile. Her variation 42LE (A606) used on cars with a longitudinal engine (Chrysler Concord, Eagle Vision, Dodge Intrepid, LHS, 300C) and 42RLE with rear wheel drive.
- five packs of friction clutches (Underdrive, Overdrive, Lowrevers, 2-4 clutch, Revers clutch);
- four hydraulic accumulators;
- two planetary gearboxes;
- hydraulic pump;
- valve body;
- block of solenoids (4pcs) assembled with pressure sensors (3pcs);
8000r (check availability) replacement 1500r
- built-in differential;
- 2x electromagnetic speed sensors.
The automatic transmission service life declared by the manufacturer is 300,000 km, in practice, breakdowns occur already at 70,000 km. Among the shortcomings noted are:
1. Wear of the spline connection and the axes of the satellites of the planetary gearbox Front Planet;
2. Spline wear Overdrive & Reverse Clutch Hub;
3. Release boxes after 2001 are equipped with torque converters with a modified design. Unfortunately, less reliable than the former ones;
The damper springs come out of standing, the locking clutch crumbles, which leads to a malfunction of the pump and bearings in the torque converter (screeching when the selector is turned to the position R or D, and also the chips clog the lubrication channel of the planetary gear set, which in turn leads to a FATAL failure of the automatic transmission. It rotates the bearing of the rear planetary gear set in the housing; with such a breakdown, the automatic transmission cannot be repaired. To prevent such a breakdown, it is recommended not to operate the automatic transmission with any transmission errors. especially with P0740 - there is a slipping of the torque converter lock, which means it has already flown off and at any moment can disable the automatic transmission.
4. The block of solenoids is installed outside the automatic transmission, which leads to frequent oil leaks from under the gasket or from the block itself. Also, the solenoids themselves and pressure sensors located in the same housing often fail. Automatic transmission goes into emergency mode (2nd gear).
5. As with 31TH, the differential pin sticks to the satellite with frequent and long slips of the 1st wheel, which leads to damage to the automatic transmission housing.
6. Approximately 10% of those who applied for repair rotate the bearing cage in the automatic transmission housing. The reason is the lubrication channel of the rear planetary gear bearing clogged with the torque converter blocking.With such a breakdown, the automatic transmission cannot be repaired.
7. Oil and filter change period 25,000 km - 50,000 km. Use ATF+4 oil recommended by the manufacturer;
8. They often turn to service stations with the problem of oil splashing through the automatic transmission dipstick or through the breather. The reasons are oil overflow above the level, a clogged breather, overheating of the automatic transmission, especially in summer in traffic jams or when driving with overload (trailer, 7 passengers, driving in the mountains). Clean the breather, do not pour oil above the level, install an additional radiator to cool the automatic transmission, clean the cells of the air conditioner radiator since the automatic transmission radiator is behind it and does not receive air cooling, ensure the main radiator cooling fans work properly.
With frequent transitions to emergency mode, the presence of error codes associated with automatic transmission malfunctions (P0700) you can read it yourself 3 times on / off the ignition key, the smell of burning oil, the color of the oil is black, noises, squeals from the automatic transmission, the presence of a large amount of chips in the automatic transmission pan when changing the oil - Load the car on a tow truck and take it to a competent Chrysler automatic transmission repair station. Towing on a rope, or even more so moving under its own power, can significantly increase the cost of repairs.
Repair of any automatic transmission from 1 day
CVTs, DSG, torque converters, new and remanufactured automatic transmissions, spare parts
Well, here it is clear what the conversation is about.
