7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHBrake caliper, stuck brake line nut
Leading reported evidence
Disconnect from the brake lines (see photos below)
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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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
Two of the calipers had some issue being disconnected from the brake lines (see photos below).
Leading evidence: 'Disconnect from the brake lines (see photos below)' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean fitting up' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
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Performed · outcome unconfirmed · Original poster
Recently bought some used 996 Carrera brake calipers.
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Suggestion
Well, if it were me,,, I'd clean the fitting up with some brake clean and compressed air, then hit it with wd allowing the penetrant to fully flow in.
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Suggestion
Amazing what the tighten/loosen technique will do though.
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Suggestion
As counter intuitive as it sounds, try tightening it a bit, then loosen, then tighten, repeat.
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.
7 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: 20261026T203514Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hello all,
Recently bought some used 996 Carrera brake calipers. Intended on rebuilding a set and then putting them onto my 996TT this summer.
Two of the calipers had some issue being disconnected from the brake lines (see photos below). The other two seem fine. One of the nuts looks to be ground a fair bit down already. Any recommendations on how to get these nuts loose? I have already hit it with PB blaster for 24 hours several times. Nuts don't seem to budge with my flared wrenches. Heat?
Any suggestions appreciated. Thanks.
Well, if it were me,,, I'd clean the fitting up with some brake clean and compressed air, then hit it with wd allowing the penetrant to fully flow in.
Couple ways to do this. First mount the caliper carefully snug in soft jaw vise, then if the brake line is rounded out enough where the flare nut wrench slips, its then time for a nice new large vise grips clamped down hard... Heat would be my last resort unless prior tech foolishly used sealant on the fitting.
As said above, easy out should work, if needed...
jmo
Vice grips on the nut since there is nothing left and heat. Get a small butane kitchen torch. The flame is much more controlable then a larger map torch. It will take longer for the heat to get into the fitting but the paint on the caliper will survive better.
As counter intuitive as it sounds, try tightening it a bit, then loosen, then tighten, repeat. TINY steps. Be patient and keep putting penetrating oil to it. Heat is good too. Amazing what the tighten/loosen technique will do though.
I hope you can get it out using all the above mentioned methods and not have to go through the PITA process I did. I had something similar happen last year when working on a friends car. Despite doing all of the above the I was able to get the nut to budge but it just ate the threads. They were badly corroded. I was able to repair it by cutting the line and essentially drilling it out. I ended up installing a helicoil to get new threads in there and the car has been fine ever since. It's super crucial to be very careful when drilling it out, if you get to that point. You do not want to go to deep with the drill bit as you will compromise the mating surface to which the flared line attaches once tightened again. Good luck!
I would go with an external nut extractor of the correct size. That fitting is shot regardless - you�ll need a new one - don�t worry about tearing it up�
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