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Jolt Issue Still

I did a post on another thread, I am so glad I found this one!!

Here is the background:
<<Jolt / Bang Issue - Same here guys, I will pass on all previous issues with my 2004 V6 Touareg. The car has just spent over 24 hours at the dealer and they don't know the problem, I guess they should check clubtouareg. So back a few month ago, my car started the same, going uphill, keep accelaration, relase a bit, keep foot on accelerator, about 4th Gear, get a big jolt / bang. Dealer said transmission was a bit lose and added some silicon, did not fix the issue, got the issue again the next day, not easy to reproduce but you are sure to get it after 20-30 minutes drive, in the city and in the conditions I just mentioned. Now I am looking for the next step...>>

So I have brought back the car again a Royal motors in San Francisco, they still told me they don't know the problem, they will look, they refused to READ the posts about "Valve Body" will make sure to tell them to RTFM.

This Touareg had everything changed, from the rotor motor to electrical and electronics, it's now an hybrid 2004/2007...

Will those guys be able to fix it today, I doubt I will get the car back until next week. Anyway, the transmission is under warranty.

Thanks to you guys from clubtouareg, you rock ! will keep you posted.
 

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VW in SF is keeping the car until next Tuesday, of course they could not reproduce the hard jolt with the gear transmission at all.
I insisted they look at the body valve.
More posting next week...
 

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I had the same problem with my 2004 v10 tdi... It would down shift hard while cruising at highway speeds (100kmph+), when you step on the pedal (not mash it), but enough to make the tranny need to downshift, BAM, it would slam down a gear or two... Sounded like something was going to break, my girlfriend was scared...

After reporting it to the friendly dealership at Fifth Avenue Auto Hause in Calgary, AB, the were able to reproduce the problem many times, over and over.... After talking to VWOA, they confirmed they would do a software update, and replace the valve body at no charge under warranty... This was about 2 weeks without my vehicle.

I got my v10 back, and no problems for the first day... The first cold start the next day, it would slip up-shifting, until the engine/tranny fluids warmed up... I brought it back, and they decided they needed to drop the engine and tranny. Upon doing so, they discovered an oil leak from the driverside turbo was leaking oil into the intercooler. VWOA ok'd the dealership to replace both turbos at no charge!!!!!!!!!! (at the time, vehicle only had 38,000kms...).

So, exactly 30 days later, new turbos, oil seals, everything, including a brand new tranny, everything is working good. Just sucks balls that it needed to be gone for so long. The turbo dieing after only 38,000km is unjustified, as well as the tranny. My only conclusion is, faulty tranny design, and the original owner of the Treg (bought at 23,000km) must've not let the engine/turbos cool down after hard runs, therefore, destroying the turbo seals from heat.
 

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V10reg, talk about a nightmare, looks like you got it all fix though, and thanks a lot for your input. Well here is what's going on with mine, the dealership says they cannot find anything wrong with the car... I am very worried, but they also said to have put a call to VW and they should hear back from them today.
 

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VW just informed me they have been driving the car and they cannot reproduce the problem so they will not do anything to the car. My problem is I need to cross state and go to Oregon this weekend, will the car make it...
 

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That is unfortunate that they cannot reproduce the problem... For me, the tranny would only downshift "hard/bang" while cruising at highway speeds... I would say at 90kmph+, step on it halfway so the tranny needs to downshift, and then it would do it. It seemed to only do it if I had been driving for awhile, say atleast 1/2 hour at a higher speed, in top gear. Then when it was needed for the tranny to downshift, it would bang down a gear or two.

Is that what your Touareg does?
 

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Your not the only one that has had this problem with your tranny, I'm sure VW know's all about it. Seeing as though, they paid my dealership the $12,000+ CAD to replace the tranny with a new one (warranty). Sh!t, If I had to pay for a new tranny myself, I'm not sure what I'd do, I could almost buy a brand new car for that price. Aparrantly, in Calgary (AB), Fifth Avenu Auto Haus is the only VW certified service location to service the Touareg V10 and Phaeton. Is your dealership or do they have a technician that is actually trained to work on a V10? Or are they just guessing, and hoping for the best? I was nervous as hell when they said they needed to drop the engine, but the level and quality of service I recieved from the dealership, helped very much re-assure my nervousness about the operation. They have the engine stand designed to handle the V10 and tranny, and it is only used for that purpose only, so I know they are the only VW Dealer in Calgary that I trust to work on such a complicated machine.

(Edit: Sorry, I assumed you had the V10 in your Treg, None the less, I don't think they are trying hard enough to replicate the problem. A simple test drive up and down the road where their dealership is isn't going to cut it, they need to take it out for a long drive... About 1/2 hour, and hold it at a constant speed in sixth gear (in auto mode). That should hopefully re-create the problem, as it did for me.)
 