#1 Message Dimych » Mon Mar 31, 2008 7:42 am
#2 Message KOYT » Mon Mar 31, 2008 12:13 pm
#3 Message Dimych » Mon Mar 31, 2008 12:23 pm
#4 Message KOYT » Mon Mar 31, 2008 3:54 pm
#5 Message Dimych » Tue Apr 01, 2008 8:17 am
#6 Message KOYT » Tue Apr 01, 2008 11:41 am
#7 Message Dimych » Tue Apr 01, 2008 11:55 am
#8 Message KOYT » Tue Apr 01, 2008 5:56 pm
#9 Message bublik75 » Tue Apr 01, 2008 8:40 pm
#10 Message KOYT » Wed Apr 02, 2008 11:40 am
#11 Message VovaAmerica » Sun Apr 06, 2008 10:55 pm
#12 Message Dimych » Mon Apr 07, 2008 7:57 am
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The AGREGATKA company is a federal network of technical centers whose main specialization is the repair and maintenance of automatic transmissions of all types, including dual-clutch robotic transmissions, CVT transmissions and classic hydromechanical automatic transmissions
The AGREGATKA company is a federal network of technical centers whose main specialization is the repair and maintenance of automatic transmissions of all types, including dual-clutch robotic transmissions, CVT transmissions and classic hydromechanical automatic transmissions
alex114 Oct 07, 2014
alex114 Oct 07, 2014 petrovich_j Oct 08, 2014
petrovich_j Oct 08, 2014 alex114 Oct 09, 2014
Sorry for the link to another site, but there is a lot of information on automatic transmission https://my.housecope.com/wp-content/uploads/ext/64/
Thank you, there is my topic on that site))))
Once I had a Plymouth, also with a problematic box, thanks to Pavel I cured it.
alex114 Oct 11, 2014
petrovich_j Oct 11, 2014
alex114 Oct 12, 2014
alex114 Jan 13, 2015
first, the pressure in the ports is measured, on a running car .. then with a probability of 80%, you can determine where and why to climb ..
Here's where I can find out the purpose of these ports, in what mode in which port and what pressure should be.
specify the data on the car, year and engine .. I will throw the pressure parameters ..
alex114 Jan 15, 2015
specify the data on the car, year and engine .. I will throw the pressure parameters ..
Dodge Stratus 1996 2.4l.
To be honest, I got sick of this box (I don’t have money to buy another one) Before that, I sorted through my 31TN on Plymouth, then on Kii, everything was ok, but this pancake resists, at least burn nafig ((((
alex114 Jan 16, 2015
let's go in order, without nerves, what is happening with korobas now?
Thank you for your participation and understanding)))
Now the box has been removed, because after the bulkhead there was no pressure. I went over the pump with a new one, there is pressure from it, then I disassembled the stove and washed all the valves in the ultrasonic bath (good work allows) now I need to assemble and put it in place. I just did it already I didn’t see anything criminal more than once, so I’m almost sure that the result will be zero (((
Today, if I gather my courage, I will finish collecting it and stick it back.
alex114 Jan 16, 2015
How do you check the automatic transmission without a troubleshooting card and then?
I work at the service station myself, but as an electrician, so I removed the box, sorted it out, replaced everything that was criminal and assembled and installed it back.
For the first time, at first, the wheels didn’t spin anywhere (on the lift) after a couple of minutes when the Drive was turned on, the wheels spun forward, but on the Reverse they didn’t spin back. Then he called a friend for help, though an electrician-diagnostician. They took it off and took it apart with him, “On the knee”, they checked the pressure from the pump, yes, they assembled it again. We decided not to put it. drill, gave speed, and there is no pressure in the “torque converter off” port.
Maybe we didn’t understand the algorithm correctly, we could very well make a mistake, I even agree to catch “stones in the garden.” Also, I understand that it is necessary to check on the installed box, and not in such a “collective farm” method. That's why tomorrow I'll try to install it in place and check on the car.
P.S. Guys, thank you so much for your support and advice. and even for kicks, the main thing is that in the right direction))))
Don't worry, you can't avoid another withdrawal. ))) only already for troubleshooting ..)
if you haven't started assembling yet, check the trim at the very bottom of the box..
alex114 Jan 17, 2015
Don't worry, you can't avoid another withdrawal. ))) only already for troubleshooting ..)
if you haven't started assembling yet, check the trim at the very bottom of the box..
I'm not worried, I've calmed down a little already, time heals, even nerves)))) How does it look and how to check?
I have already learned almost all the names, but exactly as they sound in the manuals.
P / S / And I downloaded the manual, not even one, about a dozen, one even in clumsy Russian.
Let's continue the topic of reviews of all sorts of automotive things 🙂 Today I want to tell you about ordering a very extraordinary product - a solenoid block for an automatic transmission. We are all used to ordering various gadgets, toys or clothes online, and we almost forgot that eBay is a storehouse of rare and expensive (at least in our country) goods.
