Passat (B6) :: Car Jerk And Clunk During The Downshift
Mar 7, 2008
I don't do too much long range driving but i notice about a week ago i was driving about 70mph for about 40 to 50 miles.. and when i got of at the exit i started to slow the car down and during the down shift i felt the car to a little jerk and clunk with a bit of hesitation during it.. Today i was doing another long trip and it did the same thing..
i use the highway a lot but usually on it for maybe 5 to 10 miles and it never does it.. I called the dealer and explained it to them and he said he would have to drive the car. and i know since it only happens on 40 plus mile trips the dealer isn't going to go for a test drive that long..
The next long trip i have might be tomorrow nite headed to AC for some gambling so i am going to try to remember to bring my camcorder so i can try to record it for the dealer..
car is a 07 wolfsburg 2.0t automatic completely stock..
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Or just can I just replace and go. I'm having some issues with trans on my 06 gs430. It's having a downshift clunk/jerk when coming to a stop. I just purchased a used trans, but would like to see if it could be ecu related. I have seen other comments from other member that they replaced the trans, but still the issues were present. Some stated that there was some issues with the ecu holding the trans solenoid longer then the usual.
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My 3.6 4motion has a rough downshift, 4th to 3rd. I can feel the clunk. The service department (which has been otherwise great, at Gurley Leep in South Bend, IN) says it's "within specs." And no TSB. I know we've discussed the TSB for the rough downshift on the 2.0T. Anything on the 3.6 4motion?
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Had a slight shutter or jerking feeling in their LS, sort of like the rotors are warped, when they slow to a stop from 40+ MPH? I just cannot make the car stop smoothly no matter the amount of brake pressure I apply.
I can 100% eliminated the issue if I shift the car into neutral before I slow down. So it has to be the the transmission not downshifting smoothly. Done it from day one. I even replaced my rotors and brakes so I know that isn't it.
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I have a 2010 S with an auto trans and 68,000 miles. I've never replaced the fluid or filter. Over the last 10,000 miles or so, I've noticed the following in regards to shifting.
I will being on a merge ramp to the highway rolling along and waiting to pull out into the flow of traffic. I'll be traveling along at a constant speed, say 30 mph, with constant pressure on the throttle waiting for my opening in traffic. I will see my opening and floor it. That's when (sometimes) the car seems to get very confused. It doesn't shift back right away, it lingers in 3rd (or OD) and picks up a tiny bit of speed. Then, it hesitates with no acceleration, and then roughly shifts to 2nd or 1st. It feels more like it forces itself into gear and, once in gear, it accelerates like it should.
The biggest issue for me is that this whole process takes about 3 or 4 seconds. That's not very long, but when you're trying to merge onto the highway or cut into traffic, 3 seconds is the difference between being safe and a close call.
Transmission fluid appears to be full, is a nice red color, and doesn't smell burnt.
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2011 Sonata Limited ... I have just under 60k miles and did a tranny drain and refill at 24k and 55k. Just had the brake light switch replaced. For some reason when cruising with the car in overdrive, if I let off the gas to decelerate and ease into the gas again, I get a real hard down shift and shift. So every time I get on the gas again it is either kicking out of overdrive or downshifting and shifting back immediately. 99% of the time it is a hard thump. When I have the cruise set I do not notice this at all. It does it in ECO or out of ECO. This is new and I started noticing this after the brake switch replacement.
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Lexus IS350 ... Noticed a reasonably quiet clunk from the car when coming to a stop? It happens when the transmission automatically shifts into 1st gear with your foot on the brakes.
I noticed that in my car, you can feel a slight lurch forward as the transmission downshifts into first when approaching a stop sign. If I am barely on the brakes, I feel the slight lurch but don't hear anything. Under normal braking, that slight lurch happens along with a clunk. You wouldn't hear it with the radio on, but it's very repeatable and with the windows down you can hear it as well coming from under the car somewhere.
