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Guest Message by DevFuse
 

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3EAT info


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6 replies to this topic

#1 Markus56

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Posted 24 August 2010 - 04:56 PM

Hey guys i need all the info and links you can throw at me to find info about the gen 3 automatic three speed.

We are trying to fix one at our shop and are having a heck of a time getting info about it.


Any PDFs, USMB links or anything else would be great!

Thank you

#2 Suba9792

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Posted 24 August 2010 - 06:48 PM

what problem are you having, I'm having trouble with my 3EAT in my loyale, hence the reason for it being up for sale, just dont have the time.

#3 WoodsWagon

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Posted 24 August 2010 - 10:02 PM

It's a 3at, no e, that's for electronically controlled, like the 4eat in the ej-series stuff.

Low fluid
apple-cored governor gear
failed/not hooked up vacuum modulator

Oh, and front diff run out of gear oil

those are the main problems with the 3at, other than being gutless.

#4 Markus56

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Posted 25 August 2010 - 09:37 AM

the issue with the one in our shop is the customer is experiencing a "lack of power". I test drove it up a moderate hill at 25 mph and i had it floored. it didnt quickly accelerate or downshift, just slowly increased speed.

#5 silverhelme

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Posted 25 August 2010 - 11:56 AM

Check the kickdown system ( relay pedal switch and solenoid ) also possibly fuse and wiring.
Does it downshift manually?

Edited by silverhelme, 25 August 2010 - 11:57 AM.
info


#6 ettev

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Posted 25 August 2010 - 05:44 PM

the issue with the one in our shop is the customer is experiencing a "lack of power". I test drove it up a moderate hill at 25 mph and i had it floored. it didnt quickly accelerate or downshift, just slowly increased speed.


Sounds like a normal soob with an auto! :lol:

#7 WoodsWagon

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Posted 25 August 2010 - 10:20 PM

Check for a stuck vacuum modulator or broken spring in it, other thing is make sure the vacuum line to it is run directly to the manifold, and not t-d into one of the HVAC vacuum lines after the resevoir, or same thing with an aftermarket cruise setup. You want the modulator seeing direct manifold vacuum, nothing else.

Vacuum modulators force downshifts, governors force upshifts. Usually if you unhook the vacuum line to the modulator, the tranny will do redline shifts, no matter what the throttle position is. If the modulator is stuck or failed, then it won't.

Also know that the 3at's were known for being gutless wonders. The "lack of power" could be normal.




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