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Honda Accord 2007

97 messages,  Last post on Aug 30, 2009 at 10:11 PM

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What is this discussion about? Honda Accord, Sedan


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#1 of 97
07 Auto Transmission, access to 4th gear? by yury
Jul 21, 2007 (4:54 pm)
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Hi, All
 
We looked at 07 Accord today (v6). It's all nice, bit i was confused by the shifter...i had D, D3, 2, 1 positions....
There's no D4? Whats't up with that? All automatics in all the cars i ahve seen give you the number of positions equal to the number of gears...or have paddles, or buttons of some kind?
 
On my 4sp auto I like downshifting one gear down on some ramps, helps with stability....
 
What's the explanation here? Of all gears I would think one before the last will be the most used for most situations...
#2 of 97
Re: 07 Auto Transmission, access to 4th gear? [yury] by elroy5
Jul 21, 2007 (5:10 pm)
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Replying to: yury (Jul 21, 2007 4:54 pm)

I don't know why they don't have 4th on the shifter, but if you push the accelerator down, it will downshift pretty easily. It doesn't take much gas pedal movement to get down to 4th, unless you're already going 90mph.
#3 of 97
Re: 07 Auto Transmission, access to 4th gear? [elroy5] by yury
Jul 21, 2007 (5:19 pm)
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Replying to: elroy5 (Jul 21, 2007 5:10 pm)

on my commute I have a ramp from one highway from another below it. the ram is tricky, the turn tightens up unexpectedly....so when approaching i force it down to 3rd (i got a 4 speed malibu now)....if I don't force it i don't see a way how to keep it from upshifting on the ramp.
#4 of 97
Re: 07 Auto Transmission, access to 4th gear? [yury] by elroy5
Jul 21, 2007 (5:45 pm)
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Replying to: yury (Jul 21, 2007 5:19 pm)

Maybe you could try D3 in that instance, and it would work. What speed are we talking about here? I think I would try it, if the speed is not more than say 60-70mph.
#5 of 97
Re: 07 Auto Transmission, access to 4th gear? [elroy5] by yury
Jul 21, 2007 (5:54 pm)
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Replying to: elroy5 (Jul 21, 2007 5:45 pm)

well the approach spee when i shift down is 55-60...the ramp cab be done at 55, but that's pushing it a tad.
 
i am just trying to undesrtand rationelle here....are they trying to say that because tha 4th and 5th are so close together downshofting to 4th simply would make any significant difference?
 
i drove an 07 Altima with CVT and 6 ratio paddle shift...i got the impression that gears are too close for manual control, you most likely woul have to tap down twice....but i might be wrong.
#6 of 97
Re: 07 Auto Transmission, access to 4th gear? [yury] by elroy5
Jul 21, 2007 (8:19 pm)
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Replying to: yury (Jul 21, 2007 5:54 pm)

are they trying to say that because tha 4th and 5th are so close together downshofting to 4th simply would make any significant difference?
 
That is probably the case, but I'm not positive. It doesn't seem like putting 4th gear on the shift position selector would be difficult. I would try downshifting to D3 at a lower speed first, to get a feel for it. I don't think 60mph would be too high a speed to do it. If it kicks down too hard, just don't do it again.
#7 of 97
Re: 07 Auto Transmission, access to 4th gear? [elroy5] by yury
Jul 21, 2007 (8:50 pm)
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Replying to: elroy5 (Jul 21, 2007 8:19 pm)

i dunno. did some calculations.....
on a Pontiac Vibe 5 speed manual I used to go through that curve on 4th and it felt like the right gear. Keeping in mind the gear ratios and final drive i ended up with the ratio of 3.5066.
 
with the Accord the same calculation yielded 4.5186.
 
i also compared the jumps in ratio between 5th-4th on Vibe and D3 and D on Accord. the gap was 3.5 times wider on Accord...(duh, 2 gears vs one) ! Looks like it would rev up way too much.....unacceptable.
 
however i am having hard time believing that Accord, supposedly "the drivers car" did that to the driver. Sounds pretty bad. Some cars have a separate overdrive off button that makes up for the lost position on the shifter...and with D to D-1 being the most useful kick down it is actually easier to use than the shift lever and all sounds pretty logical.
And here, on a decent car they go ahead an get rif of it? just doesn't make sense!
 
so i guess....unless someone finds the overdrive switch somewhere i will not be buying the Accord. Which is a bummer, cause i like it otherwise.
#8 of 97
Re: 07 Auto Transmission, access to 4th gear? [yury] by elroy5
Jul 22, 2007 (5:24 am)
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Replying to: yury (Jul 21, 2007 8:50 pm)

The Accord has a larger engine than a Vibe, and the shift down to D3 would not be as dramatic as you think it would be. I would try it in my 03 Accord, but it's a V6, and would not be the same, I suppose. Heck, I'll try it anyway.
#9 of 97
Re: 07 Auto Transmission, access to 4th gear? [elroy5] by yury
Jul 22, 2007 (5:43 am)
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Replying to: elroy5 (Jul 22, 2007 5:24 am)

i am looking at V6 if i was looking at 4 i would just get a stick
 
btw here's the final ratio (gear ratio by the final drive ratio) comparision for V6 with auto and V6 in a 6 sp manual 07 coupe:
 
Auto:
 
1st gear 11.3408
2nd gear 6.7336
3rd gear 4.5186
4th gear 3.2339
5th gear 2.3036
 
6 speed:
 
1st 12.9297
2nd 8.1921
3rd 5.593
4th 4.1125
5th 3.2242
6th 2.5333
 
so basically we end up a little lower than the 4th on the 6 sp.
 
on the vibe it would be equvalent to somewhere between 4th and 3rd a bit biased towards the 3rd.
 
however the VTEC engine is generally higer revving than a non-VTEC. Even the V6 has redline hugher than vibe's 4.
 
i still don't know, we're still missing a gear.
what's the usage for D3 according the owvers manual?
#10 of 97
Re: 07 Auto Transmission, access to 4th gear? [yury] by yury
Jul 22, 2007 (7:27 am)
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Replying to: yury (Jul 22, 2007 5:43 am)

did more calculations....Accord V6 with auto at 3rd at 100 km/h (62 mph) sould rev at 3698.2 rpm.
same for the Vibe: 3024 at 4th and 4458 at 3rd.
 
i hope i didn mess up the math.
 
so it's a bit high....however the car is heavier plus i don't know what's the difference in engine braking with this v6 and vibe's 4.
 
on 4th that we're missing here the V6 would rev at 2648. which may be on the lower side for this car.

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