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Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHBrake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Leading reported evidence

Replace bleeders w/ oem bleeders

Performed · outcome unconfirmed

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster

Last year I replaced all the bleeders w/ OEM bleeders.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help
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Leading evidence: 'Replace bleeders w/ oem bleeders' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace bleeders w/ oem bleeders' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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1 matching discussions · 8 captured posts examined · 0 partial discussions

Compare 4 other evidence results

Replace flex lines so hopefully they come off easily

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I replaced the short hard lines last year when I replaced the flex lines so hopefully they come off easily.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace piston/fluid seals

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Given the work you have done already your in a good place, at your mileage if it were me i would not plan to replace the pistons, you can inspect them when you remove to replace the piston/fluid seals.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace pistons, think i still should

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I was not planning on replacing the pistons, think I still should replace them anyway?

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace pistons, you can

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Given the work you have done already your in a good place, at your mileage if it were me i would not plan to replace the pistons, you can inspect them when you remove to replace the piston/fluid seals.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help
Frequently discussed actions (8)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace bleeders w/ oem bleeders

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster

Last year I replaced all the bleeders w/ OEM bleeders.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace flex lines so hopefully they come off easily

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I replaced the short hard lines last year when I replaced the flex lines so hopefully they come off easily.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace piston/fluid seals

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Given the work you have done already your in a good place, at your mileage if it were me i would not plan to replace the pistons, you can inspect them when you remove to replace the piston/fluid seals.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace pistons, think i still should

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I was not planning on replacing the pistons, think I still should replace them anyway?

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace pistons, you can

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Given the work you have done already your in a good place, at your mileage if it were me i would not plan to replace the pistons, you can inspect them when you remove to replace the piston/fluid seals.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Replace short hard lines last year

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I replaced the short hard lines last year when I replaced the flex lines so hopefully they come off easily.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Set but i am going

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

Thanks for offering on the rear set but I am going to just source everything from Racing Brake as I can get the stainless pistons as well as the high temp silicone boots which makes sense for me doing mostly track use.

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help

Use piston sizes of

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

You are correct the C2 996 Brembo stock brakes use piston sizes of:

Brake Caliper Rebuild Kit for 2003 996 C2 - Source and part number help
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T130754Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

This winter I'd like to rebuild my brake calipers on my 2003 996 C2. Stock Porsche calipers. Can anyone tell me where I can get a rebuild kit and/or what the Porsche part number(s) are for the kit(s)? I have tried searching but only come up with turbo and C4S brake kits. I have not seen any complete kits for the stock C2 brakes, only dust boots but no seals. Thanks in advance for the help.

POST 2Original post

All of the parts are Brembo, you would need potentially pistons, piston seals and dust seals, sizes are dictated by the piston size. A UK link his store has the kits you need but you should be able to source locally. http://pro-calipers.co.uk/ I would advise on stainless steel bleed nipples and If your tracking the car do not bother with the anti-vibration shims/dampers or pad wear warning sensors when you rebuild. If this is the first time the calipers have been off the car you will more than likely require new caliper hard lines which inevitability twist and bend when your trying to undo them.

POST 3 / ORIGINAL POSTEROriginal post

Quotes source post: 14545991

Cool thanks for the link. I do track the car and have had the calipers off before but have not rebuilt them yet. Ditched the vibration shims already. I replaced the short hard lines last year when I replaced the flex lines so hopefully they come off easily. The car only has 23K miles on it so I am rebuilding the calipers more for piece of mind and age than wear and tear. I was not planning on replacing the pistons, think I still should replace them anyway? Last year I replaced all the bleeders w/ OEM bleeders. What's the advantage to the stainless bleeders aside from corrosion resistance?

POST 4Original post

Given the work you have done already your in a good place, at your mileage if it were me i would not plan to replace the pistons, you can inspect them when you remove to replace the piston/fluid seals. Your spot on with the bleed nipples, corrosion resistance only, so may not be required.

POST 5 / ORIGINAL POSTEROriginal post

These guys seem to have the rebuild parts, but they appear to be aftermarket StopTech seals. https://www.zeckhausen.com/catalog/i...jjhm9vnciceh24

POST 6Original post

Quotes source post: 14544617

OEM Porsche parts are now hard to find. Consider racing brake. I rebuilt my GT3 calipers with their parts and it was perfect. Also, something to keep in mind, when I rebuilt mine, everything was still in top order except the external dust shields and a couple pucks. They didn’t need a full rebuild. Just a little cleaning and some dust boos. There are a few good write ups, which I supplemented with my experience . Overall, not a hard project. -td

POST 7Original post

Recently I ordered two full caliper rebuild kits from Viva Performance for the Volvo"R". Both Porsche and the "R" share Brembo brakes and rebuild kits are rather hard to come by. Viva doesn't sell P parts but from what little I know 03 C2 996 front caliper piston sizes are 36 and 40mm with the rears 28 and 30mm. The R shares the same rears but has 42 and 38mm fronts for it's 4200lb bulk. Only the fronts needed to be rebuilt so I have the full kit here for the rears which I would happily part with. If interested PM me otherwise check out Viva and you can get all or individual pieces for the rear setup. Can't help with any P numbers but gratuitous car pics below.

POST 8 / ORIGINAL POSTEROriginal post

Quotes source post: 14551515

Very cool. My wife's daily is a 2015 S60 Polestar and my daily is about to be a 2018 XC90 T8 R-design (special ordered back in August, should be here early Nov). We have owned several Volvo's and they have been excellent cars. My wife's Polestar is insanely fast by any standard. Makes the 996 look like a snail, until the first turn at least. I always lusted after an original S60R like you have pictured above. You are correct the C2 996 Brembo stock brakes use piston sizes of: Front - 40mm/36mm Rears - 30mm/28mm. Thanks for offering on the rear set but I am going to just source everything from Racing Brake as I can get the stainless pistons as well as the high temp silicone boots which makes sense for me doing mostly track use. As long as I am going to the trouble of rebuilding I may as well do all that.

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