OEM brake upgrade for 3.0T?

[Jeong Seongshin]

The a6 c7 2016 2.0TDI Premium has the same stock calipers as the Q5 345mm caliper Brembo 4p.

[jbain2]

So the mill requirement is 4 mm @ the inside of caliper mounts.
Few pics of the build I could find:

Attachment 248711
Attachment 248712
Attachment 248713
Attachment 248714
Attachment 248715
Attachment 248716
Attachment 248717
Attachment 248718
Fab table notes:
Attachment 248720
Attachment 248721

Will follow up with more specs shortly.



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Nice! OE A6 rotors (or at least same specs)?


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[fat]

Few of the pieces to make this work successfully.
Calipers were off an ‘10 Q7, same can be sourced from the Cayenne
Mount tabs have been milled 4mm at inside (Hamiltons)
I media blasted and acid washed the calipers, then rebuilt the pistons
Mounting hardware was 10.9 that I got frozen a local supplier. (Wilders - if you’re in Raleigh)
Bolts were M14x45mm, w locknuts and washers.
Sleeves are a M14-M16 x 15mm, these are sleeve bearings also called oilless bushings.
Once bolted up, I trimmed the rotor shields a bit, rolled the edges and sanded smooth before some black spray.
Pads I used a stock Brembo 17z ,I had to repurpose my ABS connectors.
Brake lines are StopTech RS4 B7 they fit without any issues.
Speed bleeders
Rotors are A6 C6 347x30 Brembo’s
Flush and fluids with Pentosine LV
Bleed severe times, overall a noticeable improvement in stopping performance.
Will need to find a Ceramic 17z pad option as the current pads give off a heavy dusting.

These detail the parts to make this work:
Image1634693240.366989.jpg
Image1634693403.661883.jpg
Image1634693626.672806.jpg


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[ewmin3m]

Looks great, nice write-up :D

Thanks for all the details

Few of the pieces to make this work successfully.
Calipers were off an ‘10 Q7, same can be sourced from the Cayenne
Mount tabs have been milled 4mm at inside (Hamiltons)
I media blasted and acid washed the calipers, then rebuilt the pistons
Mounting hardware was 10.9 that I got frozen a local supplier. (Wilders - if you’re in Raleigh)
Bolts were M14x45mm, w locknuts and washers.
Sleeves are a M14-M16 x 15mm, these are sleeve bearings also called oilless bushings.
Once bolted up, I trimmed the rotor shields a bit, rolled the edges and sanded smooth before some black spray.
Pads I used a stock Brembo 17z ,I had to repurpose my ABS connectors.
Brake lines are StopTech RS4 B7 they fit without any issues.
Speed bleeders
Rotors are A6 C6 347x30 Brembo’s
Flush and fluids with Pentosine LV
Bleed severe times, overall a noticeable improvement in stopping performance.
Will need to find a Ceramic 17z pad option as the current pads give off a heavy dusting.

These detail the parts to make this work:
Image1634693240.366989.jpg
Image1634693403.661883.jpg
Image1634693626.672806.jpg


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[grana95]

So if I have a 2011 A6 C6.5 with stock 18 inch wheels, all I need is to get the Q5 calipers and brake lines? Will I need a different set of front pads?

[DC Dawg]

So if I have a 2011 A6 C6.5 with stock 18 inch wheels, all I need is to get the Q5 calipers and brake lines? Will I need a different set of front pads?

Yes pads match the calipers so you will need Q5 calipers or Macan Calipers with one will work. And your rotors are the stock 347mm C6 rotors.

My parts list for reference.

Rotors:
**use stock size 347mm rotors for C6

https://www.buybrakes.com/stoptech-1...-slotted-rotor
https://www.buybrakes.com/stoptech-1...-slotted-rotor

Pads:
**pads are for a Macan with 345mm rotors
https://www.buybrakes.com/stoptech-3...-with-hardware

Lines:
**Lines are for a B8 Audi Q5 3.0T
https://www.ecstuning.com/b-stoptech...950.33016~stp/

Calipers
**2015 Porsche Macan with 4 Piston calipers and 345mm rotors
https://www.harperautoparts.com/oem-...per-95b615123f
https://www.harperautoparts.com/oem-...per-95b615124f


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[grana95]

Awesome I was able to source 2011 Q5 calipers for $85 per side. ill go and order lines and get that installed eventually

[DC Dawg]

Awesome I was able to source 2011 Q5 calipers for $85 per side. ill go and order lines and get that installed eventually

Good deal !


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[grana95]

Was there a non brembo option on the Q5? Not too sure if I got the correct ones now since there wasn’t photos up or a description. I assumed a 2011 Q5 was all I needed.

[ewmin3m]

I think so; i was also looking up q5 calipers and most of the cheap ones i found on ebay looked like they only had the one big piston.

Somebody would have to confirm exactly.

