DSG Auto DMF Failing or Failures Thread

El Dobro

Top Post Dawg
Joined
Feb 21, 2006
Location
NJ
TDI
2017 Bolt EV Premier, 2023 Bolt EUV Premier
From the oil circuit diagram, the oil's going through the filter before it hits the pump.
 

oilhammer

Certified Volkswagen Nut & Vendor
Joined
Dec 11, 2001
Location
outside St Louis, MO
TDI
There are just too many to list....
That's good to hear. What did you think of the teardown process? Did you think it was difficult?
Not at all, but I was not worried about putting it back together either.

I did accidentally rip the electrical unit apart, so that was a no-no. :p

I know now not to remove those few screws.

It is actually a pretty simple valve body really, even with the control unit integral with it.
 

meerschm

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Joined
Apr 18, 2009
Location
Fairfax county VA
TDI
2009 Jetta wagon DSG 08/08 205k buyback 1/8/18; replaced with 2017 Golf Wagon 4mo 1.8l CXBB
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redbarron55

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Joined
Jul 10, 2010
Location
Navarre, FL.
TDI
2012 Touareg TDI Executive
It looks to me like the suction filter should keep the trash out of the pump and the other filter filters the oil that sprays on the gears etc in the gearbox after the oil cooler.
I don't know where the metal would come from other then the pump.
This would have me looking at the pump for problems.
This trash is a symptom of the problem. They need to be cleanse, but the source of the metal needs to be found.
 

jtgott317

Well-known member
Joined
Jan 21, 2016
Location
Danville, IN.
TDI
06 jetta BRM dsg
It looks to me like the suction filter should keep the trash out of the pump and the other filter filters the oil that sprays on the gears etc in the gearbox after the oil cooler.
I don't know where the metal would come from other then the pump.
This would have me looking at the pump for problems.
This trash is a symptom of the problem. They need to be cleanse, but the source of the metal needs to be found.
I'm about 99% positive the metal/debris is from the former clutch pack. It was pretty chewed up. But you guys bring up a good point on how the debris would get past the filter.
 

SilverGhost

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Joined
Mar 25, 2005
Location
Back in So Flo - St Lucie
TDI
'05 Golf - totaled :(, wife's '13 Beetle - buy back, TDIless
Watch out for snapping pump drive shaft. A little solid debris is all it takes to snap the shaft off. It is an available part, but how do you get the rest of the debris out that caused this? Anyway, that was the conversation I had with helpline. For one, about $50 part, we replaced a whole transmission to be sure the car didn't come back and to keep the customer happy.

Ultimately this comes up whenever there is debris floating around in an automatic. Unless I ran a transmission shop that hot dipped and flushed everything I wouldn't fix that transmission. And even if I did, the labor to fix that right would be atrocious. Now my car, as a project, that's a different story.

Jason
 

Marauderer

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Joined
Oct 28, 2006
Location
Powder Springs, Georgia
TDI
06 Jetta "Diesel Edition"

gassprint1

Active member
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Aug 14, 2017
Location
Knox iN
TDI
2006 jetta
I know this thread has been brought back from a few years ago an now i am adding on it too, but alot of you seem to not be bothered by it as i have seen you be very helpful and i thank you for that...
My issues is after reading all this info,,...it's so overwhelming. like what the hell have i got my self into. damn, cadilac seems to be cheaper to repair over time. I have had the timing set done, new rotors an pads, a tranny was put in just before i got the car i found out. the ac or cooling fans won't come on or maybe both. got it narrowed down to that i think without someone doing a vag scan on it to test things. air bag light is back on after the battery was unhooked. dealer reset it at the time the timing set was done. now i have been hearing the rattling going on and thought it was the ac compressor. well it's the DMF for sure. found this out a few days ago when i was test power leads for the compressor an cooling fans......***.. you gota be rich to own one of these cars and the dealers seem to be getting rich off repairing these cars. I haven't told the gf about the DMF yet, she's guna freak and probably start crying because we just can't keep up. I can do the work myself and will take longer being a first time dealing with these cars in that area.
Anyways, just confiming the above DMF pt# 03G105266CG above is for my car also so i know. VIN#3VWCT81K06M852015
 

E_Cambridge

New member
Joined
Jul 28, 2021
Location
Melbourne Australia
TDI
R32 Golf
I understand that this is a very old forum and for TDI's however my mk5 R32 has similar issues that no ones been able to diagnose yet.

When car is cold it makes the DMF rattling noise that your able to find on YouTube. (
) specifically around 40 seconds.
Once warm this noise disappears however I get very audible clunks when slowing down with the car downshifting. From 4th-3rd, 3rd-2nd and 2nd-1st in drive.

Doesn't always occur but clunk always happens when going from 2nd to first. Can also be felt through the floor occasionally.
Car shifts up fine and only heard the clunk noise once when shifting up and that was whilst using the paddles and shifting at low RPM.
Also going to note that the car (very very rarely has only happened twice) doesn't let the clutch out when pulling away from the lights slowly so the car just sits there and revs untill I reapply the break and take off again. I'm aware this is probably the MU however due to it happening so rarely this isnt the top concern at the moment.

