4-5 starts .. as long as the fault that triggered the CEL is no longer present .. it will clear away and stay in long term memory until retrieved or erased once it clears the car performs as normal

What is a manual reset ?? remove battery terminal ??

 

You'll actually find that the box 'cannot' be opened by your local dealer under agreement at this stage as it's too early in the parts life. If the program that is in place is a new replacement box with the old unit going back to Japan then that’s the procedure, the dealer sure isn’t going to try to fix it themselves. What could be the Failure? It could be something as simple as a solenoid or something much more sinister and anyone’s guess is good as mine, but being so early in the products life, no one knows apart from Mitsubishi in Japan and Getrag.

The entire unit will be shipped back to Japan and then it will go under close scrutiny being carefully examined to what the fault or faults may be. This is a standard procedure with many automotive manufacturers. From there it may mean an update at a manufacturing level is employed, or if it’s something simple then a procedure at dealer level will be implemented in the way of a technical service bulletin at Mitsubishi Dealerships. That’s the way the system works.

 

I thought I read they were shipped to Germany where they were built?

 

I remember when I had a 3000 GT VR4 and the trans went, Mitsu couldn't work on it, Only Getrag could touch it. 3-5 weeks later I got my car back.

 

finally somebody comments and it makes sense. i'm still happy Mitsubishi came out with this SST transmission box, but I have some definite concerns about it when my original transmission crapped out in less than 6,000 miles. I wonder how things would have been if Mitsu would've done it like Nissan did w/ the GT-R...costs may have been higher, but solutions may have come faster? maybe

Basically I want to know this : 1) What is the lifetime of this transmission (in miles) , 2) How much will an overhaul actually cost for this transmission? Before we know that Mitsu Techs will have to be able to open the transmission and replace components freely, at least the main "breakable" parts like solenoids, electronics, and clutch packs. I'm just talking hypothetically here i'm not a tech, im a business guy, but I think we need to know these things before our warranties are up. Don't you other SST owners think so?

 

You are very funny .. the GTR has their own inherent problems .. and if there's any comparisons .. the SST actually has less issues ..

Whatever GTR issues (and probably more because of the power output) there are .. they did exactly the same way Mitsu did to solve it .. putting in additional limiters so you're less likely to break it ..

1) you're asking a question that will remain a question mark as the gearbox is only out for a year or so ..

2) Depends on whether you're going to DIY or pay someone to do it .. since this gearbox has already been taken apart by everyone else except mitsubishi

3) Solenoids / valvebodies / electronics are NOT breakable parts .. they fail because of manufacturing defects MTBF etc .. clutches really depend on what you do to the car and how you drive it .. just like a manual .. its a wear and tear item ..

If it makes you feel any better .. the gearbox is similia in many ways to the standard automatics .. replacement clutches are already available.. so workshops familiar with automatic transmissions probably can take apart the gearbox without much trouble ..

 

thank you for providing me absolutely no answers to my questions, just your own opinions. To answer your opinions :

1) I think its about time Mitsubishi starts addressing these questions. What I'm saying is my questions shouldn't remain questions much longer. Someone should properly answer them. fyi : This gearbox has been out for >"1 year or so"...coming up on 2 years very soon, actually.

2) If what you are saying is true, and Mitsubishi hasn't taken an SST apart, I think its about time they do, don't you? Especially if that transmission is mated to a number of your strongest engines. Btw: your assertion to "DIY" or "paying someone to do it" sounds crazy to me. I would never compromise my factory warranty unless I had deep pockets to buy 1 or 2 SST replacements (which at a supposed $9k price are way out of my budget).

3) You say "electronics" are not "breakable parts", yet in my case the TCU inside the transmission apparently broke and caused a malfunction that burned up the transmission and made the transmission slip in all gears. Thats what my service paperwork says. Check the dictionary & thesaurus, "break" and "fail" are basically synonyms. You seem to present yourself to be an expert, yet you don't really know what u are talking about. At least you're not proving yourself in my opinion. In my opinion, you are just protecting the transmission and Mitsubishi, and trying to hide all the facts. I'm sorry to call you on it, but thats how i feel about what you have to say.

As far as the GT-R comparison. All I was trying to say is that in my opinion, Mitsubishi would have done better to assemble the SST in-house, and have had made a 100% "Made in Japan" car, not a 85% Japan , 15% German hybrid that it is. It is my feeling that UNTIL Mitsubishi service techs get the knowledge and approval to open up these SST transmissions for some standard service & checks, this is a "high-risk" transmission. Anything can go wrong at any time, and you won't know wtf happened. I sure didn't know wtf happened when the transmission stranded me on the freeway under regular driving on a stock car. I'm just stating the facts here, as I know them to be. Thanks.

 

gunzo is right, Solenoids / valvebodies / electronics are NOT breakable parts. I think your definition of breakable isn't quite what it should be. Can they cease to work? Yes, that doesn't mean they broke. A motherboard inside a computer can stop working. That doesn't mean it broke. It means it shorted out. In order for the TCU to BREAK, it has to literally break. Something else happened in your case. Either overheated or short circuit. Overheating would be the cause of other parts and not actually break it. Short circuited could be as simple as a manufacturer defect, or something as serious as foreign metal getting involved and shorting out the circuits.

Unless your TCU was in pieces and spontaneously combusted, it didn't break.

