- #4588 of 4942
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Re: 07 Camry Problem [dmathews3]
by wwest
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Sep 17, 2008 (6:26 pm)
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Replying to: dmathews3 (Sep 17, 2008 10:17 am)
No, historically the OD lockup clutch was only used in top, OD, gear.
Apparently someone came to the realization, FINALLY, that the OD clutch could be used to increase FE even in the lower, non-OD, gear ratios.
Oh, and for the V6's with 6 speeds oftentimes two of the top gears are OD.
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- #4589 of 4942
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Re: 07 Camry Problem [wwest]
by 650spx
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Sep 18, 2008 (4:55 pm)
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Replying to: wwest (Sep 17, 2008 6:26 pm)
You are correct that now lock up get's used more than it did in the past, but this toyota trans has 6 solid gears in camry and 8 in the lexus It can have 9 total gears with out using the converter lockup. It is pretty neat how it works. I wish I could give you the spec sheet and more paper information.
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- #4590 of 4942
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Re: 07 Camry Problem [650spx]
by wwest
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Sep 19, 2008 (8:48 am)
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Replying to: 650spx (Sep 18, 2008 4:55 pm)
Don't need specs/paper as I have access to techinfo.toyota.com....
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- #4591 of 4942
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Re: 07 Camry Problem [wwest]
by 650spx
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Sep 19, 2008 (3:48 pm)
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Replying to: wwest (Sep 19, 2008 8:48 am)
Thats expensive unless you work for a shop or know someone.
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- #4592 of 4942
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Noise when turning wheels at zero or very low speed
by silverbullet10
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Sep 21, 2008 (1:25 am)
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My car is a 2007 camry LE 4 cylinder automatic.
I notice that during past summer (when AC was almost full blast), as I was searching for parking, everytime I turned the steering wheel either when the car is stationary or slowly rolling, there's this whining noise from the front. After that, even as the AC is turned off, the whine still persists, especially when going in/out of my garage. A couple of weeks later during regular oil change, Toyota service dept told me that the power steering fluid is dirty and needs flushing. I'm quite surprised as I never changed my powersteering fluid in my previous car (Accord), and it's not mentioned in the Camry regular maintenance schedule. Does anybody else hear the same problem with their Camry? Is this whine normal, or is that a sign that there's something wrong with the power steering system? The car only has 24k miles in it.
Thanks in advance for the replies.
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- #4593 of 4942
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Re: Noise when turning wheels at zero or very low speed [silverbullet10]
by dwb2
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Sep 21, 2008 (5:11 am)
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Replying to: silverbullet10 (Sep 21, 2008 1:25 am)
You may have a problem with either the p/s pump or steering rack. As far as changing the p/s fluid is concerned, it is only a sales pitch to drum up work. If you stick with the recommendations in your service manual you will be fine. Make the dealer look for the problem. If they insist the fluid change will work, ask them if you will have to pay for it if it doesn't. Then watch the moonwalk from the advisor. I'm a former toyota service mgr, I know what happens. The advisor is paid on what he sells the customer. The rest should be easy to figure out. If he presses the issue, ask why toyota doesn't have it listed as a recommended service, again watch moon walk.
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- #4594 of 4942
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Re: Noise when turning wheels at zero or very low speed [silverbullet10]
by prowler161
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Sep 21, 2008 (7:56 am)
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Replying to: silverbullet10 (Sep 21, 2008 1:25 am)
A vehicle with this mileage should NOT need to have the power steering fluid changed. My guess is that the fluid was contaminated for a reason. Reasons include possible steering pump failure, the power steering fluid fill cap was left off, or a non dealer did an oil change an topped off the fluid with the wrong P.S. fluid. I have a 2007 Camry SE 6 cylinder and I have never changed the fluid with 40 thousand miles on it. Steering at low speed will put the highest load on the steering pump and engine that is why you are hearing this at slow speed. Changing the fluid is a good thing, but keep an eye on it, there is a reason it is contaminated at this low mileage.
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- #4595 of 4942
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RPM Flare?
by prowler161
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Sep 21, 2008 (8:19 am)
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I have RPM flare but I do know this. I cannot drive the 2007 V6 Camry SE after my wife drives it. This transmission is a leaning transmission and I drive way different then my wife does. This is the first vehicle I have owned like this. When I drive the Camry the transmission does NOT know what to do at all. I am a more aggressive driver and I will punch it to get on the freeway, and will use horsepower to change lanes in traffic on side streets. I like to take off quick and then let off the accelerator. When I do such maneuvers the RPMs will flare after I let off the accelerator. I would need to do a computer reset after my wife drives every time to prevent this. At this point the computer and transmission will have to relearn my driving habits and will adjust accordingly. I just have my wife drive the car or when I drive I baby it. I will stick to my manual 6 speed Civic SI. You can replace the computer and transmission a hundred times and you will not fix anything. This is how the vehicle is, if you do not like it, then another vehicle will have to do. The Accord is a great choice, other then the poorly designed body. I am not a fan of the overall design.
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- #4596 of 4942
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Re: RPM Flare? [prowler161]
by wwest
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Sep 21, 2008 (9:12 am)
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Replying to: prowler161 (Sep 21, 2008 8:19 am)
How long, or how far, must you drive before the transaxle doesn't flare...?
Or does it stop flaring once the engine and transaxle fluids have warmed to full operational temperatures as have many posters have stated..??
As a general rule the specific driver style parameters that the engine/transaxle ECU "learns" are erased each and every time you start the engine. Thinking of the rental fleet wouldn't you agree to do otherwise would be somewhat idiotic..??
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- #4597 of 4942
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Re: RPM Flare? [wwest]
by prowler161
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Sep 21, 2008 (10:50 am)
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Replying to: wwest (Sep 21, 2008 9:12 am)
wwest....?? I have RPM flare at all times no matter what fluid temperature. This is common on this vehicle. Weather or not we are describing the same condition would be hard to distinguish as I have not driven any one else’s vehicle. I also find your post to be argumentative as I was simply stating my experience with my vehicle as a trained and certified automotive technician. The parameters you speak of, being reset every time the drive cycle stops and then is started again is unheard of. As your transmission and your ECU learn your drive style adapting to your acceleration via your TPS sensor, adjusts shift points and strives for optimum fuel economy based on your throttle position. This allocates your fuel and air mixture accordingly. If you constantly baby you car with very little throttle from every light and stop sign your learning transmission will lean this and your shift point will be made at lower RPM thus increasing fuel economy. The opposite will happen if you hit the throttle every time you drive. Further more if the parameters you speak of completely reset every drive cycle your fuel economy and shifts would become poor and harsh due to the complete reset. If you have ever reset a computer in such car, you are told to drive the vehicle after the reset to make sure you experience the harsh shifts and possible stalling of the vehicle as this is common after a computer reset. You are also strongly recommended to ask the customer how they drive so that when the get their vehicle back it will not feel different. Imaging an older driver getting in there vehicle, tapping the throttle and having the engine wind up the RPM and redline because you hot-rodded the vehicle after a computer reset? This is a common problem with the Camry, Toyota has flashed computers, changed transmissions, and changed computers and the problem has not gone away. Also rent a car companies would not have too much of a problem because people who are driving the vehicles do not own them, so why should they care how the vehicle shifts gears. They may think it is normal, or not notice it at all, but probably just happy the vehicle gets them from point A to point B.
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