ayc / acd pump repair
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- čas přidán 7. 09. 2024
- A little tutorial on how to repair the ACD / AYC pump on mitsubishi EVO's... valid for all cars with active center and rear diffs, i.e. ACD and AYC equipped vehicles...
For more info contact us directly..
Thanks for the video man, very helpful. Not sure why one person decided to dislike this... I guess they bought a new pump at the dealer
A fantastic tutorial. Rebuilt my pump as shown and after bleeding my AYC now works perfectly! Literally saved myself £1000+. Many thanks.
glad it worked for you...
This is the 1st time I have ever commented on a CZcams video but I felt the need to Thank You for this tutorial.........Great tutorial....couldn't have come online at a better time for a lot of Evo owners.
I need to mention to everyone here, that you can in fact put the SS plate on wrong when reassembling and the middle housing can be put back on backwards too. Also make sure the chamfered slash hole is in the direction of the bigger end of SS plate "crescent" openings. And best advice is to mark all 3 housings with lines so when assembling you line. them back up.
Excellent. Thank you for taking so much time to set this up. By far the best tutorial I have seen on here. Very Professional.
great video. well presented n inform with details .cheers
Great video thanks 🙏 Love
great tutorial!!! im sure this tool can be used to bleed the pump for when the ayc fluid needs changing :) im intrested to see if this will work for evo 4 5 6
2021 REBUILD KITS are still available only place I found that do them is called Evolution Hydraulics in the UK
Great video. If you do this a lot save the time and put together a rig for a slide hammer. It'd save you all the unnecessary welding and grinding of stuff for facilitating removal.
yes, you can remove the pump and drive without it... no problem... just plug the hoses so that there is no dirt coming in..
Big Big Thanks!!!!!!!!!!
@MrLeecavturbo
There are two kits... the Toolkit, which consists of the powerbox for the pump motor and valves, and can be used for testing or bleeding the system + pressure gauge and adapter and some blanking plugs.
Second is the repair kit, which consists of the new pump plate, all new O rings, Oil seal and bearing for the motor shaft, new bolts.The instructions... you are watching those.. :)
Kit works for Evo 7/8/9, I need to check about 4/5/6, but for Evo 10 there will be another kit..
Hi. Do you still offer this kit? Ty
Same. Do you have the kit? Or where do we order it from
Thank you! Very good video! What is suitable sealing rubber and seals? What are the dimensions of the rubber gland and bearing?
Yes seems like its the motor, cause i couldn't manually activate it. I brought it to a electric shop, and they said the brushes are bad. And they are going to find parts for me. I will keep you update
YES, you have to bleed the system after servicing the pump. If you just change the ATF in the rear diff, then NO, no need for a bleed... However, if you want to change the ATF in the pump itself, then yes, you need to bleed the system as it is the best way to change the fluid...
Kit still available? 2006 evo 9 u.s model
Where I can buy the kit?
Great video, thanks. Can I ask you what is the oil? And is there any further bleeding when you fit the pump back to the car?
It is a "normal" ATF, just one that fits the SP-3spec... Mitsubishi sells the dia queen AYC fluid... I usually use Motul Multi ATF. Yes, after installing the pump you need to bleed the system.. using mitsubishi service tool, or something like the tool I used to make (the one in this video)....
@Hexenmiester
If you are from the US or north America, contact acd-tuning, they also repair the pumps
If you are anywhere else, contact me direct via the mail in the vid..
Very nice effort uploading this_ Do we have to BLEED the pump and/or its lines till transfer case and rear diff. pistons, which engage or free the clutch packs, after 1) servicing the pump plate as you have shown or just simply after 2) changing our ATF pump fluid????
(pump fluid is ATF, right?)
I haven't tested my pump yet, so I don't know if it's problem is related to a mechanical failure. My quesiton is, can I remove my pump and plug off the line to the T-Case while I work on the pump? Can I test the pump when it's still on the car? I have an 09 Ralliart. It's very cold outside here and I need this car as my daily driver but I also need to have my pump repaired before the heavy snowfall.
Where are the kits available from?
Is this a typical hydraulic circuit with a hydraulic pressure accumulator, electric pump, and actuators?
Question: if the pump fails, will the differentials still work since it's an active differential?
Imagine taking a hard corner and then suddenly realize the AWC isn't working...
It'll be fine. The controls only adjust bias of the differentials. Without any adjustment (aka pump failure) they would stay at their default torque bias.
Yes it is a typical basic hydraulic circuit.
It was easy to rebuild the pump, but it was alot of corrosion. I got one problem after installing. After awhile, probably after 20+ drives (when I have put the battery on again) the AYC control lamp turns on. But if I start the car with the steeringwheel a little turned to right or left, the AYC lamp dont turn on. If i Align the steeringwheel stright and remove the battery and turn it on again, the AYC lamp doesnt lit and is working ok.
+Marcus Rehnström Try bleeding the system again... and if possible check the error.. also, it would be good to check the steering sensor position, you can read it with evoscan..
hi, you must have a broken actuator plate in the transfer box... that is where the ACD fluid is leaking from.. Only solution is to service the transfer box or replace it..
@dublindrunk
we are testing that soon.. :)
sweet pricless info
jayjay.... contact acd-tuning they do repair work and carry the kits in the US..
best
v.
could be just air in the pump.. check your fluid levels..
hi There are these kits still available ?
I have an Evo V in the US and I have the ABS AYC and SRS Lights on. Are these the ones you are talking about? Or are you saying the Gavel tarmac and snow lights?
Hi! Im doing a renovation of my AYC pump as well! But where do you find the Pressure switch and solenoids? Can't find anywhere to order them from?
