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2007 Toyota Camry Problems and Repairs

4944 messages,  Last post on Nov 29, 2009 at 6:46 PM

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What is this discussion about? Toyota Camry, Sedan


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#4583 of 4944
Re: 07 Camry Problem [dmathews3] by 210delray
Sep 17, 2008 (7:21 am)
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Replying to: dmathews3 (Sep 17, 2008 7:11 am)

It can't; I think 650spx was joking.
#4584 of 4944
Re: 07 Camry Problem [dmathews3] by kiawah
Sep 17, 2008 (8:37 am)
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Replying to: dmathews3 (Sep 17, 2008 7:11 am)

He may have been referring to a pseudo 2 extra gears.
 
I know with the I4-5 speed we have, once it is in 5th gear, the computer will 'lock up' the torque converter, which has an effect of dropping a couple hundred rpms off the tach at highway speeds. If you were watching the tach when shifting, you would think that the 5 speed was actually a 6 speed.
 
It may be that the V6-6speed model he referenced can lock up in both of the real 5th and 6th gears, making it seem like an 8 speed. Don't know, only guessing.
#4585 of 4944
Re: 07 Camry Problem [dmathews3] by wwest
Sep 17, 2008 (9:05 am)
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Replying to: dmathews3 (Sep 17, 2008 7:11 am)

In actuality a modern automatic with "only" six "hard" gear ratios might have as many as 9 (10??)forward speeds. The lockup torque converter clutch might now be engaged in as many as half, or more, of the upper gear ratios given the road speed and provided the torque requirement is low enough, no acceleration.
#4586 of 4944
Re: 07 Camry Problem [wwest] by dmathews3
Sep 17, 2008 (10:17 am)
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Replying to: wwest (Sep 17, 2008 9:05 am)

In other words advertising hipe since cars have had lockup torque converters for years.
#4587 of 4944
Re: 07 Camry Problem [210delray] by 650spx
Sep 17, 2008 (4:46 pm)
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Replying to: 210delray (Sep 17, 2008 7:21 am)

I was half joking you can't put the lexus program in to the camry. But the lexus uses the exact same trans. I has a ravigneaux planetary gear unit and seprate planetry gear sets on the same axis I bleave it is capable of 9 or 10 true gears plus the lock up feature. It also uses linear solenoids instead of the on/off type.
#4588 of 4944
Re: 07 Camry Problem [dmathews3] by wwest
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.
#4589 of 4944
Re: 07 Camry Problem [wwest] by 650spx
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.
#4590 of 4944
Re: 07 Camry Problem [650spx] by wwest
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....
#4591 of 4944
Re: 07 Camry Problem [wwest] by 650spx
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.
#4592 of 4944
Noise when turning wheels at zero or very low speed by silverbullet10
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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