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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: nathan118 (Aug 21, 2007 11:47 am) |
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Replying to: nathan118 (Aug 21, 2007 11:08 am)
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Replying to: rfarke (Aug 21, 2007 12:25 pm) 
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Replying to: wwest (Aug 21, 2007 8:28 am)
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Replying to: mcdawgg (Aug 21, 2007 6:44 pm) |
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Replying to: joel16 (Aug 22, 2007 3:56 am) True, I have a '07 Camry with a manual transmission.
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Replying to: mcdawgg (Aug 22, 2007 8:13 am) 1. You know to use the clutch INSTANTLY if your seat of the pants sensor indicates that the current level of engine compression is excessive for roadbed conditions. 2. You know, absolutely, not to downshift to a level that will result in loss of control due to excessive engine compression braking REGARDLESS of roadbed conditions. 3. You might shift down into 1st gear before coming to a full and complete stop but you do not engage the clutch unless you are certain of roadbed traction conditions. 4. You know that unlike a RWD or R/AWD w/stick shift you cannot use engine compression as "drag-braking" (braking only at the rear) to moderately brake the vehicle while simultaneously helping to maintain the vehicle's alignment with the roadbed or desired direction of travel. That being said... You may notice that fewer and fewer FWD and F/AWD vehicles are being made available in the marketplace, the RAV4 for instance. Apparently the industry feels that not everybody purchasing a FWD or F/AWD stick shift knows these RULES. Additionally some of the FWD and F/AWD vehicles that do still have a stick shift have control firmware that will automatically UP-REV the engine to closely match roadspeed if the ECU determines that your downshift would result in an extraordinary level of engine compression braking. Looks as if the new Suzuki SX4 stick shift uses that technique.
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Replying to: wwest (Aug 22, 2007 10:24 am) |
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Let me preface this post with the fact that I'm weird when it comes to cars. I get car sick easily, very, easily. New TSB on the Camry still isn't cutting it. I think it's a little better, but still making me sick. At this point I'm looking to replace it. But that's not why I'm posting. Without going too off-topic, in the last two days I've driven the following cars. '07 Camry '07 Civic '07 Altima I can say that all three drive almost identically. The CVT in the Altima is nice, but there is a problem with all of them. When I press the gas and brakes, I feel disconnected from the car. Whether it's drive by wire stuff, or something else (I'm sure wwest can shed some light on this). Then I've driven two other cars: '01 Jetta (My wife's car) '07 Jetta These two cars drive identical, and COMPLETELY different from the previous three. When I press the gas, it goes, and it all feels so natural. Are the Volkswagens really made that diffently, because it feels like a completely different system. The Camry, Civic, Altima, all feel the same. So that's where I'm at. Off to look at some Jettas!  I love this forum.
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Replying to: nathan118 (Aug 22, 2007 11:47 am) Volkswagon hesitation (Volkswagon, wrong spelling but that's the way I googled.) Interesting, VERY interesting.... I suggest you do the same. Up until just now I have been comfortable with my belief that this engine/transaxle delay/hesitation issue had to do ONLY with FWD and F/AWD vehicles. The first google hit as a result of the above search has made me begin to think otherwise. But I suppose inadvertent (SURPRISE!) wheelslip due to engine compression braking at the rear can be just as detrimental as in the front in certain circumstances. Say for inexperienced drivers that tend to freeze up when something life threatening unexpectedly occurs. But I still content that this occurance is less threatening on the rear wheels since you still have traction at the front for maintaining directional control. So maybe it has to do with the evolution of the firmware design of ALL automatic transmissions(***). The goal seems to be to make them act more like one would use a stick shift and clutch. What was that Clint Eastwood fighter pilot movie awhile back wherein the airplane's "ECU" could read the pilot's mind? Maybe that's where all this is headed. Just to avoid a clutch pedal....?? *** Or maybe not. The Touareg can be in 4X4 mode wherein 50% of engine compression braking effects will be at the front wheels making it potentially just as unsafe as a FWD. |
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