Was there a non brembo option on the Q5? Not too sure if I got the correct ones now since there wasn’t photos up or a description. I assumed a 2011 Q5 was all I needed.

[DC Dawg]

Was there a non brembo option on the Q5? Not too sure if I got the correct ones now since there wasn’t photos up or a description. I assumed a 2011 Q5 was all I needed.

For the 2.0T Q5 there is also 320mm rotor , those are not the Brembo calipers. 2011 I think was the 1st year of the 2.0T - you want 3.0T brakes I’m pretty sure.


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[grana95]

The ones i ordered from Ebay were 4 piston brembo q5 calipers but were off the 2.0T saying 320mm? I wasn't aware that there was a different setup for the 2.0 and 3.0.
Part numbers: 8R0-615-106-BN
:8R0-615-105-BN

[jbain2]

The ones i ordered from Ebay were 4 piston brembo q5 calipers but were off the 2.0T saying 320mm? I wasn't aware that there was a different setup for the 2.0 and 3.0.
Part numbers: 8R0-615-106-BN
:8R0-615-105-BN

There are different part numbers. You will most certainly need the calipers from a 3.0T Q5. Part numbers below.

8R0615108G
8R0615107G



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[a1dan_87]

Was there a non brembo option on the Q5? Not too sure if I got the correct ones now since there wasn’t photos up or a description. I assumed a 2011 Q5 was all I needed.

It has to be from a 2016+ Q5 3.0T if I remember correctly

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[grana95]

So I finally got around to installing the calipers only to find out that they do not fit. They are the brembo calipers but the label did say from a 2.0T. What is the year make model that will have the correct crossover as well as the part number?

Do you guys think that if I remove the dust sheilds it will have clearance? or are these calipers useless at this point?

[grana95]

I was looking at OEM cost on calipers and am surprised to see such a huge difference in price. Any one have any ideas why this may be?

[jbain2]

There are different part numbers. You will most certainly need the calipers from a 3.0T Q5. Part numbers below.

8R0615108G
8R0615107G



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So I finally got around to installing the calipers only to find out that they do not fit. They are the brembo calipers but the label did say from a 2.0T. What is the year make model that will have the correct crossover as well as the part number?

See my post above. Those are the part numbers for the calipers from the Q5 with the 3.0T. The calipers from the 2.0T will not fit and even if they did, the rotors are also smaller than the stock rotors on the A6.


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[grana95]

See my post above. Those are the part numbers for the calipers from the Q5 with the 3.0T. The calipers from the 2.0T will not fit and even if they did, the rotors are also smaller than the stock rotors on the A6.


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Will the Porsche ones fit? Because they are a fraction of the cost

https://www.harperautoparts.com/oem-...per-95b615124f

https://www.harperautoparts.com/oem-...per-95b615123f

[DC Dawg]

Will the Porsche ones fit? Because they are a fraction of the cost

https://www.harperautoparts.com/oem-...per-95b615124f

https://www.harperautoparts.com/oem-...per-95b615123f

Yes. I gave you the entire parts list about 10 posts above. My recommendation is you follow that.




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[grana95]

Yes. I gave you the entire parts list about 10 posts above. My recommendation is you follow that.




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Will I need to remove the dust shields?

[DC Dawg]

Will I need to remove the dust shields?

Yeah you can trim them to fit if you want but I didn’t bother


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[grana95]

Brake pads

What’s the difference between
95B-698-151-H
95B-698-151-G

The only difference I saw is that one says 17 and other says 18.

[Jeong Seongshin]

I have a question. Are there any points to note when installing the brake line?

[DC Dawg]

Brake pads

What’s the difference between
95B-698-151-H
95B-698-151-G

The only difference I saw is that one says 17 and other says 18.

Almost positive they are same, as long as they are macan pads for 350mm rotors you are good.

[Gangbango]

Hello everyone!
I am looking for brake calipers from Audi Q5/Porsche Macan 345mm, 4 pot Brembo, but they are extremely rare. So I found that calipers with the same OE numbers 8R0 615 108(107)G are mounted in Audi A7 2015-2018 Sportback. I may be able to get those from an Audi A7. I just have to be sure that 17" wheels 7,5J ET28 will fit! Everything will be mounted in Audi A6 C6 2010 3.0TDI with 347mm OE brakes. Is there anyone with similar set?

[ewmin3m]

I was under the impression that they wouldn't fit over 17" since I figure the caliper body is bigger... but i have no facts to back that up...

Hopefully somebody can drop some facts and clarify.

If they do fit then I can upgrade my brakes sooner; since they will work for my 17" winters :P

EDIT: kingDL ? i think on the first page said he will test with his 17" winters. dont know if he ever got to it.