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I am the new owner of a 2007 Lexus GS350 and I absolutely love the car. 70k miles and it has been well taken care of by the previous two owners. The question I have is regarding a strange subtle jerk when coming to a stop. This seems to be the most intense with a medium force stop but I can also feel it when coasting to a stop. It happens frequently and sometimes is less harsh than other times. I noticed it right after picking up the vehicle but I didn't really pay much attention. After driving the car for 2 months I notice it more. The jerk seems to be happening during downshifting and is at about 15 mph every time. It's not extreme but passengers typically notice it if I point it out. Then they can feel it every time it happens. The other shifts are smooth including accelerating and so forth. I reset the ECU (pulled the ETC and EFI2 Fuses) about two weeks ago but haven't noticed a difference in shifting.
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It was ok when the car starts from stop after green light. It will shows a hesitation and a jerk/clunk sound after it slows down below 20 mph and comes up over 20 mph again. it is ok for other speed. the fluid is ok and no leaks and no engine light. no burning and crazy smell.
A couple of months ago it starts the slipping at 20 mph part when it is cold and it is shifting ok for other speed. I am in CA bay area and it is better during hot days or warm noon period.
Right now I am opening up the trans for a rebuild. I notice all valves free movement, spring, filter and clutches all look good. I do not know what to look now.
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Here is my new to me 03 Jetta 1.8T Wagon. This all started yesterday driving down the highway at about 65, I drove over a bump and there was what felt like a jerk. I lost the radio right away and when stepping on the accelerator it didn't seem to go over 3500rpm. I got a few miles into town taking it easy and it died as I pulled up to a stop sign. I was able to get a jump and get it running again.
This was the first jump of the day...When we popped the hood to jump it I noticed that the red wire coming off the positive battery terminal to the power block was frayed and corroded, so I cut the bad end off and stripped the wire to get a good connection. Left the car on a battery tender just to make sure the battery was charged and came back after a few hours and it started right up. Problem solved right?! Wrong...
Probably 10 miles down the road the same thing happens, a jerk or clunk sound, lost power and the call stalled out. Called family that was close by and tried to jump it again 'cause that worked the first time... Got a few miles down the road and it happened again!
Here's a picture of the gauge cluster and all the lights that lit up.
Long story short the car had basically no lights, power, for the windows/radio/turn signals/headlights etc... but was putting along at about 5 mph. I was out in the country and about 5 miles from home so I was just focused on getting it in my garage. It died again and a jump wouldn't even get it going the next time. I did some reading on my phone and it seems like the power block can be problematic, I took a picture of that because there is some obvious melted plastic on the large black wire.
I have a friend with a vag com, and he was able to come out and read the faults and then clear them and the car started right up just fine off a jump pack. We did get it home, but today I'm getting the same issues. I am trying to trace that black wire to its origin to see if there is corrosion or a loose connection there but I have no clue where else to start....
I start a new job on the 21st of July and this was meant to be my commuter as my truck gets terrible mileage...
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I was driving up a fairly big hill in Connecticut using cruise control (65 mph). The transmission downshifted, and the car started to rev (speedometer and tachometer) and slow down. I then felt a clunk and the car started to go again. The car kept on doing the rev up and then clunk as it gradually slowed down. Putting the car in Park caused a grinding noise, and Park did not keep the car from rolling. What did I break?
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I have a 2003 Camry LE with 1MZ engine and U151 5 speed auto trans. 138,000 miles The problem is that the trans makes a very noticeable downshift clunk when stopping.
With light driving you can feel what seems to be a 2-1 downshift just before stopping. With aggressive driving and rapid stop the clunk is felt either when stopping or actually after the wheels stop turning depending on speed and hard braking. If you stop aggressively it actually feels like someone hit you from behind. It literally shakes the car.
TRANS FLUID is full and clean. There is no smell or burnt appearance. The trans tests good in forward and reverse stall tests. Neutral to drive/reverse engagement is also quick and firm.
