Touareg :: When Accelerating Tranny Shifts Up And Down Suddenly Before Settling On A Gear
Dec 31, 2005
I just picked up a new 2006 Touareg V6 with package 4 Offroad Gray with all the fixin's. I'm still learning all the features of the car, I'm finding more and more innovative functions every day. I did have one "concern" that I have been noticing as I drive around, the transmission seems to want to hunt for a gear... sometimes when accelerating the tranny seems to get confused and shifts up and down suddenly before settling on a gear.
Also, this morning when I put the car in R, it wouldn't lock into reverse, it was stuck in neutral before it dumped into the reverse gear violently. The other thing that I have noticed is that it sometimes locks in gear when moving, it'll hold a low gear and not upshift when it should or it'll hold a tall gear and not downshift (for example it'll be in 6th gear even when I slow down to 20mph and then when I try to speed up it'll stay in 6th gear).
I believe this car is drive by wire and it's the first one that i've ever driven.... i've driven other autos before but they have been much smoother and more "direct" then this tranny. I did have an audi before this and that also wasn't the smoothest auto tranny either, it also seemed to have a mind of its own. Have people had these kinds of problems before and should it be something I should be concerned with or take back to the dealer with my concerns? It is a brand new car, i bought it with less then 30 miles and it has only 400 now. I love everything else about the car, the interior is top notch and the fit and finish is excellent so far, my only concern is the tranny.
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After they flashed the TCM (vin 34000). Did not notice this before flash. Mild acceleration in a continuing curve to the right as the tranny shifts to 5th wheel pulls sharp to the right. Like a strong twitch. Also does it in left turn but not as strong. Didn't really bother me (driving wife nuts though, and its her car) in the dry, but Sat. nite on snow/ice scared bejaysus outa me. Felt like I was going to spin. If I lift before shift to 5th it doesn't happen. "Twitch" is about like you would to to miss something in the road. Maybe not that strong. Car thinks continuing radius curve is a decreasing radius turn. Not good. Haven't found the right road to try it under hard acceleration
As an aside, Contis worn out evenly at 10,000 miles. Granted, I did remove a few pieces from them this summer, but overall tread is gone.No binding feeling on dry pavement. It does "crab", or bind at slow speeds tight turns on snow/ice, but so does my Yukon XL in 4wd Auto mode.Have to visit dealer anyway. Service fault workshop light came on a few times. Restart and it went away. And dash wood cracked.
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I have a V6. When I just want to slowly get going I very slowly depress the pedal and hold, or leave off when speed is reached. Tranny shifts at low rpms, not much acceleration. I have completely avoided kickdowns, which exhibit a bit of a lag. When I really need to get going quickly off the line I steadily press the pedal more quickly than for a slow start. The effect is quite remarkable; tranny holds gears until about 4,000 or 5,000 rpm, and the car really moves. When I need to accelerate and I'm already moving I always shift into sport or I use the TIP.
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I have a 2006 Nissan Sentra with about 58k miles on it. When it shifts into gear I hear a slight squeak, almost like a bushing or something like that. It does not sound mechanically related. More of something squeaking or loose etc.
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I'm getting a readlly hard thump or slam from my transmission when accelerating. It only seems to happen when it shifts from 5 down to 4. This is usually when rounding an exit ramp, then excellerating back onto a highway. It's really bad and enough to make me nearly wet myself when it happens. It feels like the transmission is going to snap in half or something.
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I have a 2002 3.0 Escape. All running great. I have a question about where engine load/vacuum is sensed for determining shift point? I replaced all of the dry rotted hoses in the vacuum recently when replacing intake upper & lower gaskets. since then, I've noticed the shift points aren't quite the same as before. The tubing I used was slightly smaller that the OEM, but otherwise, everything is plumbed up as before.
When accelerating, the engine does rev a bit more than before, before the tranny moves to the next gear. I can ease up on the throttle just slightly, and it'll shift up. If I'm not accelerating hard, it seems to shift fairly normal. Going up slight grades it doesn't want to shift as soon as it should, but on level ground it shifts fairly normal under light load. Going down grade it shifts quickly, as one would expect. This is why I felt it might be somehow related to engine vacuum.
