Honda Accord VCM

2715 messages,  Last post on Oct 23, 2012 at 6:25 PM

You are in the Honda Accord Forum.

What is this discussion about? Honda Accord, Transmission, Sedan

#877 of 2715 Re: Reply from Honda [parviz] by sunnfun

Feb 24, 2008 (6:43 pm)

Replying to: parviz (Feb 24, 2008 6:14 pm)
Feel free to browse the Odyssey board or any other Honda board on here. There you will read about other "non-VCM' issues that have been returned to the dealer only to get the standard line "I can't find anything wrong". That added with my own experience backs up what I said. Having had 4 Accords and 1 Civic starting back in 1991 gives me alot of experience with Honda, I think. I am finding the early Accords were great, and each version since then has gotten a little worse until now. I do accept some blame for this. After the debacles with my current 2001, I swore I would never buy another Honda but I did not listen to myself. And since it takes a lawsuit to get Honda to do anything, I am on their A$$ this time and I will tell anyone who is looking at this car what I have been through and to think twice.

#878 of 2715 Re: Reply from Honda [sunnfun] by isellhondas

Feb 24, 2008 (2:06 pm)

Replying to: sunnfun (Feb 24, 2008 6:43 pm)
I disagree. I think they keep getting better. . As bitter as you are, you should probably cut your losses and buy something else.
 
I hope you are able to find the perfect car.

#879 of 2715 Re: VCM = losing my business [viet] by itochu

Feb 24, 2008 (2:48 pm)

Replying to: viet (Feb 24, 2008 6:08 pm)
"Potiential buyers can check with Parviz, Mcpdjohn, Hank119 and myself, etc to get honest positive feedback on this car."
 
I see - so all the others with problems are lying? Again, you make my point about their being attacked. And you prove their point. No Honda for me..

#880 of 2715 Re: Reply from Honda [isellhondas] by viet

Feb 24, 2008 (7:50 pm)

Replying to: isellhondas (Feb 24, 2008 2:06 pm)
I agree with Isellhondas. Honda are getting better and better to keep up with technology such as greatly voice activated navigation, MP3, CD, DVD, bluetooth handfree link, VCM, VSA, ICE, TC, CRUISE CONTROL, rear multi link, electronic distributed brakes, brake assist, more HP with less fuel consumption, better MPG, uni-body structure, no more exposed radio antenna, roomier interior, "much more bang for your buck", etc. These are only a few things among many other fine features.
 
There are tons of new exciting things in new Hondas. Buy a top Honda and you get many things that are highly competitive with other makes of same class. Honda offers excellently top notched engineering. Honda automobiles are true pieces of sophisticated engineering and also fine pieces of art. Everything in a Honda is well thought out, balanced, in perpective, appealing and functional. I have been driving Honda motorcyles and cars for over 43 years. I feel more comfortable driving a Honda than driving another piece of crap that looks like a "big box but no soul".
 
In short, if Honda cannot compete it will be ousted out the car manufacturers market tomorrow just like GM with 42 billion dollars loss last year inside struggling Big 3. Honda still makes good profit. Bravo Honda's smartest engineers, management and salemen including ISELLHONDAS. Let me give Isellhondas a warm hug and a kiss on his cheeks. I heard Saturn is going to put Honda engines inside their "boxes" to build new Saturns soon.

#881 of 2715 Re: Reply from Honda [viet] by rodiron620

Feb 24, 2008 (8:15 pm)

Replying to: viet (Feb 24, 2008 7:50 pm)
There is nothing "better" about VCM. the Odysees have had issues with it and now the new 08 accord. Its has a design flaw if it wasn't I dont think i would have had Honda tell me they "are aware of the problems with the VCM, its a new design and we are working on it" that doesnt sound to me like a vote of confidence. btw, spoke to Honda Customer relations again Friday pm and they repeated this statement. read the articles surfacing and the increased concerns and all one has to do is realize something is not right.
 
Its a drag, and a dissapointing concern with some V6 accords. again for those that are not having issues perhaps start you own forum about how much you love it.. those of us that dont and continue to have problems will continue to post here and everywhere to educate prospective buyers to be cautious and to share experiences and ideas to resolve.
 