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I just had the valve body replaced and 80% of the issue is resolved for me... I was able to replicate at ~ 30MPH. Make sure you are in 5th gear and consistently traveling at ~35-40MPH in 5th gear not 6th (don’t use manual shifting) for about 1-2 miles. When you begin to slow down at about 30MPH the car will downshift to 4th, when you feel the down shift to multiply the effect of the bump give it a little gas and you will get the desired replication. To add more effect add an uphill accent while slowing at 30MPH and a tap on the gas pedal.
 

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Is VW going to put out a "SB" on this?

Has anybody been able to figure out when this problem starts to rear it's ugly head. Mileage? Motor type? Age?

Cya
 

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Mine started happening at 43,000km. It's a 2004. Owned it since about 27,000km. Always took care of her, let the turbos cool down, and not many from stop launches (perhaps 3 times)...
 

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Wow, thanks a bunch to all, V10, alboogie. So I got a 2004 V6, it's got about 40,000 miles and the problem just started back in June. alboogiee gave a perfect description of the same problem I have and everybody is saying Body Valve and Royal Mortors in San Francisco is saying there is no problem at all, I am very nervous because I need to drive up north, wondering if evertyhing could just go bad on me....
 

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My 2004 V8 had the same problem at about 42.000 miles. I was able to reproduce it simply by playing around with the tiptronic. So within 30-50mph I was manually up- and downshifting and then "bang !".
This was enough for the dealer and the VW rep to donate me a new (remanufactured) transmission and a brand new transfer case.

Hope this info helps.
 

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dctech: - I wouldn't worry about your trip up north. If you know the tranny will downshift hard, then just keep it in the back of your head not to step on the pedal too much to make it do that. Perhaps, during your trip there and back, it would worsen enough for the dealer to actually be able to re-create the problem. When my tranny downshifted hard, I left it as-is for about 3 weeks before I actually brought it in. As I use it for work, I just waited till it was convenient for me to bring it to them. It didn't happen very often, only at highway speeds, and only when it needed to downshift. Go enjoy your trip this weekend.
 

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Alright, thanks again guys for all your help. Today, after one week having the car in the shop, VW was able to reproduce the problem Once.
I will take the car back and go through CA to OR.
VW will call me next week so they can replace the <Body Valve> (ah finally). We will see if it does the job or just part of it. Thanks all, have a good weekend. I think I will post more soon...
 

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dctech: Good to hear that they were finally able to re-produce it... It is frustrating when you take your vehicle in, and they find "no problems"!! It's always re-assuring when they start replacing parts for free!

Just a quick note if your still around, try not to make your tranny "Bump" too often, even though you know they will be replacing the valve body, I think it may be especially hard on the drivetrain, ie: drive shafts, transfer case, bearings each time it slams it down a gear... It's like doing a neutral drop, and it can't be good on the overall drive system.

Best wishes,
v10treg
 

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Hey V10, thanks, and yes I did follow your helpful advice. The Treg made it just fine in this trip CA-OR-CA. I got the issue only once, when I forgot about it and did the wrong thing... VW in SF should be able to replace the body valve this week, then I will do another trip into the wild in northern CA. The funny story, last Friday when I went to pick up the car, I told the service guy to look at something, I opened the car, pulled out a piece of paper that had been sitting in the car at the shop since the previous week, and showed him the paper, it was a print out of your postings Guys! plus hand written at the top the words <check body valve>.... I am no magician, you guys rock!
 

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I had my Touareg serviced so i asked my mechanic to see if there is anything wrong with the auto body valve.He told me that everything is ok and that my transimission is working properly, in some road conditions and and in low revs the car can downshift from 6th to 3rd(as the factory instructs).He had some Touaregs in Greece that needed the body valve to be replaced.He said that this happens if the driver makes a bad use of the auto box,like playing with the stick from D to S in a non gentle way.

I paid for the 29000 kms service 388 euros.
 

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Hi to all.

Many time since my last post here.:oops:

In the Spanish Touareg forum FOROTOUAREG many of us have experienced the same problem, but the thing it's VAESA (official VAG group dealer for Spain) doesn't repair any Tiptronic automatic transmission, they only excepts the replacement for another rebuiled one for the amount of 6000$ :mad:

I suffer my self this problem in Touareg and, prior to waste my money, try to solve it changing the ATF fluid (VW says it's lifetime) and adding and additive to do the speed changes softer. the problem was partially (80%) solved and the autotrany behavior have been improved a lot... but doesn't disappears completely :mad:

The mechanic call me back to told me that old ATF oil its contaminated with metallic particles, probably they comes from the friction of different gears or so ¿...?. Don't you think guys this particles could depositate over the valve bodyes and occasioned the problem?

Another members of the Spanish forum have been advised from their workshop about the same question with the ATF. Below I post a picture of the oil filter (sorry about the quality but it's a phone picture in the darkness of the workshop), the black residues over it are the metallic depositions.



Anyway, as I can't solve the problem, I have returned again the car to my mechanic (not VW official, of course) to disassemble the gearbox and try to solve the problem, I suppose he change the valble(s) body(s) as well.

Javier.-
 
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