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4EAT "firm shift" resistor question
Posted 10 November 2004 - 05:15 AM
resistor, or lack there of.
My 89 GL-10 has a full time 4EAT. The "power" light flashes on start up,
so I pulled the codes from the ECU. It indicates duty solenoid A is at fault.
For those not in the know, my reading tells me,
this solenoid is the one that controls the line pressure during shifting.
It "softens" the shift into the next gear
You sport drivers may like a "firm" shift but I feel it is harmful to the driveline.
As Josh has pointed out a compromise is in order.
My question (I know I should ask this on the Old Gen side as it is a GL-10
but we over there don't deal with the 4EAT much)
has anyone ever seen this resistor in a GL-10? I have looked in the Legacy location
and can not locate it. Possibly after reading about this "mod" the previous
owner removed it. The condition has existed since I bought the car.
I could check it's continuity at the transmission electrical connection, but it
would real nice to find an empty connector where the resistor should be,
don't you agree?
Thanks in advance for any reply to this problem.
Posted 10 November 2004 - 06:11 AM
You might check out what he said, or just ask him directly. (I have not as yet gone looking for my resisitor. )
Posted 10 November 2004 - 09:06 AM
Posted 10 November 2004 - 10:24 AM
Posted 10 November 2004 - 12:31 PM
But on the XT6 it is over on the Passenger Strut Tower, on the SVX it is on the fender behind the battery.
You probably know what to look for, but just in case, or for others reference the resistor is a thin metal box about 3/4" x 3/4" x 5".
Posted 14 November 2004 - 08:46 AM
(i.e. near the place on the pass side shock tower where the fuel injector dropping resistors are located)
and finding nothing that remotely looked like the shift resistor or it's plug.
I decided to spread out my search pattern.
Low and behold, behind the tower, hidden under the AC relays - whoop, der it was.
Sure enough, it was unplugged - as I suspected.
Long story short - plugged it in - "POWER" light quit flashing and shifts are nice and smooth now.
The "limp home mode" mentioned may happen when something more catastrophic happens.
But in my case it drove just fine except for the harsh up shifts.
Sorry for this info being on the wrong side of the board.
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