Dear sir Sienna,
i only hope this thread is still alive as i need ur assistance with urgency, Please forgive my long writing, and try ur best to assist.

VW
Jetta
2.5L
Auto(tiptronic)
2006
US/Can
Frontwheels(i think)

07) Car starts and runs, but jerks in motion, fuel consumption appears normal.
28) Auto transmission slips in all gears, engine revs high, road speed doesn't match. Gear shift indicator on dash (PRNDS, PRND etc) all illuminated.

EXPLANATIONS:

i bought this car last month with 70,410 KM on it. It has 2 problems which are car doesnt start immediately after filling with fuel, this was fixed after diagnosing and we replaced the hose that delivers fuel to the injector, which was blocked and problem went away.

second prob is car jerks on shifting from gear 1 to 2, and 2 to 3. I guess my mechanic noticed this and he suggested full servicing ranging from engile oil change, engine oil filter change, atf change, all brake pads, all spark plugs, which i did as i see them necessary.

i bought the engine oil myself which was fully synthetic and met vw specs, but the atf i do not really know which brand and spec he bought but after atf was changed, the jerk from 1 - 2, 2 - 3 became more forceful and noticeable and also when downshifting also. we diagnosed gearbox with several workshop to no avail and no codes or fault were found and i was advice to use it like that till it becomes more pronounced and regular as it didnt happen everytime, just occasionally.

Few days after the check engine light was on and i went to diagnose at another workshop who specialize in german cars myself and the error was TRACTION CONTROL SYSTEM is faulty, the mechanic asked if i have noticed anything with the transmission and i told him the problem and he said probably the abs sensor is dirty and not sending signals to the transmission early enough as we are pressing the pedal to move. He cleared the code and said i should study it more and if it continues we can then try and find where the problem may be, i asked if cleaning/changing ABS sensor will solve the jerk but he wasnt so sure as he said he will have to find where the real problem is, firstly solving abs and then moving on to others, BUT the ABS light wasnt illuminated so i doubt this might be accurate.

Last week jerking became more pronounced and the PRNDS were all lighted, i had a friend take me to a VW specialist he knew and after complaining about the jerk, he changed the fuel filter, as it was dirty/blocked and that day the jerk never happened until the next day at an highway and it was worse, and i was leaving the traffic light with full force on the gas pedal, there was a jerk like 4 times repeatedly before it moved on, and the car never moved as fast as it used to, gear count stopped at 4 and when i remove foot from gas pedal, gear count went straight to 6 which is totally wrong and continue to mis-count until i off/on the car but car never went limp and do not happen anymore.

Next day i was at the workshop again, before got there noticed that the gear count went wrong again, and this time, when at complete stop the gear count is at 3 instead of 1, and while moving, goes from 3-4-5-6, and downshifting 6-5-4-3 and never below that until power off and removing key of the car and starting again and it corrected itself.
At the workshop they said probably the atf which was filled a month ago is bad one and when they check it was kind of dirty as they said, we had to change the gearbox oil again and this time i went to buy myself and bought the RAVENOL CVT ATF, fully synthetic and met vw/audi specs.

They removed the filter which is still ok and washed it with fuel with the gearbox pan and refilled with the ravenol atf. i had to take the car immediately after this and i noticed the jerk was still there going from gear 1 - 2, but never happened from 2 - 3 anymore, also downshifting from 3 - 2 it jerks as well but still not all times. after 20km of running the car, at a stop i shifting to N(neutral) and then to Reverse, then there was this big jerk(never happened before) also i noticed if i shift from either Park or Neutral to either Reverse or Drive, it gives a jerk before it balances. i decided to wait more time to allow circulation of the new oil before i conclude and next day the jerk from P/N to R/D disappeared and never happened again till now, but there is still little jerks sometimes from 1-2 and 3-2. At times only jerks once a day when shifting 1-2 and never when downshifting, at times its light, at times its hard, at times jerks 2ce repeatedly while shifting to 2 and there was a time(only once) thar car rev so high before changing gears.

i drived up to 60km today and never once did the jerk come up. yesterday i did up to 150km and experienced it like once.

The new mechanic said i should not let anybody touch the valve body as it is okay and the problem is not there else they may destroy it.

But i dont want this problem at all as i fear it may lead to more complicated issue, like destroying the gearbox itself, the car hasnt gained alot of miles to be having gear problems as i see it, and from what were changed, i doubt if the first user changed anything on the car.

Please advice what could be the prob. Its better to solve a problem at the early stage than when it becomes more of a complicated issue which will require alot.

I have already spent alot on the car as adviced by first mechanic to change all things so we can be able to gauge the time period ourselves. i'm regretting change the break-pads as the ones bought(new) seems to not be original as they make some kind of noise from front passenger tire.

