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VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old February 25th, 2003, 19:53   #1
Drivbiwire
Zehntes Jahr der Veteran
 
Join Date: Oct 1998
Location: Boise, Idaho
Default Automatic Transmission Fluid Change procedure

Here is the step by step on how to change the ATF fluid in the TDI 4 speed 01M Automatic transmission. For the parts lists I included cropped picture links to the ETKA pages relative to the 01M transmission.

Here are two links to the complete Automatic fluid change .pdf format, Both are the same file and suitable for printing complete with the pictures, First link and both .pdf files are compliments of Gewilli

LINK 1
http://www.cst.cmich.edu/users/willi...luidchange.pdf

LINK 2
http://pics.tdiclub.com/members/driv...0Procedure.pdf

NOTE:
-This procedure does not cover the replacement of the differential fluid which is independent of the ATF and is a different type of fluid. Please refer to the Bentley manual for the simple instructions on changing and checking this fluid.

-This job relies on ABSOLUTE cleanliness. Some of the pictures do not reflect the cleaning that took place when reinstalling the parts due to reuse of certain picture frames. Above all make sure that no dirt is allowed to get into the transmission housing. The housing and valve controls contain extremely close tolerance electronically controlled servo valves similar to those found inside the TDI injection pump.

Parts needed:
http://pics.tdiclub.com/members/driv...edure/1ATa.jpg

(1) 01M 325 429 "Oil Strainer"Fig 1
(1) 01M 325 443 "gasket" Fig 2

http://pics.tdiclub.com/members/driv...edure/1ATb.jpg

(1) 096 321 370 "gasket" Fig 16

http://pics.tdiclub.com/members/driv...edure/1ATc.jpg

(1) N 013 811 5 "sealing washer" Fig 21
(1) 01M 321 435 B "cap" Fig 23
(1) 01M 321 432 A "plug" Fig 24 optional

Fluid needed per the Bentley Manual:
"VW ATF is obtainable as a spare part.

-Container size 1.0 ltr. (1.0567 qt) - Part No. G 052 162 A2"

Note: I found that 4 liters were needed when replacing the filter as outlined in the following procedure.

Fluid and filter change Procedure:

First remove the plastic side liner that covers the driver side of the transmission. There are two washer retainers that can easily be removed turning them off with a flat screwdriver.

Front flat washer
http://pics.tdiclub.com/members/driv...cedure/AT1.JPG

Rear flat washer
http://pics.tdiclub.com/members/driv...cedure/AT2.JPG

Next remove the guard on the transmission pan. This requires removing 4 bolts, (2) on the engine side, (2) on the outer most drivers side of the transmission.
http://pics.tdiclub.com/members/driv...cedure/AT3.JPG

http://pics.tdiclub.com/members/driv...cedure/AT4.JPG

Using an Allen socket remove the allen cap on the transmission pan, not fluid will drain out once loosened so be ready to catch about 2 liters of fluid.
http://pics.tdiclub.com/members/driv...edure/AT5a.jpg

http://pics.tdiclub.com/members/driv...cedure/AT5.JPG

http://pics.tdiclub.com/members/driv...cedure/AT6.JPG

With the initial amount of fluid drained from the transmission, you will need to remove the plastic baffle. This is a red 2 inch long insert that retains a majority of the fluid.
http://pics.tdiclub.com/members/driv...edure/AT8a.jpg

This insert is also what is used to determine whether or not you have the correct amount of fluid in the ATF pan when refilling. This will be discussed later in the procedure. For now insert your allen and remove it being careful not to strip it out since its only plastic. Use caution because the fluid may still be hot and once the baffle is removed fluid will rush out the hole.
http://pics.tdiclub.com/members/driv...cedure/AT7.JPG

http://pics.tdiclub.com/members/driv...cedure/AT9.JPG

http://pics.tdiclub.com/members/driv...edure/AT9a.JPG

Now with the fluid drained reinstall the plastic insert and the allen cap loosely, the reason is you will need to remove it later to determine proper fill level.
http://pics.tdiclub.com/members/driv...cedure/AT8.JPG

With the fluid drained now your going to remove the four bolts that hold the pan to the bottom of the transmission.
http://pics.tdiclub.com/members/driv...edure/AT9c.JPG

http://pics.tdiclub.com/members/driv...edure/AT9d.JPG

http://pics.tdiclub.com/members/driv...edure/AT9e.JPG

http://pics.tdiclub.com/members/driv...edure/AT9f.JPG

Now lower the pan to the floor and if you have to drain off the rest of the residual fluid in the pan.
http://pics.tdiclub.com/members/driv...edure/AT9g.JPG

