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Honda Accord CVT Problems



  • rodutrodut Posts: 343
    I rewrote my post. Read it again. Yes, colder cylinders wear faster. The keyword is "friction". It's like sex. At cold there is a lot of friction. As things get heated up, the cylinder gets dilated, so the friction drops a lot (wider cylinder, and better lubrification). Less effort required, so lower gas consumption. Also less wear. I hope you got it now.

    About the valves I agree with you. When disabled, they do nothing.
  • Rodut, thanks for your additional insight. I wasn't aware that the 6th speed of the 6 speed gear box is exactly the same ratio as the former 5th speed of the 5 speed older gear box.

    Coincidentally, and without having the benefit of your insight, I have been skipping 5th and going from 4th to 6th, in view of no real appreciable difference from 4th to 5th. i guess I could just feel it. I, too, am in the 99.9% that never go racing, so while the close ratios are neat, they are lost on my driving style. :)
  • dudleyrdudleyr Posts: 3,426
    Yes I wish 6th was taller. A short 6th does nothing to help acceleratiing. After all if you are racing and taching out in 5th you are over 120 mph is a taller 6th really going to be a problem?

    I think part of the problem is cruise control. They don't want the car to seem weak by needing the occasional shift up steep hills, so they gear it so it won't need one.

    While the ratio may be the same as the 8th gen, it is a little taller than my 7th gen - about 130 revs at 60 mph lower.

    While I agree the transmission is very good, my 7th gen feel like it has about half the effort. 9th gen feels a little clunkier. Hopefully that is just because the 7th gen has 161k miles of breaking in.
  • rodutrodut Posts: 343
    edited March 2013
    I agree. The 9th gen (year 2013) and the 8th gen (2008-2012) has identical ratios on the last gear (the 6th speed of the 6 speed gearbox, or the 5th speed of the 5 speed gearbox). Specifically at 100 Km/h (63mph) the engine stays at about 2,340 RPM.

    But the previous generations (your 7th gen, and my 2001 so 6th generation) at 63mph ran at 2,500 RPM, so the last gear was a bit shorter. It's good they made the last ratio longer in 2008. It's a pity they didn't make it even longer in 2013 (especially after going through the trouble of switching to a 6 speed gearbox).

    Obviously this discussion applies to manual transmissions only. Automatics have a longer last ratio (which is the only thing I like about automatics).
  • dudleyrdudleyr Posts: 3,426

    My cars are nowhere near those numbers. The 7th gen is 2380 rpm at 60 mph and the 9th gen is 2250 rpm at 60 mph. Which would make them 2,975 and 2,813 rpm respectively at 75 mph.

    I always use 60 mph (and most mags as well) for comparing rpm since at that speed revs per mile and revs per minute are the same. You could also just use revs per minute in top gear then it does not matter what speed you are talking about.

    VW had an interesting solution to this in the 80's they called it 4 + E. 5th gear just said E and was a double overdrive. 4th was overdrive and 5th was a second overdrive. The car hit top speed in third gear (98 mph). It wasn't super tall like some cars, but for a 74 hp Quantum, 2100 rpm at 60 mph is about as relaxed as you want to go.

    Anyway the thinking behind calling it E for economy was that then people wouldn't consider it a normal gear, just something for faster highway cruising. Would love it if the Accord had something like that. I would have been perfectly fine with the same 5 gears as the 7th or 8th gen and a real tall 6th gear. Another problem is the super tall gear would never be used in the EPA test (they might not even use 6th as it stands now) so while it would help a lot in real world mpg it would do nothing for the ratings.
  • rodutrodut Posts: 343
    You are right. I fixed my previous post. It's correct now.
    I had screwed up the conversion Km/h to mph. Our numbers are proportional now. (100 Km/h is ~63 mph, not 75 mph !!!)

    Here in Canada we use 100 Km/h. Canadians ...
  • dudleyrdudleyr Posts: 3,426
    OK - that makes sense.

    Had me going for a bit. Canadians get more MT models as is, not fair if they also get better gear ratios. :)
  • rodutrodut Posts: 343
    LOL ! Funny !
  • fair2usfair2us Posts: 26
    trainingwheels: Please contact Honda's Customer Care center about your experience with the 2013 Accord. I don't know if you have seen any of my previous posts, but I have been trying since November 2012 to get the Honda Corp. to acknowledge, whether they have a solution or not, that issues with this generation Accord need to be addressed. Especially the car hesitation or stuttering, which is an ongoing embarrassment for those forced to deal with it.