Hello everyone!
I am looking for brake calipers from Audi Q5/Porsche Macan 345mm, 4 pot Brembo, but they are extremely rare. So I found that calipers with the same OE numbers 8R0 615 108(107)G are mounted in Audi A7 2015-2018 Sportback. I may be able to get those from an Audi A7. I just have to be sure that 17" wheels 7,5J ET28 will fit! Everything will be mounted in Audi A6 C6 2010 3.0TDI with 347mm OE brakes. Is there anyone with similar set?

[Gangbango]

I will give some info today, because I am going to measure all dimensions needed from the 4pot calipers and compare them with OE calipers of A6 C6 3.0TDI 2010.

[Gangbango]

Unfortunately, the calipers were taken from Audi A7, but the 320mm version. So if I want them, I have two options - downgrading from 347mm to 320mm rotors, or adding a custom steel bracket with new caliper mounting points. I am not sure about either. Still, I took some dimensions which have importance to the fitment of my 17" winter wheels. I measured 60mm +-2mm from outer face of brake disk to caliper's face and 110mm +-2mm from the caliper's mounting axis to it's outer edge. I think it can be useful to someone.

[DC Dawg]

Hello everyone!
I am looking for brake calipers from Audi Q5/Porsche Macan 345mm, 4 pot Brembo, but they are extremely rare. So I found that calipers with the same OE numbers 8R0 615 108(107)G are mounted in Audi A7 2015-2018 Sportback. I may be able to get those from an Audi A7. I just have to be sure that 17" wheels 7,5J ET28 will fit! Everything will be mounted in Audi A6 C6 2010 3.0TDI with 347mm OE brakes. Is there anyone with similar set?

They arent the least bit rare. The link to buy them new has been posted multiple times.

[Gangbango]

Found the calipers I was looking for. From Q5 8R 3.0TDI Quattro. OEN 8R0615105(106)CA. I swapped the calipers just to see if everything is OK. The brake rotor is OEM 347mm for A6 C6. Those wheels are 17" from Audi A5 - 7,5J ET28. There is enough space between the caliper and the wheel.

[ewmin3m]

is that a 4 pot?
i would've thought the outside 2 pistons would be more distinct looking in the caliper housing.

[Gangbango]

Yes, it is a 4 pot Brembo caliper. The pistons are only visible on the back of the housing. The front is very simple and does not have the aggressive Brembo style. I am impressed by the caliper's weight. Much much lighter than the OE A6 C6 347mm calipers.

[sebvw]

Bumping this thread because there’s lots of good info (and many people asking the same question over again).

Question for you 3.0t guys: what are you doing in the rear for upgrades? I may have bought an avant that needs rear brakes and lines, so I’m thinking I might as well upgrade. The front Q5/Macan calipers are definitely also on my list.

Thanks to [mention]DC Dawg [/mention] for posting the PNs!


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[PPETKOV]

Rear disks are 330mm the same size is for S6 which has 385mm for the front.
Therefore I would say that rears can stay. I personally put in front 390mm rotors (from AP Racing) and 6 pot brake calipers from RS6 C6. After ~ 15000 km no issues.
For the rears I've changed the lines with metal ones from HEL. Rotors and pads are OEM.

Anyway if you would like to upgrade the rear you have to get RS6 C6 (can't confirm if they will fit) rotor size is 356mm but the price including rotors is insane.
Even more you have to import the brake calipers from UK or Europe since RS6 C6 wasn't available in north America.

[sebvw]

Rear disks are 330mm the same size is for S6 which has 385mm for the front.
Therefore I would say that rears can stay. I personally put in front 390mm rotors (from AP Racing) and 6 pot brake calipers from RS6 C6. After ~ 15000 km no issues.
For the rears I've changed the lines with metal ones from HEL. Rotors and pads are OEM.

Anyway if you would like to upgrade the rear you have to get RS6 C6 (can't confirm if they will fit) rotor size is 356mm but the price including rotors is insane.
Even more you have to import the brake calipers from UK or Europe since RS6 C6 wasn't available in north America.

Do you (or anyone) know if the rears are the same as the C7s, also 330mm?


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[PPETKOV]

Quick answer: No they are different.

The overall height of the rotors is different:
C7 330x22mm overall height 36mm
C6 330x22mm overall height 49.4mm

[sebvw]

Quick answer: No they are different.

The overall height of the rotors is different:
C7 330x22mm overall height 36mm
C6 330x22mm overall height 49.4mm

- thanks for the info!


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[Jayme]

I have an A6 C6 2.0 tdi 170. I’ve come across C6 S6 brakes for cheap. I’ve read I’d need bigger spindles to accommodate, what is a spindle? Is it the wheel bearing hub or the arm which takes the hub and why do I need it?

Thank you,
Any information would be much appreciated.

Kind regards,
J.

[B18b1ex]

The S6 rears are not 330mm they are 356mm. I’m not sure where that information came from. I have them on my b8.5 S4




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[B18b1ex]

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