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Understanding ASC: What it does and reported problems & codes (thread merge)

Old Nov 15, 2008 | 07:24 PM
  #181  
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Originally Posted by Mike@AwdMotorsports
Whaaaat??? Are you positive its tranny / Tcase fluid?? What speeds were you at when it failed?? Its very unlikely to damage tcase or tranny once the car is up and running past 60mph.. you sure it didnt window the block?? Im sorry to hear about what happened to the car.. You were one of the few really working on getting the ASC issue resolved.. I cant imagine what failed on an EVO w/ ~320whp...

Mike
I was next to a VR-4, actually about to do a couple of warm-up pulls. I'm a master technician (ASE Master +L1, many other certs). I haven't got around to seeing if the tcase shares fluid with the gearbox, or if they are independent of one another. Either way, it was certainly gear oil, no doubt about that. I suspect something in the area of the tcase tail-housing, possibly output shaft seal. I will update on this later. The car remained driveable, although I let it cool first and only moved at 35mph, whining all the way (no other options were available) home. Speed at 'failure' was about 78mph WOT. Engine is fine, but is just coming up due on its first ever oil change.
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Old Nov 15, 2008 | 07:26 PM
  #182  
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Turbos always glow. You can see them at night.
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Old Nov 15, 2008 | 07:27 PM
  #183  
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Originally Posted by lallen3
I was next to a VR-4, actually about to do a couple of warm-up pulls. I'm a master technician (ASE Master +L1, many other certs). I haven't got around to seeing if the tcase shares fluid with the gearbox, or if they are independent of one another. Either way, it was certainly gear oil, no doubt about that. I suspect something in the area of the tcase tail-housing, possibly output shaft seal. I will update on this later. The car remained driveable, although I let it cool first and only moved at 35mph, whining all the way (no other options were available) home. Speed at 'failure' was about 78mph WOT. Engine is fine, but is just coming up due on its first ever oil change.
Wow, those are some serious credentials...

You probably shouldn't have posted that though because you will now be flooded with all kinds of random tech questions PM'd.
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Old Nov 15, 2008 | 07:30 PM
  #184  
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Originally Posted by surferjeff
Turbos always glow. You can see them at night.

That is 100% incorrect information.. TURBO's DO NOT ALWAYS GLOW.. I realize you have only 9 posts and are new here to posting but lets not give out inaccurate information to the community..
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Old Nov 15, 2008 | 07:31 PM
  #185  
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From: CC
Originally Posted by surferjeff
Turbos always glow. You can see them at night.
Wow, that's bright! Mine wasn't even close to being that bright.
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Old Nov 15, 2008 | 07:32 PM
  #186  
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Originally Posted by surferjeff
Wow, those are some serious credentials...

You probably shouldn't have posted that though because you will now be flooded with all kinds of random tech questions PM'd.
Yeah.. lol. Crossing my fingers for a smooth transaction with
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Old Nov 15, 2008 | 07:36 PM
  #187  
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Originally Posted by lallen3
Yeah.. lol. Crossing my fingers for a smooth transaction with
Did mitsu say if they have even seen anyone trash a trans or tcase yet in an Evo X??.. I mean grinding gears etc is 1 thing but to put holes in the tcase or tranny is crazy!!
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Old Nov 15, 2008 | 07:39 PM
  #188  
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Turbo's always glow when they are hot. I have had my 2005 since it was brand new.
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Old Nov 15, 2008 | 07:43 PM
  #189  
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Originally Posted by Mike@AwdMotorsports
Did mitsu say if they have even seen anyone trash a trans or tcase yet in an Evo X??.. I mean grinding gears etc is 1 thing but to put holes in the tcase or tranny is crazy!!
From what I've learned, no. I mean, somewhere there is someone who's done it, but I'm sure I'm in the first 10-15 to experience a massive failure/fluid loss on the X, excluding other systems. I'd attribute the whine to low fluid, but as to the degree of internal damage, I don't know yet. I can say that the trans became more difficult to shift (notchy, like a cold 3000GT VR-4). That's what made me question whether the fluids are shared.
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Old Nov 15, 2008 | 07:47 PM
  #190  
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Originally Posted by surferjeff
Turbo's always glow when they are hot. I have had my 2005 since it was brand new.
Ok lets get this right.. Turbos are always hot unless the car is turned off.. That is called a FACT.. Turbos ALWAYS GLOW is not a fact.. If you want me to dyno a car in the dark for you to show you they do not ALWAYS glow red i can do that the next time i am on the dyno..
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Old Nov 15, 2008 | 07:57 PM
  #191  
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Hard driving as lallen3 has already explained the conditions and use of the car already would lead to a glowing turbo.

Hard pulls to 80mph in boost would exhibit this condition.

When I feel compelled to do so, I light cigarettes off of the exhaust manifold and turbine housing.

Last edited by TTP Engineering; Nov 15, 2008 at 08:09 PM.
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Old Nov 15, 2008 | 08:02 PM
  #192  
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From: PHILLY
I use a bic
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Old Nov 15, 2008 | 08:03 PM
  #193  
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Originally Posted by TTP Engineering
Hard driving as Mr Allen has already explained the conditions and use of the car already would lead to a glowing turbo.

Hard pulls to 80mph in boost would exhibit this condition.

When I feel compelled to do so, I light cigarettes off of the exhaust manifold and turbine housing.
Has there been any information that has been obtained on why the ASC Light is coming on?? I have a customer of ours who is getting the Zchip but wants it custom tuned but i am leary as i dont want to be responsible for the common ASC light that keeps coming on.. Should i just install it for them as PnP and leave off the MBC just to be safe?? lmk

Mike
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Old Nov 15, 2008 | 08:08 PM
  #194  
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Originally Posted by Mike@AwdMotorsports
Has there been any information that has been obtained on why the ASC Light is coming on?? I have a customer of ours who is getting the Zchip but wants it custom tuned but i am leary as i dont want to be responsible for the common ASC light that keeps coming on.. Should i just install it for them as PnP and leave off the MBC just to be safe?? lmk

Mike
We have no record of any ZChips that are scheduled to be shipped to your market and as the master distributor for Zeitronix, we have this information.
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Old Nov 15, 2008 | 08:15 PM
  #195  
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Originally Posted by TTP Engineering
We have no record of any ZChips that are scheduled to be shipped to your market and as the master distributor for Zeitronix, we have this information.
Do guys think the z-chip contributed to the failure? Maybe it was just a mechanical defect from te factory that snapped with the added power. I just think it really sucks for the dude with the broken car. Good thing he is a tech and able to strip the car to stock again. Please stop acting like yoyo's and get back on topic.
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