    American Honda Motor Co., Inc.
    Honda Automobile Customer Service
    1919 Torrance Boulevard
    Mail Stop: 500 - 2N - 7A
    Torrance, CA 90501-2746
    By Phone: 1-800-999-1009
    By Fax (310) 783-3023 (24 Hours)

    I know it takes time to write a letter or pick up the phone, but I can't type you in words how much other Honda Accord owners appreciate your effort.
  • fair2usfair2us Posts: 26
    van123: Did you trade in your 2012 Camry SE? I am surprised to see that you chanced the 2013 Accord after reading your previous posts.
  • ar39ar39 Posts: 61
    There is a software update available at the dealer. Didnt you get a letter from Honda yet?
  • marcus216marcus216 Posts: 78
    I bought my Accord EXL v6 about a month ago and just hit 1,000 miles. I have not experienced your hesitation/stutter issues, nor any transmission issues, but I have experienced the radio distortion issue. It has happened to me about 6 or 7 times and the only way to cure it is to turn the car off and then on again. That "resets" the audio system and the distortion is gone. There is a new software update for the HondaLink. I just received a letter from Honda asking me to make an appointment with the dealer and get the update. I will do that next week. I hope this solves the occasional radio distortion issue. I also have had an occasional situation where the Sirius XM does not show the station names on the small screen. Again, turning the engine off and on again solves this. I am also hoping the new software update will solve this issue.
  • dudleyrdudleyr Posts: 3,426
    The software update is supposed to solve those issues.
  • fair2usfair2us Posts: 26
    In response to: "There is a software update available at the dealer. Didnt you get a letter from Honda yet?" Which issue are you referring to? The update is to fix what?
  • fair2usfair2us Posts: 26
    Which issue are you referring to? The update is to fix which of the issues that I posted?
  • ar39ar39 Posts: 61
    The letter didnt specify fix for any problem in particular. But, the slow (buggy) navi menu is faster after the update. Also, music streaming from my cell phone via blutooth was intermitent and looks like the update fixed that as well. I experienced bad/noisy audio only once and cannot comment on that. Apart from the mentioned annoyances, my touring has been trouble free.

    Hope this helps.
  • marcus216marcus216 Posts: 78
    Since I originally read you post, I started paying more attention to your experience of a hesitation around 1700 RPM. And I do experience the same thing and I believe it is the transmission downshifting. Now that I am paying attention, the transmission in this car does considerable downshifting and upshifting, especially around that RPM mark. If I am going about 40 mph and I let off the accelerator, the transmission will down shift as the car decelerates just a few MPH. I have no idea if this is related to the VCM or it is just how the transmission is programed. I feel it and can see the tach spike a bit. It does not annoy or bother me, but I don't remember any other automatic transmission cars that I have owned or driven downshifting so frequently with just a small deceleration. It is interesting. I have to take my Accord EXL V6 in for a HondaLink software update. i will speak to the service manager about the frequent downshifting.
  • daneeldaneel Posts: 19
    Marcus216, the 2013 Honda Accord EX-L V6 comes with a 6-speed automatic transmission, NOT a CVT.
  • stickguystickguy Posts: 14,163
    blame the EPA. that is how Honda (and every other maker) gets the big MPG #s. it is a 6 speed that tries to get into 6th before you are off your driveway. SO at 1700 RPM it is essentially lugging, so lots of downshifting, plus you have the torque converter locking in and out.

    the VCM just adds another little wrinkle.

    Now, I have the same basic drivetrain in an RDX, and yeah, it often has to downshift around town, but I expect it and don't find it objectionable. Especially when I floor it and get slammed back into the seat!

    2013 Acura RDX (wife's), 2007 Volvo S40 (when daughter lets me see it), 2000 Acura TL (formerly son's, now mine again), and new Jetta SE (son's first new car on his own dime!)

  • I got the Honda Accord V6 - 2013. This is my first Honda which I've heard very good things about!

    I was offered a Honda Maintenance Program for about $900-1,000 upfront. This will allow me to get oil changes and my maintenance checks at 15, 30 and 45K at any Honda service location. Do you think this is worth it?
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