Looking up at the transmission valve housing you will see the filter with its steel base suspended from the housing. The filter is simply a press fit into the valve housing requiring a simple twist removal. Be careful NOT to pry downward so that you do not crack off the possibly brittle plastic.
http://pics.tdiclub.com/members/driv...edure/AT9h.JPG

http://pics.tdiclub.com/members/driv...edure/AT9i.JPG

http://pics.tdiclub.com/members/driv...edure/AT9j.JPG

This a comparison shot with the new filter and seal along side the old filter and installed seal.
http://pics.tdiclub.com/members/driv...edure/AT9k.JPG

Picture of the new seal installed on the new filter.
http://pics.tdiclub.com/members/driv...edure/AT9l.JPG

Gently press the new filter up and into the valve body, notice that the filter may sag a bit, this is normal since the only thing holding it in is the small seal and insert into the valve body.
http://pics.tdiclub.com/members/driv...edure/AT9m.JPG

Take the fluid pan and remove the old seal. I suggest cleaning out the pan and wiping it down. I noticed that on this transmission the magnet was cracked, I did not replace it but on the next change a new one will be ordered. Now reinstall the new seal.
http://pics.tdiclub.com/members/driv...edure/AT9n.JPG

http://pics.tdiclub.com/members/driv...edure/AT9o.JPG

Reinstall the pan back on the transmission with the four bolts. Torque for the four bolts are 12 Nm (9 ft lb)
http://pics.tdiclub.com/members/driv...edure/AT9p.jpg

Next step is to remove the red security cap. IF your careful you can remove it without damaging it.
http://pics.tdiclub.com/members/driv...edure/AT9q.JPG

Cap removed:
http://pics.tdiclub.com/members/driv...edure/AT9r.JPG

Cap opened:
http://pics.tdiclub.com/members/driv...edure/AT9s.JPG

Insert pry tool:
http://pics.tdiclub.com/members/driv...edure/AT9t.JPG

Pry tool up:
http://pics.tdiclub.com/members/driv...edure/AT9u.JPG

While holding the tool open the cap:
http://pics.tdiclub.com/members/driv...edure/AT9v.JPG

For the filler plug you need to pry up some small tabs as well. Using the same tool pry them up, twist and remove the plug.
http://pics.tdiclub.com/members/driv...edure/AT9w.JPG

http://pics.tdiclub.com/members/driv...dure/AT9y1.JPG

http://pics.tdiclub.com/members/driv...dure/AT9y2.JPG

Taking a 2 foot length of 3/4" heater hose slide it onto the fill port. Insert a funnel to make the filling process easier and reduce the chance of spilling. I suggest measuring the amount drained and refill that exact amount, this will cut the time to check the proper fill amount.
http://pics.tdiclub.com/members/driv...dure/AT9y3.JPG

http://pics.tdiclub.com/members/driv...dure/AT9y4.JPG

http://pics.tdiclub.com/members/driv...dure/AT9y5.JPG

The next step requires the use of the VAG-Com and removal of the allen nut on the transmission pan. First off look at the picture taken out of the Bentley CD. This give you an idea of what it is that we are going to be checking.
http://pics.tdiclub.com/members/driv...dure/AT9y6.jpg

This is a condensed version of what is in the Bentley Manual:

FLUID LEVEL CHECKING PROCEDURE

Now start the car and go into the transmissions data blocks and go to block 005, this will display fluid temp.

-ATF temperature not above approx. 30C (86F)
-Vehicle level
-Selector lever in "P"
-If ATF is below 30C (86F) bring the ATF up to test temperature.
Test temperature: 35C to 45 (95 to 113F)
-Remove ATF level plug from oil pan.

CHECKING PHYSICAL QUANTITY

If ATF drips out of hole:
ATF need not be topped up.
-Install new seal on plug and tighten to 15 Nm11 ft lb).
ATF check is completed.

If ATF does not drip out
-Remove plug from filler line.
-Fill with ATF until ATF runs out of level hole
-Install new seal on plug and tighten to 15 Nm (11 ft lb).
ATF check is completed.