My brother owns an American car, a 2002 Dodge Intrepid. The car suits him with everything and he is not going to change it in the foreseeable future. Moreover, now there are no special problems with spare parts for the "Americans". True, if this does not apply to any specific part, for example, an element of an automatic transmission.
It just so happened that, despite all its reliability, automatic transmissions in cars began to die. At first, this manifested itself in a “slowed down” change of regimes, then in kicks. You can ride, but not comfortable. Therefore, the question arose about the repair. After a couple of diagnostics and based on my own experience, it was decided to change the block of solenoids. Of course, one could try using a repair kit, but no one can guarantee that such a repair will last for a long time. Therefore, we were puzzled by the search for a block. Having studied local offers, we came to the conclusion that no one will sell the unit separately from the automatic transmission. And if someone sells, then its cost will be around 90% of the cost of automatic transmission. And if the car is American, then where to look for such things, if not on eBay? As it turned out, this stuff is in bulk there, and at a price of $40-45 (excluding delivery).
After payment, the parcel was sent the next day, all information on its tracking is available here. It took her less than 2 weeks to get from the USA to Belarus (the last trackless trip from China took 3 months).
The seller must be commended. The parcel was well packed: a cardboard box, a roll of bubble wrap, a couple of newspapers. All this ensured the safety of the goods during shipment. True, by and large, there is nothing special to break there 🙂
The block of solenoids was used, but restored by the factory method. This is indicated in the ad, the same can be seen in the appearance of the product: 
But it should be noted that the block looks very decent. Everything is cleaned, washed, nothing sticks out anywhere, does not hang out, all screws are clamped, all gaskets and springs are in place. I admit honestly, in our showdowns and markets they sell spare parts that look much less presentable, but they ask for new ones.
I think a small digression on the topic of what a solenoid block is and why it is needed will not hurt here: “The solenoid block is used to control an automatic transmission by means of solenoid valves (solenoids) assembled in one common block. Modern solenoids work in such a way that they are able to control the bandwidth of the channel within a fraction of a second, thereby allowing the clutches to move and change the transmission characteristics of the automatic transmission. Thus, the solenoids are responsible for shifting gears, blocking the torque converter (donut) and adjusting the pressure in the automatic transmission hydraulic control system.
The block is original, has the designation 4539749. Next to the code there is an old Chrysler badge of the 2008 model, that is, it is logical to assume that it was released later than the car in which it will be installed. 
Another number (though the last 2 digits are different):
As I said, the block looks very good. The oil channels are perfectly clean, the gasket is elastic, and not made of creeping rubber, as is often the case in products “floating” in oil.
On one of the sides there was a label, which, most likely, was left by the seller:
Whether this is his autograph or initials is not clear. But taking into account the fact that the ad contains a lifetime warranty, it was made in order not to bring another unit to replace the purchased one.
Inspection of the insides showed that everything is fine there. All springs and rubber bands are in place, everything is clean and tidy. It is impossible to check the solenoids themselves before installing the unit in an automatic transmission in garage conditions, so it remained to rely only on the honesty of the seller.
The solenoid block is installed inside the automatic transmission. In order to get to it, you need to remove the pan and hydraulic plate. The lesson is not that difficult, but it is best to do it on a lift. We were engaged in this sacrament in the pit, and even in winter ... Therefore, the procedure dragged on, and since all hands were in oil, there were not many photographs of the process.
Trying on a new part before final installation: 
After assembling the automatic transmission and partially dismantled the suspension, all that remained was to fill in new gear oil and check the result. What can I say, the money was well spent 🙂 The previous smooth gear shifting returned to the car and the “inhibition” disappeared.
As a conclusion, despite the fact that we overwhelmingly associate trading platforms as places to purchase all sorts of electronic gadgets, we should not forget that these are, first of all, stores selling rare items. Stores that allow you not only to save money, but also to buy something that, if not impossible, then very problematic to find offline.
On this, perhaps, everything. Thank you for your attention and your time.
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Video (click to play). |
P.S. A little about the 42LE box and about the problem with the solenoids block.
