What we need to know about the Al4 transmission

Thread: AL4 Hydraulic Valve Block

Why: Gearshifts are not fluent

The transmission oil shown in the pictures here is 7 years old and the vehicle is at 77 thousand km. In this article, it is aimed to clean the valve blocks while changing the gearbox oil. At the same time, the oil pressure sensor located at the bottom of the blog was also cleaned.

Danger: If you are not familiar with this type of transmission, trying it may cause the whole transmission to be scrapped.

Hydraulic Block:





At the bottom of the black cover are two square-shaped magnets. These magnets hold large and small metal particles in the oil and do not send back to the transmission.



As it is seen in the picture, there should not be any rust anywhere. This is actually the harbinger of water entering the transmission system in some way. To ensure that no rust is formed is one of the reasons why it is necessary to change the oil frequently.





As you can see in the picture, there are still old-style solenoids on the blog. The part reference number of these solenoids is 2574.10. Old solenoids should be replaced with new Borg Warner valves. Part reference number of new types is 2574.16. ECU software must be updated after new solenoid valves.






These are sequential electrovalves (EVS). If the transition between certain gears is not only fluent, these electrovalves can be supported. For example, in this article, the transition from 1 to 2 was not very fluid, so EVS2 (electrovalve of the 2nd gear) and EVS5 (electrovalve of the reverse gear) were replaced.












These channels can be wiped with a clean cloth that leaves no dust.







End of cleaning and smooth gear shifts ...

Source: http://my206xr.blogspot.com
Koliva 2011-08-26 20:47:31

koliva,pas yağın sık değiştirilmesisinin nedenidir yazmişsın bu tercüme hatası olabilirmi değilse yağı sık değiştirmek neden pas yapsın???

[QUOTE = tolga35] koliva, rust is the reason why the oil is changed frequently. [/ QUOTE]

It is necessary to think about the previous sentences, but you may be wrong. I changed the word a little.

I am for the frequent change of oil, because the oil pressure of these transmissions ... thanks for your interest koliva

I will replace it with new types without jerks that will pass without feeling the fluent gears, but the valves are still felt, the transitions are not knocked, as before. If the car is not knocked over when passing from 1 to two, i.e. if I leave it without stepping on the downhill throttle, the car is going into second gear. but he does it in the meantime.

It was a very nice sharing ...

[QUOTE = mugur32] I don't want to feel smoothly when I say smooth gear. If the car is not knocked over when passing from 1 to two, i.e. if I leave it without stepping on the downhill throttle, the car is going into second gear. but he does it in the meantime. [/ QUOTE]

When I say fluent, I want to say that the gear changes are the same as when you first bought the vehicle. It is noticeable, but as you say, but I mean shakless, knockless.

I changed the gearbox oil today. but unfortunately gear shifts are still jerky. The whistling sound did not stop.

friends, I will ask you something. The situation that looks like this aravit is only in 2nd gear, I do not have 3 or 4.

I have the same ramtas.

[QUOTE = quantum] I have the same ramtas. [/ QUOTE]

[QUOTE = ramtas] friends, I will ask something to me. The situation that looks like this aravit is only in 2nd gear, I don't have 3 or 4. Is this normal?

In the last document I prepared, I have illustrated the possible solution that you said exactly. You probably don't read carefully.

we are talking about different things.

[QUOTE = ramtas] We are talking about different things, I suppose that only the situation like this intermediate gear is only in 2nd gear, I said. . [/ QUOTE]

I understood the same thing again. The following article was taken from the previous article. Does it suit your situation?

These are sequential electrovalves (EVS). If the transition between certain gears is not only fluent, these electrovalves can be supported. For example, in this article, the transition from 1 to 2 was not very fluid, so EVS2 (electrovalve of the 2nd gear) and EVS5 (electrovalve of the reverse gear) were replaced.

ok koliva i read this. my gears are ok with shifts. thankless allahah thank you changed 2 years ago solenoids.

[QUOTE = ramtas] ok koliva i have read this. My gear shifts are okay. Thankless allah changed 2 years ago.

ok thanks alisuat

Friends, I'm tired of the automatic gear fault error. I replaced solenoid valves in May, it has been very nice for 3 months but now it gives this error again why? he does it only in the morning without warming, he never does this after warming up, he used to do it even after warming up. I would be happy if you help

[QUOTE = zafer4638] friends I'm tired of the automatic gear fault error now. I replaced solenoid valves in May, it has been very nice for 3 months but now it gives this error again why? he does it only in the morning without warming, he never does this after warming up, he used to do it even after warming up. I would appreciate if you help [/ QUOTE]

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Ramtas brother, your problem is in our vehicles, they are not intermediate gears, they reduce the excess pressure in the torque converter, they cause damage to the transmission, this medicine is abundant in the gearboxes and this becomes more obvious as the hydraulic block tears as the coach explains. When it comes to your problem, my quantum brother, I don't want to go serial when the car is enough. If this is the case, this was the case for me, I have 1 good 1 and bad news. 1. The torque converter, which is bad, must be finished, and while this is changing, you will have to change a few more pieces. If the band assembly is good news like felts, if the torque converter has not been repaired before, repair can be done if it is not distributed too much. or the second option, as I did, you will need to look at the junkyard of the torque converter, which is not worn out, not worn out, not damaged, not damaged, and there are 200 300 knife prices.

In 307, now my car is in focus, I usually get used to throw it at 20 km speed or when it stops. I also save fuel by doing this, the target vehicle relaxes, what do you think?