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Is there an intermediate kickdown in overdrive in '89 Cressida?
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#11
 
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Re: Is there an intermediate kickdown in overdrive in '89 Cressida? -
11-23-2005
, 11:27 PM
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"Ray O" <rokigawa (AT) tristarassociatesDOT (DOT) com> wrote: "Doc" <docsavage20 (AT) xhotmail (DOT) com> wrote in message news:Ow5hf.4678$wf.4107 (AT) newsread3 (DOT) news.atl.earthlink.net... "Gary L. Burnore" <gburnore (AT) databasix (DOT) com> wrote in message news:dm2jbj$8d9$1 (AT) blackhelicopter (DOT) databasix.com... It's not intermediate. It really is just going back into plain-old third gear. It's definitely not going out of OD into 3rd, it's far more subtle than that. I believe other responders have probably id'd it correctly as related to the torque converter. Rather than trying to decide whose wild guess is correct or incorrect, it is very easy to tell for yourself. Pushing the overdrive button will drop the transmission down to 3rd gear. Ok Ray, so the 'overdrive' is merely 'another higher sped' gear in the transmission is it?...has nothing to do (directly) with the torque converter? |
3rd; TC unlock and shift to 4th (A.K.A. overdrive), TC lockup in 4th.
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If you want to unlock the torque converter while at a steady cruise, tap the brake pedal just enough to make the brake lights come on. Having the brake lights come on will trick the transmission ECU into unlocking the torque converter. You should see about 100 to 200 RPM increase with the torque converter unlocked. |
turning more slowly than the engine so it takes a lot more torque to
accelerate. To accomplish this, the TC unlocks to allow the TC to develop
torque multiplication, kind of like twisting a rubber band, and if more
torque is needed, then it downshifts to 3rd or 2nd, depending on vehicle
speed and throttle position.
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Ok, thanks... -- -Gord. (use gordon in email) -- |
correct the return address punctuation to reply
#12
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Rather than trying to decide whose wild guess is correct or incorrect, it is very easy to tell for yourself. Pushing the overdrive button will drop the transmission down to 3rd gear. |
it was comparatively very different than what I'm experiencing.
#13
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"Ray O" <rokigawa (AT) tristarassociatesDOT (DOT) com> wrote: "Doc" <docsavage20 (AT) xhotmail (DOT) com> wrote in message news:Ow5hf.4678$wf.4107 (AT) newsread3 (DOT) news.atl.earthlink.net... "Gary L. Burnore" <gburnore (AT) databasix (DOT) com> wrote in message news:dm2jbj$8d9$1 (AT) blackhelicopter (DOT) databasix.com... It's not intermediate. It really is just going back into plain-old third gear. It's definitely not going out of OD into 3rd, it's far more subtle than that. I believe other responders have probably id'd it correctly as related to the torque converter. Rather than trying to decide whose wild guess is correct or incorrect, it is very easy to tell for yourself. Pushing the overdrive button will drop the transmission down to 3rd gear. Ok Ray, so the 'overdrive' is merely 'another higher sped' gear in the transmission is it?...has nothing to do (directly) with the torque converter? If you want to unlock the torque converter while at a steady cruise, tap the brake pedal just enough to make the brake lights come on. Having the brake lights come on will trick the transmission ECU into unlocking the torque converter. You should see about 100 to 200 RPM increase with the torque converter unlocked. Ok, thanks... -- -Gord. (use gordon in email) |
#14
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