Has slowly gotten worse and its starting to worry me. I'm thinking that it is the DMF after researching for a few hours.
I'm looking for advice on what it could be. Its my first car and I even paid slightly to much (due to impeccable service history) so that these sorts of issues wouldn't happen. Worked a long time to be able to afford it and just trying to not get ripped off getting it fixed.
Just looking for some advice/ guidance. Thanks.
 

2004LB7

Veteran Member
Joined
Jun 2, 2013
Location
California
TDI
2006 Jetta
Well I get to throw my hat in the ring and announce I am a proud owner of a failed DMF. didn't really notice anything out of the ordinary until this morning. looks like it came on pretty fast for me or I missed the earlier signs. it's bad enough now that I don't think it's safe do drive or I risk further damage

so what's the latest consensus on the newest lastest most up to datest DMF to replace the stock one? IDParts? Dealership? somewhere else? what about the SMF? are they still frowned upon or have they been used with good success. how about any other parts that are recommended to replace? haven't really kept up on the current state of flywheels
 

SilverGhost

Veteran Member
Joined
Mar 25, 2005
Location
Back in So Flo - St Lucie
TDI
'05 Golf - totaled :(, wife's '13 Beetle - buy back, TDIless
As far as I know there is no SMF for DSG. That is a viable manual trans option, however.

They have been update and newer ones act different enough that techs first thought the new part was broken. But confirmed with VW tech line they are normal

Jason
 

2004LB7

Veteran Member
Joined
Jun 2, 2013
Location
California
TDI
2006 Jetta
ok. so it looks as if the Luk is the latest part. is there places to avoid purchasing from? like is there cheap Chinese knockoffs that I should avoid by purchasing from a particular place or is Amazon or whatever generally safe enough?
 

2004LB7

Veteran Member
Joined
Jun 2, 2013
Location
California
TDI
2006 Jetta
any know for sure if the CJAA DMF126 Dual mass flywheel will work in my BRM? found only one old thread where someone used it and said it worked but nothing else. apparently it's 1mm thicker or the ring gear is

or is the newer DMF092 been proven in higher HP BRMs and upgraded DMFs not worth worrying about?
 

relumalutan

Veteran Member
Joined
Dec 6, 2012
Location
Michigan
TDI
06 Jetta TDI Special Edition
any know for sure if the CJAA DMF126 Dual mass flywheel will work in my BRM? found only one old thread where someone used it and said it worked but nothing else. apparently it's 1mm thicker or the ring gear is

or is the newer DMF092 been proven in higher HP BRMs and upgraded DMFs not worth worrying about?
I have replaced the DMF on my 06 BRM DSG at 143k. Since then I got a Malone Stage 1.5 tune until 260k and since then a Malone Stage 5 tune. The DMF started rattling at 295k. I always drove the car conservatively. I have been told by Malone that a stage 5 tune is providing 150-170 HP. All I know is that the engine has a lot of torque.
 

2004LB7

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Joined
Jun 2, 2013
Location
California
TDI
2006 Jetta
yeah, I guess that's one way to look at it. it'd probably be another 100k miles & many years later before it became an issue again. and who knows if I'll even have the car then. looks like I'll just purchase the upgraded LuK DMF092

I purchased the vehicle at 130k miles and I was told by the previous owner that the DMF was replaced with the upgraded one not long ago. who knows if that true or not as there is no real way to check short of pulling the trans. I'm at 160k miles now so if true then this one may have lasted a little more then 30k with a stage 5 tune. if not, then it lasted 160k miles (30k with stage 5 tune) and I'm inclined to think the latter is more likely.
 
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2004LB7

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Joined
Jun 2, 2013
Location
California
TDI
2006 Jetta
replaced the DMF over the weekend. had trouble getting the transmission twisted enough to get the room that I ended up pulling the lower A arm mount that was in the way and pulled the transmission out. Transmission went in easier then taking it out. all went pretty good. rebooted the diver side CV axle while I had it out as it had torn boots. old DMF rotated approximately 1.5 inches, new one is about 1/2 inch

I want to say it shifts better now but that may be the placebo effect. certainly quieter if nothing else
 

calimustang

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Joined
May 17, 2010
Location
Central FL
TDI
2011 JSW DSG (buyback, RIP), 2014 JSW TDI, 2015 Passat TDI, 2013 Jetta TDI.
replaced the DMF over the weekend. had trouble getting the transmission twisted enough to get the room that I ended up pulling the lower A arm mount that was in the way and pulled the transmission out. Transmission went in easier then taking it out. all went pretty good. rebooted the diver side CV axle while I had it out as it had torn boots. old DMF rotated approximately 1.5 inches, new one is about 1/2 inch

I want to say it shifts better now but that may be the placebo effect. certainly quieter if nothing else
I'm curious.... when on the highway cruising at 65 mph then accelerate, does it vibrate as it is being under load from the engine? (as if it cant handle it anymore)
 

2004LB7

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Joined
Jun 2, 2013
Location
California
TDI
2006 Jetta
I'm curious.... when on the highway cruising at 65 mph then accelerate, does it vibrate as it is being under load from the engine? (as if it cant handle it anymore)
no. it is pretty solid with it's acceleration. it does have a little bit of a shudder sometimes upon accelerating from a stop that I think may be due to the engine mounts but once moving it is smooth all the way up at any speed or throttle
 
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