Sorry, but Honda took a terrific smooth running V6 accord and (in my opinion) added tons of great features , bells and whistles but missed the boat with the engine 6 accords prior and every single one of them was smooth and basically service free with the exception of regular maint. This car (as well as others) has been in the shop almost constantly since November with no fix identified yet.

#882 of 2715 Re: Reply from Honda [rodiron620] by cstiles

Feb 24, 2008 (3:54 pm)

Replying to: rodiron620 (Feb 24, 2008 8:15 pm)
Folks...this board has devolved into about 10 people screaming at each other. 5 people screaming "Honda sucks!" and 5 people screaming "Honda is great!"
 
Tastes Great! Less Filling!
 
If we don't have any new facts or developments to share, let's stop repeating the same posts ad nauseum. We KNOW you hate VCM. And we KNOW you think VCM is pretty cool.
 
Please come back when you have some new facts or developments to share with the group! Okay?
 
Speaking of new facts....Honda first introduced VCM back in 2003 when it was available on the JDM Honda Inspire. So the system now has 5 years of history and a lot of testing and real world mileage. As much as we want to call it new technology, it has been around the block as far as Honda is concerned. There is even a Wikipedia entry for Honda Variable Cylinder Management....
 
In addition to low fuel consumption, the VCM engine also reduces exhaust emissions, helping meet govt Ultra-Low Emissions and 2010 fuel consumption standards, making it eligible for preferential 'Green Tax' treatment. The engine achieves this by combining high-density catalytic converters located directly below each cylinder head for further improved exhaust gas processing at low engine temperatures with better air/fuel ratio control.
 
VCM continuously analyzes throttle opening, vehicle speed, engine speed, and gearing to determine that the car is cruising, and then idles the intake and exhaust valves of the three cylinders in the rear cylinder bank. With zero valve lift, the cylinders are sealed, and no fuel is injected. Pumping losses are thus reduced by as much as 65% and low fuel consumption is realized.
 
When operating in 3-cylinder mode, engine vibration is reduced by extrapolating vibration from the change in crankshaft rotation speed and sending the information to the 'active control' engine mount, which compresses/extends an actuator in same-phase, same-period motion to dampen the engine mount. Similarly, a speaker creates an opposite phase sound or 'active noise control', to provide a cancelling effect, for a quieter interior which leaves the driver unaware of changes in cylinder activation.

 
It seems to me that if a driver learns to pay close attention (and is also aided by the ECO light), he/she can certainly tell when cylinder (de)activation occurs. It's more than likely that any excessive vibrations are indeed a malfunction in the particular unit, rather than a broad design defect as some have suggested.
 
For those having issues, please continue to work with your Honda dealer, and let us know if you get any satisfaction or resolution.
 
Tastes Great! (LOL)

#883 of 2715 Re: Reply from Honda [cstiles] by parviz

Feb 24, 2008 (4:31 pm)

Replying to: cstiles (Feb 24, 2008 3:54 pm)
.... dittos

#884 of 2715 Re: Reply from Honda [parviz] by viet

Feb 24, 2008 (10:09 pm)

Replying to: parviz (Feb 24, 2008 4:31 pm)
One who does not like ECO light flashing on & off can use a very small piece of duck tape to stick it on ECO light to "shut it up"

#885 of 2715 Re: Reply from Honda [viet] by parviz

Feb 24, 2008 (10:24 pm)

Replying to: viet (Feb 24, 2008 10:09 pm)
I think that would be a little unsightly! I can see some people getting addicted to looking at it and kind of following its operation. I know I did that for awhile, not that it bothered me going on and off. We should just try and keep our eyes on the road and just glance at the instrument panel once in a while.

#886 of 2715 Re: Reply from Honda [rodiron620] by blufz1

Feb 24, 2008 (11:15 pm)

Replying to: rodiron620 (Feb 24, 2008 8:15 pm)
This issue is a bad engineering idea (3 cylinder operation) that somehow made it to production. I would think that virtually all the engines are properly put together. Some drivers just notice the engine behavior more than others. IMO if Honda had to develop special motor mounts to tune out the 3 cylinder vibrations then that's a bad engineering decision. I don't want an engine that is caused to vibrate more than necessary. Combine that with the fact the non VCM manual coupes are obvioulsly smoother, quicker than the VCM engines and I don't want no VCM!
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