Is there an sensor somewhere, a restrictor in the vacuum tubing, or a vacuum modulator I might look at? I've double checked the vacuum tubing and found no leaks.
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Having a very pronounced hesitation/slip between 2nd and 3rd gear shifts. It happens in both "D" and "S" modes. I've had the tranny flashes and they fixed the throttle hesitation and the general harsh shifting. Still have a slip when going from 2nd to 3rd.
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I frequently experience a short "pulling" like a course correction when the rig upshifts to 5th while accelerating in casual turns but only between about 35-40 MPH. Sometimes barely feel it, sometimes not at all but once a month or so, I get a good "pinch", enough to eb a bit scary in narrow lanes and traffic. Seems to only do this when accelerating from a stop, don't notice when driving on windy roads, etc.
No pulling while driving straight, braking or accelerating. Aligned twice by two different experienced people (knowledgeable of the air suspension) in two different places, new tires and rims, stepper motors hear and there thru the lifetime, with or without ESP, Sport, Normal or Off-Road height. Is it the self levelling kicking in, pitch/yaw sensors, ? Absolutely only in turns while accelerating and when it upshifts to 5th.
2004, air suspension, all stock, V6
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2001 T&C with 3.3, 4speed tranny and 128K miles.
Here's an interesting one: This morning I went went to get gas and no problems getting to the gas station. I pull out of the gas station and get to the first light, again no problem. Light turns green, I go and the tranny shifts from 1st to..... nothing! Just like I slipped it into neutral. I coasted into a parking lot, moved the gear selector from Park to R to D to L, and nothing.
I put it in Park and shut off the engine, then restart and shift into drive and it goes into gear! I start to drive away and when it's time to shift, it goes from 1st to.... nothing again! Once again none of the gears work, until I shut the engine off and restart.
After I restarted the engine I shifted to L and drove home in 1st gear keeping an eye on the tach so I wouldn't exceed 3500 RPM. Got home with no problem.
So, to recap, when it goes to shift up from 1st it goes into nothing. Just like neutral. No check engine light, not "limp mode". If I shut off the engine and restart, it'll go into 1st, and if I keep it in L so it won't try to shift up, it'll drive all the way home in 1st. Reverse doesn't work no matter what I try.
Some background: I changed the tranny fluid and filter 2 years ago at around 90K. fluid level is good. It did rain hard last night, conicidence? The engine compartment is dry.
I think it is safe to rule out a mechanical problem, this seems to be electrical and we can probably rule out the tranny range sensor since it keeps it in 1st when I have it in L and the backup lights come on when I put it in R.
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I have a 2011 camry se 4cyl with 15k miles. Just wanted to know if you have to change Trans Fluid because my tranny shifts hard between gears.
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I just bought 2011 Camry 23K miles, L4 engine and 6 sp auto trans. Experienced strange downshifting - when slowing down the tranny shifts down, so the RPM jumps from about 900 to 1,200 and the cycle repeats for the next gear. Feels almost like the car is getting ready for the (possible) acceleration. It mostly happens when I am coasting, not when I am breaking. I already disconnected battery for the few hours to reset transmission shifting points memory.
I have seen "transmission flare up" tread about V6 engine + 6 sp tran combination, but it is not it.
I also have 2009 Camry with 5 speed 170K miles, and it shifts so nice you could not tell what gear you are on; and have 2009 Highlander.
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When cool to cold my 13 2.5L Camry SE 12k miles has shifts that are 'crisp' (not meaning that is good). It I s like it rides up to an rpm and throws on the clutch and the RPMs drop by 200rpm and then she pulls into gear. No slamming but feels like a sports car driver changing gears with just a moment of that 'transition float' between gears cause by physically moving a clutch pedal. An actual noticeable shift feeling and a moment of floating 1/2 second transition. Is this 'flare'?
I guess I could just say this... It feels like it is truly 'going between gears' rather than the typical slush sliding into gear like most all automatics do.
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I just had my tranny rebuilt it doesn't shift hard all the time but it does from time to time going from 2nd -3rd and 3rd -4th I thought being new it may need to soak up some fluid so the bands can swell so I ask the shop that rebuilt it that question he said they soaked them as they rebuilt it so they should be swollen already then he proceeded to tell me it was electrical is he telling me the truth because the ck engine light isn't showing any faults and if it was electric shouldn't that have been fixed in the shop while it was being rebuilt if it was interior electronic?
