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Sedans Toyota Avalon Toyota Avalon 2005-
14780 messages, Last post on Dec 02, 2009 at 2:06 PM
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Replying to: blackdog4 (Feb 13, 2007 8:39 am) No, that's exactly what I thought at one time. You're losing the engine braking drag because that drag on a FWD vehicle can easily result in loss of control, directional control, if the roadbed happens to be slippery. You may notice that it also happens at higher speeds, the transaxle upshifts upon a FULL lift-throttle event. Look around, Google for: wwest "throttle lag" hesitation For more detail. Or start by reading the post I just added for the Suzuki SX4 thread.
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Replying to: wwest (Feb 13, 2007 11:44 am) |
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Replying to: wwest (Feb 13, 2007 12:12 am) |
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Replying to: bobwiley (Feb 13, 2007 7:33 am) This to me is "transmission slipping" for whatever reason you want to use. Worn out clutches act this way and poor computer selection for the shifting timing act this way.. Anyway it happens. I have used the manual shift a number of times until I found I was in 3rd gear doing 60 mph. ange
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Replying to: jlsexton (Feb 11, 2007 1:44 pm) There is way to know when you are close. I angled the camera so I could not see anymore ground and still had 12 inches before touching anything. The electronic box is designed for the Avalon navigation computer unit in the trunk. You disconnect two multiwire terminals and install the box terminals and then replace the Avalon terminals on top. The power source to the camera part comes from the back up wire. When the shift lever is placed in reverse, the back up light gets power and so does the box sending the camera signal to the factory navigation screen. When shifting to drive the normal navigation unit comes on. I had to run wires to fuse box under the dash for power and ground. I looked at the $100 wireless units. Some can be turned on all of the time or only come on when wired to the back up lights. I was afraid to get one because of the small angle viewed and poor picture quality. I did not want a blank screen mounted somewhere up front. Check the internet re back up cameras. There many out there. ange
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Replying to: ange (Feb 13, 2007 4:24 pm) Bob |
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Replying to: bobwiley (Feb 13, 2007 6:13 pm) All you need to do is to shift out of D, into S and 5, and just leave it there. In the S-5 mode, the car will shift through all the gears as needed, but with no attempts at "learning" and no surprises. Keep driving as you would in D. No need to shift up & down manually through the gears (unless you enjoy this exercise, of course). If this doesn't cure it, check your foot placement on the gas pedal. Avoid toe-driving. The Av has a sensitive accelerator that is best controlled by applying foot pressure on the middle or the top half of the gas pedal. Toe driving can cause lags and surges, as was extensively discussed in this thread over a year ago. Just about 2 years already and still impressed with my XLS.
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Replying to: havalongavalon (Feb 13, 2007 8:47 pm) Bob |
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Replying to: bobwiley (Feb 13, 2007 6:13 pm) agree there is a transmission problem. They tell me toyota is working on it. I'll have to complain to NHTSA to be another on the list. The unexpected slip-miss when trying to get into a fast traffic lane could or can be an accident or near miss. I have driven many company cars, got a new one every two years, and never experienced the transmission slippage during fast acceleration or the hesitation in slow traffic that the avalon exhibites. It is not a nice thing to say, but when you have a company you can do some things you would never do when you pay for the car. I did some tough driving with these cars and none hesitated and slipped as does the avalon. There have been times, maybe 1-2 times per year when the car would be a situtation when speed, gear, and rpms would be such that the transmission controlling electronics would be so close to going one gear up or one gear down and a slight hesitation would happon. This flaw and was liveable and not annoying, especially when it happens more on a freakish basis. I believe I can duplicate the avalon slippage when slowing and then fast acceleration. I tried the manual mode in slow rush hour traffic and I could not see no any improvement. It is kind of embarassing to have your friends in the car and they comment on the poor transmission changes. I don't know why toyota, knowing they had transmission problems in the lexus models before the avalons, 2005's, came out, and still did not do anything. Then making the same transmission throuh 2007, doesn't make any common sense. I think it makes 'money sense' to them. Ange
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Replying to: ange (Feb 14, 2007 8:19 am) Yes, for a VERY long time now. Actually the very first written record of the 1-2 second downshift delay was a TSB issued in the spring of 2003 for the 2002 Camry. The earliest recorded customer symptoms indicative of this problem involved the initial production run of the RX300 in '98.
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