 

If I'm going up or down hill, I put the SST in sport mode so it wouldn't try to let it slip as much.

Speaking from an engineering/manufacturing point of view, most of the products I design can be servicable in the field. But everyonce in a while, I'll design something that requires the entire unit to be swapped out so we can take a look at it in the lab to determine the cause of failure.

While we can trust 90% of our service tech's to send back a good part, sometimes, they like to try to fix it out in the field first and that can obliterate any potential clues that might lead us to find unseen systemic flaws in either design or manufacturing.

I'm guessing this is why they don't want mitsubishi servicing the SST just yet.

 

What is doing with the sst/Getrag box is not all that uncommon for a new gear box. Getrag manufactured it. and Getrag wants to control all the annalysis of the trans. Call it development at the end user expense if you will. This will not last forever. Eventually they will start doing work on it locally, rather than shipping them all back to Getrag.

As for not being able to take it apart...there are companies out there doing that already. The difference is that you have to pay them, rather than having Mitsubishi warranty it.

 

Also, I doubt the clutches last forever. Won't they have to be serviced eventually? Anyone know about this? They are wet clutches, so should last quite a bit longer, but even wet clutches wear and tear.

 

That would be a very open ended answer if I was to give one. The issue is there are too many variables, It's like asking how long is a piece of string? (actually, there is an answer for that. 'Double, half it's length'

I'm not sure I'm understanding your idea of overhual. The actual friction plates would wear dependant on quality of fluid, amount of heat generated and Torque put through them. As for solenoids... The guys are rtight, they arent something that generally goes bang and the the cost of those items would be small compared to other parts of your car.

One of , if not the most expensive part of the SS-T would be the housing itself and that could crack or perhaps have a whole punched through it if your box had a fair amount of Torque going through it and decided to turn inot a lego explosion. Replacing the casing would not only be expensive as an acutal part, but to have everything removed and replaced from a labor aspect would be very expensive.

Honestly, for most drives the SS-T is a very safe and trouble free thing. Much better than a hydraluic pull type arrangement with a hi-powered AWD car, that is for sure. For most people that will own an Evo X equipped with an SS-T for it's warranty period plus a few years, they will have a relatively cheap motoring experience I would suggest.

 

[QUOTE=kijima;7574774]That would be a very open ended answer if I was to give one. The issue is there are too many variables, It's like asking how long is a piece of string? (actually, there is an answer for that. 'Double, half it's length'[/string]

Wow, you learn something everyday.

 

you guys are giving the subject too much of a run-around. I feel we're all running around in circles.

I don't want to play games. I just want REAL ANSWERS.

To say that the SST transmission is a "variable" is a bunch of b.s. why don't you just say the truth : "nobody knows the true lifetime of this transmission because its too new". Without you doing "race" things like "brake launches" (drag) or "100 laps in a row" (track) THERE HAS TO BE A DAILY-DRIVEN "MTBF". xxx ~ xxx miles. SOMEBODY POST IT HERE. Again, assume NO MODS, as I'm sure MODS will alter the lifetime of the SST tranny. I HAVE NO MODS.

kajima if you don't know what a "Transmission Overhaul" is, look it up in your dictionary. IT means replacing the parts that have "regular wear and tear" inside a transmission. For Automatics, its a kit with a bunch of parts, seals, and gaskets. For Manuals, it's usually called a "clutch kit". What I want to know is HOW MUCH FOR THE SST OVERHAUL KIT AND HOW MUCH TO PUT IT IN.

IF you don't want to post here for any reason, PLEASE PM ME. Thank you.

Lastly, I want to say I do love Mitsubishi, and I do love the SST and the LANCER CAR. I've already had one SST transmission fail on me early on, and thats why I want to know these DETAILS now. Thanks.

 

You expect answers from me after that post? I'm more inclined not to help you based on that last post of yours.

You have already have answers to your questions, if you aren't satisfied with them, then I'd suggest that is your problem. The fact is there are too many variables and to say, "Yes, the SS-T is good for 300,000 miles" is just plain stupid. Mitsubishi certainly don't suggest having a lifespan on the engine, or transfer etc... So why would you think the SS-T would be any different? You are looking for a black and white answer, and there just isn't one.

For what it's worth, there are only schedules set for fluid replacements and as far as scheduling goes, and there is no SS-T overhaul kit available at present.

I think the guys within this post have answered your questions very well, Kris has even gone to the trouble of posting photos of the inner workings with an explanation about the solenoids and electrics being very rare to fail and not needing an 'overhaul' hence my question to you about overhauls in what you think would get done if an overhaul was carried out?
As it is, Kris has identified the parts that would wear and this isn't something new, similar principles have been applied in Motorbikes for decades. The problem you have is you cannot see the forest for the trees, you have an answer already, you just can't see it.

As far as what an overhaul is in relation to gearboxes or transmissions or differentials, I reckon I'm fluent with what they are and require. I've probably had a fair bit of exposure to exactly that kind of thing and I'd like to think I'm up to speed with them thanks very much, although I'm not sure exactly how a Dictionary is going to help me perform mechanical work. I'm not sure when the last time you pulled out a Lancer Evolution X 5 speed box, replaced bearings on output shafts, snap rings, spacers, ring assembly 4th gear synchro and clutch release bearings but I'm struggling with how a Dictionary would help me.