Please just advice me with ur expertise on what i should do, i have contemplated going to VW service center to complain but i guess they will advice that i change the transmission or they over charge me for what i cant afford.

sorry for long writeups just have to get it straight so you can know where i am coming from.
Also, all this jerk, there is no Check engine light, and all diagnosing done on gearbox showed nothing as reported by the mechs. Also engine seat and gearbox seat are all okay. so i think it may be a mechanical prob.
But where or what is it?
Thanks

Good day sir, see the problem we are facing is that of a good mechanic and is very good when you use a specialise mechanic for some particular cars like VW or audi. If you don't mind u can call this guy TOSIN (09096679185) he is a specialist on VW and Audi tell him from bosun.

You should have your check light on. Go for a scan and post codes here

Big2bore: Good day sir, see the problem we are facing is that of a good mechanic and is very good when you use a specialise mechanic for some particular cars like VW or audi. If you don't mind u can call this guy TOSIN (09096679185) he is a specialist on VW and Audi tell him from bosun.

You're no longer TOSIN or what? Seen other post you call yourself tosin and now you refer to him as a guy?

Siena: Is your transmission the 6-speed DSG?

Thanks for the reply sir,
It is the 6 speed 2.5L engine and tiptronic, not DSG. I guess dsg are written on the DSG tranny, which is not on it.

Big2bore: Good day sir, see the problem we are facing is that of a good mechanic and is very good when you use a specialise mechanic for some particular cars like VW or audi. If you don't mind u can call this guy TOSIN (09096679185) he is a specialist on VW and Audi tell him from bosun.

Thanks for the info but i am not in nigeria. Thanks

mayor2013: You should have your check light on. Go for a scan and post codes here

There is no check engine light, not any except airbag which has nothing to do with the tranny.
Last time the check engine was on and diagnosed, it reported that Traction Control System was faulty and the mechanic(works mainly on volvo, vw too as he stated) said probably the ABS sensor is dirty and needs cleaning, coz it may not send response quickly to the trans when needed, i think he means the speed sensor as it is part of the ABS and the Traction control, but since it has been cleared then, the check light hasn't appeared even though the car jerks while shifting sometimes.

All workshop i had been to never accepted this as jerking, only said its gearbox shooting/gearbox problem.

Siena:

Hello bro, it would be cheaper to obtain a replacement in a Nigeria. I could certainly ship a replacement from the UK to Nigeria, but it'll work out relatively expensive, based upon shipping a single item.

Thanks a lot

Siena:

Hello bro, it would be cheaper to obtain a replacement in a Nigeria. I could certainly ship a replacement from the UK to Nigeria, but it'll work out relatively expensive, based upon shipping a single item.

Thanks a lot, would ask how much around

ora10g:

Thanks for the info but i am not in nigeria. Thanks

. Ok bro no problem, this guy happen to be my mechanic am a lover of VW and audi cars and I want the best for guys in nairaland

Siena:

I pointed out the obvious in the other thread. Guess what? "TOSIN" and "TOISN" squealed, and my post got deleted.

. Sorry it was a mistake on my part, the name is TOSIN am sorry guys. Am just trying to help

Unless its diesel we never got the DSG on 2.5 here, thats reserved for the TDI and Turbo.

**CityNG walking backwards slowly out of the thread while saying prayers to the VW diety to not see all his shifter lights lit up.**

Again, for any serious VW/Audi owner who wants to know what's up, this software is a requirement, IMHO.

You can sell it afterwards when you sell your car if no longer needed for the same price since anyone in Nigeria will have to order it.

http://www.ross-tech.com/

I'll have my copy in Ibadan in December and will offer scan services then.

So if you have this, you plug it in and you drive your car, it will record whats happening. You then go back to the mechanic and he will play it back and see what happened when, at what rpm, what load, what steering angle, what fuel pressure, etc

No guessing, no throwing parts at it hoping one will stick.

Oga Siena we need to go home and open a shop.

CityNG: Unless its diesel we never got the DSG on 2.5 here, thats reserved for the TDI and Turbo.

**CityNG walking backwards slowly out of the thread while saying prayers to the VW diety to not see all his shifter lights lit up.**

You are right sir, its Gasoline not Diesel. And also not DSG, its tiptronic

Any assistance?

?

Please i need help!!!! Especially at Siena. I am so desperate. I have a VW Jetta 2006 TDI (diesel). Since i got it, its been one issue after another. Now the gear is refusing to shift. The [P R N D S] on the dashboard keeps flashing and it wont shift. If i turn off the car and put it back on, it drives ok. I noticed its A DSG as well. Please does anyone know a mechanic that deals with VW. Going to VW would cost me an arm and leg. Do not have that kind of money. Advice please. Has anyone experienced such issues.

Thank You

asmabel:
Please i need help!!!! Especially at Siena. I am so desperate. I have a VW Jetta 2006 TDI (diesel). Since i got it, its been one issue after another. Now the gear is refusing to shift. The [P R N D S] on the dashboard keeps flashing and it wont shift. If i turn off the car and put it back on, it drives ok. I noticed its A DSG as well. Please does anyone know a mechanic that deals with VW. Going to VW would cost me an arm and leg. Do not have that kind of money. Advice please. Has anyone experienced such issues.

Thank You

08030938491