Here is the fun part. The condition does not exist when cold. After the engine and trans warms up it starts happening. Also, after presenting the condition with a hot trans, I can shift it out of drive and into 3rd and have no problem at all no matter how I drive. To make things more interesting, I can erase the trans learned values with a scan tool and the trans shifts normally for a couple of days before the condition returns.
We are concerned that there may be damage done if this condition continues.
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I recently got my 09 ISF and had a few questions pertaining to some noises I'm hearing. Of course I'm hearing the ticking from the motor but until it causes any issues I can live with it.. My real questions deal with
A: When I go over a bump such as a pot hole cover or something that makes my suspension articulate quickly at low speed, I hear a rattling noise from what seems like the suspension / hub. If it makes any difference in on 2012 shocks and soft springs. (my extended warranty is kicking in soon so I hope that it doesn't play a roll in it as I'm sure they will be quick to deny it)
B: When I am coming to a stop or slowing down and the car shifts into first on its own (I think only in manual mode) there is a clunk / slight jerk sometimes... It may be coming from the rear end? Is it some type of locking or unlocking that's going on?
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Well, After reading about the weird transmission issues these cars have...mine finally started to do it. It will clunk, shake the car when it shifts and downshift for no apparent reason. All of this does NOT happen all the time. The noises that come from my transmission do though.
I can have the car in Drive and have my foot on the brake and I can hear a grinding/low power steering fluid like sound that comes and goes. Its worse when I shift from Park to Reverse though. It sounds like air being released followed by a bunch of faint grinding noises.
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I took my truck to an alignment shop to have him look over my truck to find a steering wheel jerk and a loud clunk noise. He believes it's in the transfer case driveline. Said to remove the driveline then drive it around and see if it goes away, if it does then that's the problem. So to the question, how to properly take this out? Do I need to make marks with a paint pen anywhere to line things back up or does it matter?
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My wife and i have an 07 2.0t and she used to complain that when the car downshifted (on a ramp or something) the car would kind of jerk. At first i just thought she was a woman and didn't know what she was talking about, until we started taking her car into work I noticed the same thing...but not just on a downshift when the car upshifted it would do it as well.....its basically just a quick little jerk like a buck or something..happens maybe 1 or 2 times a week.
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I have a 07 20T and today when I went to pass someone on the highway I punched the throttle and the car rev'd up and it started to jerk really hard as if it was not catching the next gear. So I let off the gas and everything went back to normal. Under normal driving the car drives normal and fine, its only when you give it some hard throttle and when it hits high rpm's it jerks, it feels like the car wants to stall. I have 30k miles on it.
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I have a 2000 VW Passat 1.8T and when I am driving and hit the gas all the way its like the car does a small jerk and then proceeds to go. Nothing too hard but def. noticeable. I just installed a boost gauge (autometer) and I am running a nuespeed chip. The PSI is maxed out @ 6-7psi. I also changed the mass air flow sensor car ran fine and now these problems started happening.
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I drive a 99 1.8t Passat with 90,xxx miles. Yesterday I felt the car hesitate/jerk a little when it's accelerated to 35-40 miles per hour. I've had this problem in my past and it was a cylinder misfire. I would bring it to the repair shop.
My question is: Can my car last about 1.5 weeks? My work is 20 mins away. I can definitely avoid the freeway.
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I ran into a new one with my 2000 1.8T Auto. When pulling out of my garage when I move the shifter from P to R, I felt a very strong jerk and the whole car shudders. Same from R to D. I drove straight to AAMCO which was the nearest repair shop. Although the drive was smooth (no additional noises etc) the acceleration was noticeably slow.
Recent work on the car:
-Timing belt replacement 3 months back.
-Battery replacement last night.
Engine light is on and came on 2 days back.
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When coming to a complete stop, whether from 5 mph or 50 mph. After I've been stopped for about 2 - 3 seconds, the transmission feels like it gives a little jerk. It feels something like a car coming out of gear without the clutch pushed in (not quite that severe but that's the general feeling).
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