CAUTION!
Too little or too much ATF will adversely affect transmission function.

DB

<small>[ February 26, 2003, 15:09: Message edited by: Drivbiwire ]</small>

Changed a typo for Pete. Moderator.
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Old February 25th, 2003, 19:58   #2
DeafBug
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Default Re: Automatic Transmission Fluid Change procedure

That is great! Umm, mind fixing some of the links above. It is nice that you take the time to do this hard work like the TB procedure you wrote up.
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Old February 26th, 2003, 04:24   #3
Bill Kriese
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Default Re: Automatic Transmission Fluid Change procedure

How does one contact you these days Pete?
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Old February 26th, 2003, 06:18   #4
Judson
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Default Re: Automatic Transmission Fluid Change procedure

Egads, that was a lot of work! Thanks!

Jud.
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Old February 26th, 2003, 06:26   #5
Judson
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Default Re: Automatic Transmission Fluid Change procedure

That was excellent. That fluid sure looked brown!
How many miles were on that fluid?

Do you recommend only the approved VW tranny fluid?

Finally, did I miss the picture of the fluid level check allen nut? It's on the front side of the tranny, correct?

Thanks,

Jud.
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Old February 26th, 2003, 06:26   #6
Frankenwagen
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Default Re: Automatic Transmission Fluid Change procedure

Great post Drivbiwire! What is the mileage you are doing the change at?

One other suggestion, and it looks like you did it to some degree is that when this procedure is performed, remove as much dirt possible around the tranny. Cleanliness cannot be stressed enough. The smallest particles can cause big problems if they get in there.

I will give some more commentary here on this transmission however: I love it! I have one in my first TDI, a 1999 New Golf, where I think the auto transmission was a late introduction to the New Golfs that were a late introduction to the 1999 model year. (Does this make my car a 1999 and 3/4?) What I don't love is the way of checking the fluid. What a joke! I can understand some of the logic behind it. It keeps butch mechanics (or should I say technicians)from knob dicking with it, that is for certain. Uhhhhh, where's the dipstick? And, who can say that it isn't accurate. But how shortsighted is it where you need a laptop to check the oil and tell it is low but can't even tell how low it is with this sophisticated equipment. I can tell you how low it is in 5 seconds if it had a dipstick! So in that regard, I don't think this setup is OK. One step forward, two steps back. All this and it still does not get comparable mileage to the manual shift. Here I think VW needed to take some lessons from Honda. They really know or care to do something right with automatics. I suppose the DSG transmission we will soon me seeing is a step in the right direction. Can't wait to see how you fill that one. With all the issues and difficulty in having to service this transmission, I decided to get back to the roots. That is one of reasons the TDI wagon I just bought a couple of weeks ago is a 5 speed. Gotta get back to the roots. I still love that Golf though.
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Old February 26th, 2003, 06:53   #7
Drivbiwire
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Default Re: Automatic Transmission Fluid Change procedure

Quote:
Originally posted by Judson:
That fluid sure looked brown!
How many miles were on that fluid?

Do you recommend only the approved VW tranny fluid?

Finally, did I miss the picture of the fluid level check allen nut? It's on the front side of the tranny, correct?

Thanks,

Jud.
<font size="2" face="Verdana, Helvetica, sans-serif">There were 80,000 miles on the fluid.

Ye only the OEM VW trnsmission fluid may be used in the 01M Autmatic transmission. This is NOT a generic "ATF".

Here is a picture of the new fluid in a stainless steel bowl. The fluid is similar in color to the manual fluid.


As far as checking the fluid level refer to the end of the procedure. I left the checking of the fluid to a mostly text description. Reread the procedure a couple of times and once you understand it completely it will make sense.

As far fluid change intervals, I subscribe to the 80,000 mile rule on these transmissions. There was a residue of what I would guess to be clutch plate material in the pan. Not a thick layer just a very very thin film.

Since these transmissions are liquid cooled using an internal coolant/fluid heat exchanger the fluid temperature is pretty well regulated so I doubt you will ever see any extreme temperatures with them.

One thing that I will look into later on is the adjustments that can be made to these transmissions that cannot be done on the manual 5 speeds. I have found that on the manual transmissions that at 300,000 miles the internal shafts need to be reshimmed requiring you to split the case and perform a complete tear down. On the Automatics you can reset the preloads on the differential with the transmission still in the car. I fully expect the automatics to last a very long time before needing a rebuild. Unlike the manual transmissions the automatics do need a periodic fluid change to keep the fluid flow through the filter at optimal levels for pressure and cooling and reduce the chances of pump cavitation.

