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 Transmission Question.
#803182
04/06/07 06:41 AM
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Joined: May 2005
Posts: 49
OP
Getting the Wheeling Fever
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This may sound like a silly question but, I was wondering... How the Automatic tranny works with the motor. Does the automatic tranny detect the RPM's from the motor then decide to shift and down shift or does the Main computer to the motor tell the transmission to shift. Does the transmission monitor the fuel pedal position, for instance, when you floor it then it down shifts? May sound like a silly question to all you veterans, But I am not a veteran, thanks in advance.....!! <img src="/forums/images/graemlins/drunk.gif" alt="" />
1990 LWB 3.0L With 33/12.50's K&N 251k Miles
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Re: Transmission Question.
[Re: Trail_Maker]
#803183
04/06/07 06:49 AM
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Joined: Sep 2001
Posts: 8,557
Forum Moderator
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87 Raider 4D56td v5MT1
31's..Basically Stock
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Re: Transmission Question.
[Re: Trail_Maker]
#803184
04/06/07 08:55 AM
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Joined: Oct 2004
Posts: 6,332
Trail Leader
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Pretty much, the answer to all your questions is YES!
1990 Montero RS (In pieces... for now)
KG6VNX
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Re: Transmission Question.
[Re: 52degrees]
#803185
04/06/07 11:52 AM
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Joined: Sep 2006
Posts: 406
Mudrunner
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On tiyr 90, tou have a transmission computer that gets signals from your ECU, A/C, power steering & others.
The ECU sends a digital signal to the trans computer & the trans gets controled from there.
Ed
Yankneck = Yankee ingenuity with Redneck stupidity.
"How can I break it better?"
89 Raider 3.0 w/ 31's for now
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Re: Transmission Question.
[Re: yankneck696]
#803186
04/06/07 03:19 PM
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Joined: May 2005
Posts: 49
OP
Getting the Wheeling Fever
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Thats all I wanted to know, thanks! Guys! <img src="/forums/images/graemlins/lol.gif" alt="" />
1990 LWB 3.0L With 33/12.50's K&N 251k Miles
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Re: Transmission Question.
[Re: yankneck696]
#803187
04/06/07 07:19 PM
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Joined: Feb 2004
Posts: 568
Rock Warrior
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Some of the above info is not quite accurate.
The only electrically-controlled part of a Gen I auto trans is the overdrive solenoid. Otherwise, it's all done through hydraulics in the trans. There is a TV cable to signal the "throttle position" to the trans, but again, it's a hydraulic/mechanical thing, not electric.
Tommy
90 LWB Montero, 270k, 265/75R16, 16x8 ARE Bajas, Budget Lift, Towbar, Aux Brakes (towed with camper), Jotto Desk, remote oil filter
92 bone stock base model beater
Parting out 4 more
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Re: Transmission Question.
[Re: TommyM]
#803188
04/07/07 12:17 AM
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Joined: Oct 2004
Posts: 6,332
Trail Leader
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I didn't notice the GenI sig line <img src="/forums/images/graemlins/shiner.gif" alt="" />
1990 Montero RS (In pieces... for now)
KG6VNX
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