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Automatic Trans. Questions

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Old 06-16-2002, 02:39 PM
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Automatic Trans. Questions

I have a 2K2 automagic, tragic, pelagic, whatever you may call it. However, I get bored when I'm not in traffic around LA, which is rare, and like to start in 2, upshift to 3, and if I pick up enough speed, go to D. Is this bad for the car? Should I be leaving it in D more often? I'd say I do this about 20% of the time.... Just searching for opinions on the subject. No high RPMS though, I shift through just like I'd do on my old manual tranny. Thanks for the input!
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Old 06-16-2002, 02:51 PM
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If i'm not mistaken, leaving it in 2 will actually make you start at 2nd gear (bypassing 1st gear). I could be wrong on this one though.

In any case, manually shifting it shouldn't be bad at all given you're just telling the computer when you want to shift. It's not any worse than just smashing on the pedal hoping for the ECU to figure out that you want to downshift.

In city driving i normally leave it in 3rd and slide to D when the coast is clear. For highways, upon entering i leave it at 3 and once cruising i slide to D. Goes back to 3 when passing.

Read up other stuff i posted here
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Old 06-16-2002, 03:01 PM
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I don't know about other years, but on my 2K2, 2 uses both gears 1 and 2, unless I'm going crazy. There is a shift that takes place once when I leave it in two. Thanks for the rest of the input though, I feel better now.
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Old 06-16-2002, 03:50 PM
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ya u are correct, when u start in 2 it goes through 1st and then shifts into 2nd.
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Old 06-16-2002, 08:49 PM
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Originally posted by soundmike
If i'm not mistaken, leaving it in 2 will actually make you start at 2nd gear (bypassing 1st gear). I could be wrong on this one though.
Owned a Ford, didja?

Ford AT's do that. Others might too, but I haven't owned one of those...

Good for slippery starts, like in snow.
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Old 06-17-2002, 03:03 AM
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My Accord V6 started in 2nd when you put it in 2. Annoying as hell in traffic when you want 1 AND 2 but just don't want it to go up to 3rd.

It was helpful in the snow, though
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Old 06-17-2002, 07:51 AM
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Originally posted by SteVTEC
My Accord V6 started in 2nd when you put it in 2. Annoying as hell in traffic when you want 1 AND 2 but just don't want it to go up to 3rd.

It was helpful in the snow, though
i came across a problem at the track shifting...when i did something started to smell BURNT real bad after a couple runs. It didn't happen when i left it in D. I'm assuming this was because i was near-redlining the gears but could become a problem so i just leave it in D now for normal driving.

Chung-Hsien
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Old 06-17-2002, 09:43 AM
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when u manual shift an auto, u actually force a gear to pop into another....where as manual has clutch to separate the gears and put it back when u let it go.

so is it bad if u manual shift an auto? I think so...
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Old 06-17-2002, 10:24 AM
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Originally posted by [maxi-overdose]
when u manual shift an auto, u actually force a gear to pop into another....where as manual has clutch to separate the gears and put it back when u let it go.

so is it bad if u manual shift an auto? I think so...
uhm..Lots of Experts have different opinions..
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Old 06-17-2002, 10:24 AM
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That makes some sense, well actually it doesn't. Shouldn't me moving the gearshift from 2 - 3 just shift up like it would if the computer told it to? I could understand downshifting into 2 or 1 being a problem, but I only upshift from 2 - 3 - D and sometimes down from D - 3. Anyone else, I'd really like to figure this out before I do damage to my ride.
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Old 06-17-2002, 10:31 AM
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How funny...I do the same thing as well and I was always curious on that shifting crap. When I'm bored on the street, I usually upshift manually 2-3-D. I never downshift though. Then somtimes I go from D-3 or 3-D. I am also curious if this damages your tranny or anything vital, cause if it does, then I better stop doing it. Any experts here to tell us?
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Old 06-17-2002, 06:26 PM
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Anyone else with some input on this?
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Old 06-17-2002, 06:35 PM
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Re: Automatic Trans. Questions

I do the same thing. I raced few times when I shifted from 1 to 2 and I get a jerk. Same thing from 2 to 3 but not as much. I dont think that this is good for the tranny but I only do it when racing other cars.
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Old 06-18-2002, 06:35 AM
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Originally posted by Neal728
Anyone else with some input on this?
Manual shifting an auto isn't... or shouldn't be... hard on it. The only thing I can think that would be harmful is revving the engine harder than the TCM would normally let it.

But that's the reason I do it... I want to keep the tranny in a lower gear entering a corner, when I'm off throttle, braking and the TCM would say "up shift". I want the lower gear and higher engine speed to accelerate out of the corner without waiting for the down shift as the throttle is mashed. Doesn't a 2k2 have a gated shifter to make manual shifting easier? I really wish my 2k1 did.

When you shift an auto you aren't actually meshing gears like a manual gear box, you're basically signaling the transmission it's OK to start a shift. If the TCM agrees, i.e., engine speed and throttle position is right, then it will shift the transmission by actuating solenoids in the valve body. If it doesn't agree, it won't shift.

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Old 06-18-2002, 09:24 AM
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Originally posted by BuddyWh


Manual shifting an auto isn't... or shouldn't be... hard on it. The only thing I can think that would be harmful is revving the engine harder than the TCM would normally let it.

But that's the reason I do it... I want to keep the tranny in a lower gear entering a corner, when I'm off throttle, braking and the TCM would say "up shift". I want the lower gear and higher engine speed to accelerate out of the corner without waiting for the down shift as the throttle is mashed. Doesn't a 2k2 have a gated shifter to make manual shifting easier? I really wish my 2k1 did.

When you shift an auto you aren't actually meshing gears like a manual gear box, you're basically signaling the transmission it's OK to start a shift. If the TCM agrees, i.e., engine speed and throttle position is right, then it will shift the transmission by actuating solenoids in the valve body. If it doesn't agree, it won't shift.

BuddyWh

UHM.. I agree 110% with you!
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Old 06-18-2002, 11:16 AM
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Thats makes me feel a bit more comfortable.
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