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Sedans Toyota Camry 2007 Toyota Camry Transmission Questions
851 messages, Last post on Nov 01, 2009 at 2:21 PM
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Replying to: bohica223 (Aug 24, 2007 7:11 pm) |
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| There are even more problems with the 07 Camry transmission posted under "Toyota Camry Problems and Repairs" this website. | |
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Replying to: camryowner1 (Aug 25, 2007 5:55 am)  hotmail.com and I'll give you an address to send them to. If we all come together sooner or later Toyota will HAVE to address these problems.
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Replying to: bohica223 (Aug 25, 2007 6:41 am) While you're at it you might as well solicit service records of this same type from VW, Ford, Honda, etc, or even all marques that have FWD vehicles with automatic transaxles in their fleet. That way your arbitration meeting can adjourn, will be adjourned, almost before it starts since you will have proven that your car is NOT "unique" in "this" sense and therefore NOT a lemon! Your car cannot be proven to be uniquely a lemon if the problem you are experiencing is fleetwide, or in this case industry wide. |
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Replying to: bohica223 (Aug 25, 2007 6:41 am) hotmail.com
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Replying to: wwest (Aug 25, 2007 7:16 am) wwest is right when he suggests you visit the other forums. other toyota models with DBW have had people complaining about them. for a clearer picture, visit the NHTSA website. I don't think you'll find the complaint level consistent across makes. people owning toyota / lexus branded vehicles have been dealing with issues like this for some time. arbitration... i think the arbiters are paid by toyota. i think you signed certain privs away when you bought the vehicle. good luck. |
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Replying to: wwest (Aug 25, 2007 7:16 am)
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Replying to: bohica223 (Aug 25, 2007 8:52 pm) I think I have noted that the "flare" happens mostly after a "cold" start and basically doesn't repeat once the vehicle driveline, ATF, has warmed to operating level. And remember that when the ATF is cold it has less volume. ATF has WEIGHT and cost, $$$, the less you put into the transaxle at the factory you are better off from an engineering standpoint, FE, and from the beancounters standpoint. My suggestion would be that if you are experiencing the flare as above then while the engine/transaxle is cold, top off the ATF, only to the dipstick's cold measuring level, being careful NOT to overfill (at least not by very much). I think I have also read that before you start out COLD if you idle the car for 5-10 minutes the flare doesn't occur. Not suggesting anyone do this as anything other than a test. I think if I owned one of these and grew intolerant of the flare I would remove the transaxle sump and find a way to increase its volume just ever so slightly.
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Replying to: bohica223 (Aug 25, 2007 8:52 pm) If you restrict the issue to "flare" then I would agree. I was addressing the issue from the context of the 1-2 second downshift delay created by DBW to prevent premature failure of the transaxle. |
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Replying to: bohica223 (Aug 25, 2007 8:52 pm) there's shift flares, excessive shifting, vague shifting, hesitation, uncontrolled acceleration. have i forgotten some behaviors here? some have a greatly improved vehicle when the TSBs are applied, and some say the problems return later. so, there are probably a few factors at root cause here and not everyone is experiencing the exact same issue or issues. in my mind, because of the computer integration between engine and transmission control, we are left to speculate as to what is truly the cause. in the bigger picture, this speaks volumes to what is likely to happen as our vehicles (the make is irrelevant) become more and more complex, computerized, and sub-systems integrated in the name of fuel economy, safety, and parts longevity (now that's a good one). expect technicians and vehicle owners to be stupified by bizzare behaviors, and explainations provided by the manufacturer or dealers or technicians to be pithy, non-reassuring, inaccurate, or just plain wrong. expect customer-centric dealerships and their employees to be placed in awkward positions of having to state "cannot duplicate" or "operating as designed" or "they all do that" thus adhering to the party line as they await a highly scripted "fix" which can only come from the manufacturer. expect the fixes to involve complete sub-system change outs as traditional maintenance techniques will no longer apply; black box modules or sub-assemblies too technically rich for the dealerships to service themselves will have to be swapped out until the real problem is identified. expect long waits as part commonality among models result in shortages. anticipate that the criticality of software function requires a good deal of quality review and testing to assure no negative fuel economy, safety, parts longevity, or user expectation impact as new firmware is readied for deployment to the engine control and transmission control computers in our vehicles. expect we'll be forced more and more to be driven by our vehicles, rather than the other way around - being forced to adapt and change our driving style to match these "smart" "adaptive" technologies. expect our learned behaviors, some deeply adopted by our brains over the course of decades (of living and experience in other domains, or in the driving domain itself) to collide with these new behaviors. some of these behaviors will be artifacts of the systems being designed and tested by engineers without adherence and sensitivity to fundamental human factors / usability principles. we need an independant organization like the NHTSA agressively investigating claims when a trend surfaces. and we probably need more transparency on the part of manufacturers when the situation is calling for TSBs and "secret service campaigns" vs. recalls. we also need to know if and when an organization like the NHTSA is actively investigating complaints on a make and model. it's admittedly unfair that toyota seems to be under a microscope on the issue. they design and build products consumers what and find valuable; they are the ones with the expectation of quality; they have been proactive adopting these new technologies and bringing it to their product lines at price points we expect and accept; they are the segment leader in many respects. so their responsibility and ownership on issues like this must be elevated. they must be an exemplar. that's moving forward. |
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