DB
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Old February 26th, 2003, 07:06   #8
Drivbiwire
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Default Re: Automatic Transmission Fluid Change procedure

Quote:
Originally posted by Frankenwagen:
I suppose the DSG transmission we will soon me seeing is a step in the right direction. Can't wait to see how you fill that one.
<font size="2" face="Verdana, Helvetica, sans-serif">From the Vortex:


The DSG is going to be interesting but I am not sure how this will compare with the CVT trnsmissions. The DSG does offer an advantage in that has a positive pathway to transfer power rather than relying on a steel band working againt pulleys in the case of a CVT.

DB
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Old February 26th, 2003, 09:26   #9
michTDI
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Default Re: Automatic Transmission Fluid Change procedure

Thanks a LOT Pete. You said a while back that you'd put this together-and here it is!!! Can this be made into a pdf file-and then be put in the "articles" section (like the timing belt procedure was)???
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Old February 26th, 2003, 09:29   #10
GeWilli
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Default Re: Automatic Transmission Fluid Change procedure

michTDI, I thought you had a 5 spd?

[img]images/icons/wink.gif[/img]

as for PDF . . . if someone has it as an HTML with all the images in it I'll format it into a PDF . . . .

Pete? wanna put that together and send me the file for conversion?
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Old February 26th, 2003, 11:09   #11
lrpavlo
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Default Re: Automatic Transmission Fluid Change procedure

I sure would like to be able to print this out with the pictures.
[img]images/icons/rolleyes.gif[/img] I have to read things so darn many times before they make any sense now! [img]images/icons/shocked.gif[/img]
Thankx Pete! Meander's car has 139K miles....guess I'm a little behind in doing this eh?
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Old February 26th, 2003, 13:15   #12
spoilsport
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Default Re: Automatic Transmission Fluid Change procedure

Pete:

Congratulations on another very generous donation of time and effort to Fred's!

BTW....That was a joke when you mentioned 'pry tool' in the write-up, wasn't it? Tell me it was just a screwdiver!! [img]images/icons/grin.gif[/img]
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Old February 26th, 2003, 13:39   #13
GeWilli
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Default Re: Automatic Transmission Fluid Change procedure

Lew,

are you contemplating adding another item to the 16th's GTG [img]images/icons/grin.gif[/img]

sounds like to ensure i'll be there all day and long enough maybe I'd better take a collection and get my wife and daughter a plane ticket to make sure she's out of town [img]images/icons/wink.gif[/img] (the up in the air bit for here is the drive and what our daughter's mood is like [img]images/icons/grin.gif[/img] )

Here is a high speed mirror (well might be faster than the Pic Server dunno) of the file:
01M 4 Speed Automatic Fluid change Procedure (PDF)
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Old February 26th, 2003, 15:10   #14
Judson
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Default Re: Automatic Transmission Fluid Change procedure

Thanks, Pete.

This sound like the fill-hole method used in the older manual VW trannies. But sometimes a picture
is worth a thousand words.

Anyway, per the DSG: from the R32 forum, this
tranny is most definitely torque limited in its
very operation to 250 ft. lbs. of torque. No
modding of the R32 engine for more torque (power),
or you'll void the warranty and very, very likely
do damage. It's been a long, involved discussion
over there, but very detailed. As a result, the
vast majority of prospective R32 buyers want
the 6 speed (so they can bolt on the supercharger,
of course).

80,000 miles, eh? That's a good three years away
for me.

Jud.
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Old February 26th, 2003, 15:12   #15
Drivbiwire
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Default Re: Automatic Transmission Fluid Change procedure

Quote:
Originally posted by spoilsport:
Pete:

Congratulations on another very generous donation of time and effort to Fred's!

BTW....That was a joke when you mentioned 'pry tool' in the write-up, wasn't it? Tell me it was just a screwdiver!! [img]images/icons/grin.gif[/img]
<font size="2" face="Verdana, Helvetica, sans-serif">I should have been more clear that its a pointed straight dentist tool. I knew that but you did not know that, just one of those little details I forgot to mention... Can't tell people EVERY little trick no can I [img]images/icons/wink.gif[/img]

Thanks,
DB
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