@TheHarlequin100
thanks.. :)
How can I tell if it is corrosion blocked or the motor(s) are burned? I mean before taking it off and open it.
do you get the pump/valve power box in the kit?
can you clarify what is in included?
nice job btw
How do you do? I learned a lot about y c.
My pump has started to whine on start up would you say it is corrosion related
Are there any torque figures for installing the bolts?
Does heavy corrosion and AYC/ACD Pump failure have to do with temperature and road conditions? I've been doing some research and most of the people who have this issue live in cold areas with salt on the roads during the winter.
Did you sort it? I have a similar problem, runs for a while, then error returns. Mine seems to be related to the motor, let me know what was the case with yours. Maybe it needs something done with MUT III ?! Thanks.
hello my friend.i have an evo 8 and my abs lamb stays on, the oil of the pumb overflow and i dont control my car in the corners tell me if i have a problem with my pumb please.....
After rebuild it and reinstall it do we need to bleed it or something? If yes, how to do please?
You still offer the activation tool and also the seal kit? I have an evo vii that needs a rebuild
Bib, you show the wave washer being on the motor side of the bearing seal. When I disassembled mine, the washer was on the pump side of the seal. It makes some sense that it would preload the bearing against the face of the seal. Mine may have been assembled wrong from the factory I suppose. Where should it be? Thank you
Did you ever find an answer where the wave washer goes? Any help would be much appreciated 🙏
I got my pump rebuilt, tested and sealed. I got it up and running for a day, then the C161E shown up again. Went to the dealership and had them bleed the system still no luck. Anyone have any idea?
I got error 72 - directional control valve right open or short circuit on my Evo. Any tips on what's wrong with the ACD system?
Hi, how much would a kit for a evo 8 2003 ,be shipped to the UK. many thanks
Whats the thread size of the outlet ports to the diffs??
where can we buy the repair kit ?
Hi, does the pump turn on when turning key to accessory, or does it only turn on during ignition?
I want to try listening to it to see if its going bad.
no, it is turned on by the ACD ecu. On E8 and 9 you can turn it manually by pressing on the accelerator fully and turning the key to ON position... it should start after a few sec. Maybe better solution is to switch the pump on manually trough the pump relay, or unplug the pump motor connector and apply 12V directly..
Yeah, check out magnesium chloride, its nasty stuff. Look at your oil filter housing, among other parts.
Can’t find a kit that works with the 2012 evo x :/ taking mine apart but can only find the rebuild kits for evo 8s&9s
The plate and seals are the same on all pumps, it is just the bolts that are different in length. So you can always get the e789 kit and get the bolts separately. While I was producing the kits I used to have a separate kit for the X though..
I've done exactly the same as you - fluid pumping out of hole where sensor would go before putting gauge in to make sure there's no airlock but then when i turn the motor on to build pressure it goes to 5 bar straight away and then stops...any ideas?
Sounds like a pump problem to me but I have to admit I never had a similar issue.. it was usually all or nothing
do you mean it should reach 15 bar straight away once you turn the motor on?@@bibnakladnistvo
@@edbowles86 normally it takes about 6-7 sec
How much is the repair kit for an evo x rs shipped to UK?
i got a code of 82 im assuming i need to do this?
Do you still sell this kit
Hey do u have any methods of removing the 2 hex bolts inside the pump, it seems heavily corroded and broke my hex bit already...
That is weird.. usually those go out easily...You can always try drilling out the heads and pulling the pump apart that way...
I will try that as a last resort, thx for the quick reply! Just wished there was some type of penetrate that can remove the rust/corrosion like a miracle.
Bib... Need help on an EvoX. Its for a USDM EvoX
HI there where can i get the kit from? cheers
Do u still sell this kit for the evox and how much
Was this pump for the Evo X?
how can i order your kit?
Where can i get this kit
Evolution Hydraulics in the UK still sell them
Do u still sell this kit? I urgently need one
why wasn't the pump making any pressure ?
when?
+bibnakladnistvo before you fixed it
because of corrosion between the pump halves the tolerances in the pump grow and the georotor pump cant make the pressure.. the oil just flows around the rotor
+bibnakladnistvo you mentioned that if the motor keeps running at high speed then it isn't pressurizing the fluid, but why is that ?
+bibnakladnistvo I see, thanks bro ! I appreciate your reply !!! By the way, do you have the hydraulic circuit diagram and the electrical diagram for the pump motor and solenoids, couldn't find any of these on pro demand ......
please contact me via the mail at the end of the video..
there is an email adress at the end of the vid.. :)
Hi, I sent you an email a few days ago about the repair kit, are you still producing them and answering the emails? I am currently in Croatia (Zagreb) so if by any chance you see this and are also here, please PM me, I would like to buy a kit from you!
Have a look at a place called Evolution Hydraulics in the UK
Hi, I try to contact you by mail. Please let me know can you help with a kit for Evo 9 GSR
no, this is a evo 9 pump
how do you bleed the pump?
Pretty sure you can use their test box to run the pump. Otherwise you can do it how he says in the video by holding the throttle down with the ignition on (engine not running) (Doesn't work on the Evo X).
well i have an x...
Kartyman550 Then I think you have to use the test kit in the video. Otherwise there's no way to run the pump to bleed the system. You can try looking up on some Evo forums though. Maybe there's a way to bleed without running the pump.
there isn't. i have read every thread about it. MUTIII or manual bleed box. thats all.
Kartyman550 Why not just plug 12V into the motor? That's all his test kit does.
Email address is in incorrect
pump pump pump pump pump pump pump looks like scratched disc
Hi, your email address seems to be incorrect.
I sent you an email.
WHERE can i buy this kit?
where can I buy this kit ?