Avant Rear Brake Upgrade - Rear Brake Porn by request

[bobby singh]

17” might be the way to go but I still love the og look of the 18s. Can’t wait for a tour of the new project

Your username rings a bell mate
Once Im feeling better I'll take you for a blast
See you soon mate

Cheers

[Crawford_S2]

Ok great I'll get some fresh cables and give it another try.
On a side note I done a dry fit and realised the handbrake spring from the B7 calipers makes contact with the stock 16" avus wheels so they won't go on just yet.
I have purchased some 17" from a S6 so when I finally get them (stuck in Germany currently) I'll try this again.

Just want to say thanks for responding Dave .

Cheers
Bobby

17” might be the way to go but I still love the og look of the 18s. Can’t wait for a tour of the new project

[bobby singh]

Ok great I'll get some fresh cables and give it another try.
On a side note I done a dry fit and realised the handbrake spring from the B7 calipers makes contact with the stock 16" avus wheels so they won't go on just yet.
I have purchased some 17" from a S6 so when I finally get them (stuck in Germany currently) I'll try this again.

Just want to say thanks for responding Dave .

Cheers
Bobby

[Tractor Dave]

Which cables did you use? brand etc

Just checked. They were ABS.

[bobby singh]

Which cables did you use? brand etc

[Tractor Dave]

My cables weren't the original. They were new replacements. That's the only difference.

[bobby singh]

On the first post of this thread Ben mentioned the following but the pictures no longer work:

"The last bridge to cross was getting the handbrake cables to fit. The solution to this proved to be very simple indeed.

On the cable the limiting factor to the length is the clamp on section which supports the cable where it goes through the lower arm:


By loosening the metal clamp and cutting back a portion of the rubber shroud we we're able to move the section back down the cable to give enough free length to fit the caliper.

Here is a side by side view so you can see how far it needs to be moved:


As you can see it doesn't need to go far. One side effect of this is that the cable will not fit into its bracket by the fuel tank anymore. Instead it overlaps the corner of the tank:


The two threaded studs towards the top of the image are where the original clamp fits. I'm sure this is going to get some people questioning the safety of my brakes once again but there is plenty of clearance between the cable and the ground so it won't get caught and it doesn't move so there isn't a problem with it rubbing."

Cheers

[Tractor Dave]

I didn't need to move my cable.

[bobby singh]

Have you got the cable routed correctly and fully back? I did this on my Avant but with B6 S4 calipers and the only issue I had was that the end fitting was different so I swapped the lever over.

Hi buddy thanks for replying - yes the cable is routed correctly - as in stock clamps etc are holding the cable where they should be.
The cable goes through the rear lower arm and plastic clips of the cable housing hold it in place - I can only think others have broken these clips to get the extra few cm's?
The adjuster I've slacked off but thats obviously just extending the inner cable not the outter shielding.

See pic below

IMG_6541 - Copy.JPG

[Tractor Dave]

Have you got the cable routed correctly and fully back? I did this on my Avant but with B6 S4 calipers and the only issue I had was that the end fitting was different so I swapped the lever over.

[bobby singh]

Hi - Im hoping someone can help me with this handbrake cable mistry with the B7 s4 set up.
Car is a S2 avant and the everything has bolted up fine but the cable just seems too short. I know others have struggled with this but the pictures are no longer working to show how they got around it.

Here is my issue:
IMG_6539 - Copy.JPG
Many thanks inadvance
Bobby

[Oddi78]

I told you this would be easy on the S2 Avant (and Sedan) - tis the '8E0' conversion I did on my Coupe earlier this year. I'll have to dig out a linky for it...

Differences to Bens work and mine as follows - to best of knowledge -

On the Avant/Sedan with its handbrake layout you can use the 8E0 calipers and therefore retain the disc at 300mm. On the Coupe, the handbrake is problematic with the 8E0 caliper so you need to do things a bit differently - ie use RR/S6 rear calipers, reduce disk diameter to 280mm and use A8/S8 carriers for the 280mm disc.

I never bothered with the backplates / splash shields - hate them really so can't comment on that.

On the Avant/Sedan its all easier cos it all bolts on - the only complexity is handbrake as Ben discussed but it is not a showstopper like the Coupe.

Oh I also see that Ben used the later black coloured calipers - I had the silver ones - then sold to the mighty Ross for his beast.

I still need to get my 996 monos on the front to balance out this combo - all of which could just squeeze into 16" Avus if you wanted - I still have them for winter rubber.


PAul

Hallo!
I have S2 Coupe, and like to upgrade my rear brakes.
Is this correct:
300mm disc from A4 S4 B7?
Caliper from S6 witch year?
Carriers from det A8 D3 1998-2003?

Have you upgraded the brake servo/master sylinder?

[PetiCovaci]

Hello,

Please help me with one question.

My car is a Sedan Audi 80 Quattro with 82mm rear bearings.
I have done the 5x112 conversion and i used 8A0501653A wheel hub for the rear.

I would like to do the 8E0 615 423 C / 424 C conversion for 300mm disc from S4 B5/B6.

My question is, will this conversion need the A4 B5 quattro rear hubs which will give +8mm wider rear trak and will position the brake disc 8mm out ?

The 8A0501653A wheel hub for 82mm bearing has the OE spec and dimensions for Audi B4.

Bellow is the link to the wheel hub i used.

https://www.autewo.de/radnabe-5x112-hinten-fuer-audi-80-s2/b4-entspricht-8a0501653a

I would apreciate your help guys, thank you.

[Julian Iversen]

Does all the 8E0 series carriers fit?

[mcandmar]

In case its of interest to others here is how i did the brake lines using braided stainless instead of regular rubber. I dont do squishy brake pedals!

1)Angle-Brackets off an Audi TT 225 / S3 rear calipers, they angle the brake fitting downwards, and also convert from the 12mm thread on the caliper to a regular 10mm brake hose fitting as per the S2 brake lines.

2)Stainless brake lines made up by HEL Performance (http://www.brake-lines.co.uk/create-...rake-hose.html), i cant find the invoice or order spec so you will have to work out the length you need for yourself.

If i were to order them again i would add the 20degree angle to the caliper fitting end for a bit of strain relief. Thats the only bit i am not entirely happy with as they contact the hub carrier, not a huge issue but i added a length of rubber around the hose to protect them as stainless lines will blow suddenly if the braiding gets damaged.

Other than that everything bolts up, and having covered over 500miles driving around the country this week i am delighted with the difference they have made, they have more or less dialed out all nose dive under heavy braking. Besides the additional braking effort available, the real benefit to me is the fact the car is much more stable under braking allowing you can brake harder with less tram lining and weight transfer. Having a handbrake that works properly is nice too