Axle Seals or Flange Seals???????

**timjadams** · 06-18-2008 08:36 PM

I have a 2000 a4 with quattro 1.8t with ATW. Is there a difference between flange seals and axle seals? I took it to a transmission shop and they told me i needed front axle seals and a ta tail seal. I called the dealer to ask for the parts and they do have them. I purchased them. Anyone one have or know of a DIY for this? I need help......On my way to a trouble free A4.....

**djwimbo** · 06-18-2008 09:09 PM

where are you in MI?
I just did mine in my rear diff. Not hard.

they call the axle seals flange seals b/c out CV's unbolt from flange instead of pulling out like "normal"

**Euro-Tuner** · 06-18-2008 09:51 PM

there are two difference parts by that name according to ETKA, Im coulndt tell you which one your mechanic is talking about without looking, but either way its a relatively easy fix and the parts arent too expensive.

**timjadams** · 06-19-2008 04:52 AM

I am in THE D!!! Does any one know how to remove them? I have a good mechanic, however it looks like he was having a little trouble. Do you all know of any DIY's? Any pics?

**timjadams** · 06-19-2008 05:23 AM

http://www.brokevw.com/020flange.html

this is the write up for changing

**dougyfresh** · 06-19-2008 09:37 AM

Front axle flanges?

For the front:

Find an old (and strong) 8mm bolt (two). Thread them through the flange where the CV bolts would be and have it make contact on the transmission. Both bolts are 180deg apart from each other. There is a flat plate type section on the trans case near the flange. Tighten one bolt up against that flat plate. Tighten it a bit, then back off a quarter turn to relieve pressure. Rotate the flange 180 and do the same thing with the other bolt. Keep doing this (evenly on both sides) and you'll eventually work the flange out and off of the trans. Simple flange puller.

I just did this on my 2.8 trans for I have to swap flanges from my B6 1.8 trans in order to use the 2.8 in my car.

Or, you can make a puller like in the link provided above...

**djwimbo** · 06-19-2008 09:47 AM

Bolt size should be 8x1.25 & ~50mm long. IIRC.
AllData and Mitchell OnDemand both said to do the above technique to remove the flange. On my rear diff I actually had to take out the center bolt that goes into what looks like the side gear. No puller needed once that bolt came out, it just pulled out smooth and easy.

**timjadams** · 06-19-2008 10:44 AM

What about the circa clip? Does this come into play.....

**timjadams** · 06-20-2008 11:24 AM

My bearings went in my drive flange shaft. Anyone know where I can get this shaft except the dealer?????? Passenger side, 2000 a4 1.8t quattro

**djwimbo** · 06-20-2008 12:20 PM

The Cir-clip would be on a "standard" CV shaft that had a splined pin off the end. Since we have the bolted flanges, we don't get those. It's a blessing and a curse at the same time.

What bearings are you talking about? I'm not sure what you mean by drive flange shaft.

**timjadams** · 06-20-2008 09:13 PM

The drive flange shaft that the CV bolts onto rides on a bearing that has a part number but is not available by itslef. You have to buyt the whole shaft which costs $300 bucks at the stealer....I mean dealer. Auto parts places do not sell it because it is too intracate with the tranny. I searched all over the internet. I did not call any local junk yards because I was tired of calling places on the web. I called A-P Specialist and they found one for me....still with the shaft.

**Pelican** · 09-05-2013 04:15 PM

Is this different than the S4 trans and axle flanges with the 6 mm bolt holding the flange on? I'm confused...

**walky_talky20** · 09-05-2013 08:40 PM

^It could be, if we are talking about the 5-speed manual transmission. Unfortunately, not a single person in this entire thread has specified whether they are talking about Manual or Automatic, so nothing makes any sense. The procedure is vastly different for each.

**Pelican** · 09-06-2013 01:41 AM

I am swapping S4 brakes and all front end components from a 2001.5 manual to a 2000 A4 manual 1.8t. I'm having problems with removing my A4 trans axle flanges to swap the S4 flanges since they are different sizes. I need to know how to get the A4 flange off then I need to know will the S4 screw on flange work on my 5 speed tranny? Thanks

**walky_talky20** · 09-06-2013 08:28 AM

Pelican, I assume you are trying to swap flanges so you can use your S4 axles. That's not going to work unless you swap the entire 6-speed manual gearbox as well.

The description of your situation:
- Your uprights have large 82mm outer joints, but your A4 axles have 75mm outers
- Your 5-speed trans has 100mm inner joints, but your S4 axles have 108mm inners

Here are your options:

Option A- Forget the S4 axles, use B5 A4 2.8 quattro 5MT front axles instead. (must be 2.8, must be quattro, must be 5MT, no exceptions). These axles have 82mm outers and 100mm inners. Done and Done. Should be $75 for the pair at a junkyard for genuine OEM Audi axles w/6 month warranty.

Option B - Swap your 100mm A4 axle inner joints *onto* your S4 axles. This may or may not actually be possible, but worth a shot seeing as you have both axles sitting right there. If this works make sure and let us know.

Option C - Convert your 5-speed transmission to use 108mm inners. The S4 6MT flanges won't do this magic, as you have found out. This requires flanges ("cups") from a 5-speed FRONT WHEEL DRIVE transmission. B5 Audi or B5 VW Passat. The FWD models used 108mm inners. I believe these are mostly the 1.8T FWD models. Most (all?) of the V6 FWD cars used 130mm tripod inners which obviously won't help you. These flanges cost approximately 1 million dollars at the dealer, and getting them used without buying an entire transmission is very difficult. Borderline impossible, actually.

Option D - Swap in the 6MT from the S4.

So those are your options. I recommend trying option B, and option A if that doesn't work.

**Pelican** · 09-06-2013 10:09 AM

Ya I was thinking that was going to be the case. Ill grab some 2.8 axles and sell these. What about the rear? I'm planning swapping axles hubs and brakes back there as well. Same problem or is the dif flanges the same? I have all the s4 parts already and my brakes axles and bearings are shot which is the main reason for the huge swap.

**walky_talky20** · 09-06-2013 10:57 AM

Diff flanges are different in the rear from A4 to S4. However, they are direct swap between the diffs if you want to use your S4 axles.

**Pelican** · 09-06-2013 04:30 PM

Does it matter the year for 2.8? 12v or 30v? Or just as long as it is 5mt FWD? Thanks again

**walky_talky20** · 09-06-2013 07:57 PM

Originally Posted by Pelican

Does it matter the year for 2.8? 12v or 30v? Or just as long as it is 5mt FWD? Thanks again

Please be very mindful of the details here. As I said before: "2.8 quattro 5MT front axles...(must be 2.8, must be quattro, must be 5MT, no exceptions)"

- V6 Front wheel drive axles (manual or otherwise) will not work at all for your application
- 12v or 30v does not matter. You need 2.8 quattro 5MT front axles from a B5 A4 1996-2001.5
- Alternatively you can use front axles from a 2001 (or 2001.5) 1.8T quattro 5MT (cars with 170hp "AWM" engine). They are the identical part numbers as the 2.8 axles.