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My tranny guy just did a full scan and the ONLY thing which indicated a problem was 'output speed sensor' which we were able to trace back to most likely being caused by a completely hosed driveshaft (I've noticed a driveline vibration). We're going to install a new driveshaft, replace the output speed sensor(s), check for any frayed/chaffed wiring going to the output speed sensor(s) and then see where that leads us (he said something about some computer module in the dash which he's had to replace on several Sooper Dooties).
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'00 PSD w/ 291k on the clock. Starts easily, runs good, only complaint is (what I consider to be) the soft shift of the tranny. Years ago, when I bought it, it came with a Super Chips Tuner. I've never max'd it out, just usually run on the performance tow. Is there any way to clean up the shifts and make them a bit quicker with less slip. When it's time to shift, dammit, I want it to "SHIFT", not slide into gear. I don't expect it to hit the gears like a manual valve bodied drag car tranny. But, there should be something to fix this without spending a bunch of $$$..
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I have a 2008 GC 6 speed transmission that has 55000 miles on it. When the engine and tranny is cold the transmission shifts very hard until it warms up. There are times when shifting from reverse to drive it shifts very hard. Also, the siding doors creak when driving over rough roads. Can they be adjusted?
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I have a 2000 Ford Explorer with 188,000 miles on it. I bought it used with 110K miles and put a new tranny in at that time. Now, I am having problems. I don't know if it's the tranny or the engine. It looses power when climbing hills. It takes off really slow with no power and finally gets up to speed it switches gears the whole time smoothly but the engine just can't take a load.
The check engine light came on and put out 10 codes:
P1451 EVAP Control System Canister Vent
P1747 Electronic Solenoid A-Short Circuit
P0743-Torque Converter Clutch Circuit Electrical
P0750-Shift Solenoid "A"
P0755-Shift Solenoid "B"
P0760-Shift Solenoid "C"
P0765-Shift Solenoid "D"
P0135-O2 Sensor Heater Circuit
P0155-O2 Sensor Heater Circuit
P1409-EGR Vacuum Regulator Circuit Malfunction
Those are the codes and I don't know how one has anything to do with the other. I checked the dip stick on the tranny and it's clean. Juicy red and not shavings.
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I have a '78 F250 4x4 with the 400 engine and C6 automatic tranny in it. All of the sudden, it won't shift as I'm driving. It will go into reverse, drive, 2, 3, when I'm shifting, stays in the same gear all the time while I'm driving.
I was looking around and I found a hose that I think goes from the top of the tranny to...nothing. A friend said it's a vacuum hose that should go from the shift modulator to the carb. Well, I can't figure out where it should connect to the carburetor. There is a hose towards the front of the carb that was cut off and is plugged with a bolt, but that's been like that since I bought the truck 3 years ago. So if that's where the hose SHOULD go, then something else must have caused the tranny to give up on me.
Tranny has been acting fine until now. And I'm sure that hose should go SOMEWHERE!
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I'm sure this has been brought up before. Whats the rattle you hear when accelerating hard when the transmission shifts? Exhaust note, exhaust hardware, dsg transmission, engine sound?
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My friend just bought his ISF two weeks ago. It's bolts-on. He has an issue...
While hard accelerating in all modes the car some times shifts @5500 RPM...
What the problem is?
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Squeak that persists after I replaced the rear shocks. The noise started with just smaller bumps, but has no progressed to every little variation in the road. It sounds like a squeaky hamster wheel (embarrassing).
The links are tight, and even so I wouldn't suspect that they would make a squeak. In fact, one of them made a clunking noise, and I tightened it. Problem gone.
I have heard a lot of people talk about ball joints, but frankly I wouldn't expect it to start all of a sudden after replacing the shocks; so I'm not pursuing that course.
It squeaks like a creaky bed when I bounce it under my own weight in the back. Also, it makes more of a creak when settling after braking to a stop. I've looked underneath and checked the linkage visually. The removal process did take some doing to pry the old shock out and to put the new one in. I did not remove the whole lower control arm (perhaps I should have).
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