13 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHBrake problem
Reported or suspected cause
master cylinder
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
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 report identifying a cause
1
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Reported cause · Original poster
As a recent owner of a 1999 996 cabrio, I have a problem: since I bought the car one month ago it seemed to me that the range of the brake pedal was too long...and it increased more and more so that I drove the car to the assistance, where they told me that there was no air along the brake line, so they stated problem was the master cylinder.
Leading evidence: 'master cylinder' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'master cylinder' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Check bleeding procedure yet' (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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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
1
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Performed · outcome unconfirmed · Original poster
) was ordered and installed but, despite of that, after few kilometers again happened the brake pedal increased his range so that now to stop the car (even going slowly), I have to push the pedal completely to the bottom :-(.
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
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Suggestion
If this was happening to mine I would check the bleeding procedure yet again.
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.
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Suggestion · Original poster
I agree to repeat the bleeding procedure checking all lines and connection.
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
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Suggestion
While I was in there I would be checking rotors and pads and calipers for any fluid seepage.
Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed · Original poster
) was ordered and installed but, despite of that, after few kilometers again happened the brake pedal increased his range so that now to stop the car (even going slowly), I have to push the pedal completely to the bottom :-(.
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
ssssoooo this tells me IF you have no air after bleeding again and IF all your pads are wearing evenly and IF you are not losing fluid and IF a brake line isnt expanding like a balloon the rebuild did not take [imho] .now you could go back to the shop [they charged you] and tell them its not right and have them warranty the repair but IF they [the shop recommended rebuilding a brake part that is 15 years old] i would seek another repair shop
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
ssssoooo this tells me IF you have no air after bleeding again and IF all your pads are wearing evenly and IF you are not losing fluid and IF a brake line isnt expanding like a balloon the rebuild did not take [imho] .now you could go back to the shop [they charged you] and tell them its not right and have them warranty the repair but IF they [the shop recommended rebuilding a brake part that is 15 years old] i would seek another repair shop
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
ssssoooo this tells me IF you have no air after bleeding again and IF all your pads are wearing evenly and IF you are not losing fluid and IF a brake line isnt expanding like a balloon the rebuild did not take [imho] .now you could go back to the shop [they charged you] and tell them its not right and have them warranty the repair but IF they [the shop recommended rebuilding a brake part that is 15 years old] i would seek another repair shop
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
master cylinder
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that report identifying a cause
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.
Reported cause · Original poster
As a recent owner of a 1999 996 cabrio, I have a problem: since I bought the car one month ago it seemed to me that the range of the brake pedal was too long...and it increased more and more so that I drove the car to the assistance, where they told me that there was no air along the brake line, so they stated problem was the master cylinder.
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.
13 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: 20261026T165820Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hello to all of you from a new member and glad to be part of this community! As a recent owner of a 1999 996 cabrio, I have a problem: since I bought the car one month ago it seemed to me that the range of the brake pedal was too long...and it increased more and more so that I drove the car to the assistance, where they told me that there was no air along the brake line, so they stated problem was the master cylinder. A complete repair kit (
http://pages.ebay.com/link/?nav=item...obalID=EBAY-IT
) was ordered and installed but, despite of that, after few kilometers again happened the brake pedal increased his range so that now to stop the car (even going slowly), I have to push the pedal completely to the bottom :-(. Pumping the pedal doesnt work that much: always the pedal goes down! Any ideas about the origin of the problem? Maybe the brake lines? Or what else?
Nice question. I don' think so. But I thought that a failure in brake booster action should result in a "harder" pedal, not in a "smoother" one. Or not?
I have the 99 cab. If this was happening to mine I would check the bleeding procedure yet again. Brake fluid is cheap enough. Keep an eye on the brake reservoir where you keep topping up the system when bleeding. Rear right then left, front right then left. Inspect all brake lines for damage and/or brake fluid leak. While I was in there I would be checking rotors and pads and calipers for any fluid seepage. Also around each nipple and master cylinder. Apart from that I wouldn't know what to suggest. Good luck.
What level is the fluid in the reservoir when this happens? Does it need to have fluid added?
You might be pulling it back to the engine through a bad booster.
you say that for a few miles it was okay after the master cylinder rebuild. ssssoooo this tells me IF you have no air after bleeding again and IF all your pads are wearing evenly and IF you are not losing fluid and IF a brake line isnt expanding like a balloon the rebuild did not take [imho] .now you could go back to the shop [they charged you] and tell them its not right and have them warranty the repair but IF they [the shop recommended rebuilding a brake part that is 15 years old] i would seek another repair shop
Level in the reservoir is Max! I agree to repeat the bleeding procedure checking all lines and connection. If I would see nothing strange and this shouldn't work, I think only chance could be a bad brake booster! Or an uncorrect master cylinder repair.
I seem to remember reading someplace that the secondary (ABS) circuit needs to be bled in the event that large amounts of air are introduced into the system, as in the event of a master cylinder replacement. Something about soft pedal or excessive pedal travel even after bleeding the brakes using the normal method.
I may have seen this in one of the threads related to brake bleeding with a Durametric. You might want to do some Google searches on ABS bleeding or bleeding with a Durametric.
Thank you KoB, at last the cause was identified just in the ABS unit: there was a oil leakage. Do you think bleeding with Durametric has to be performed immediately after the regular one or also after few days (I have to wait the reopening of a store repair in Milan....actually in vacation
)?
