7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHsoft brakes
Leading reported evidence
Check with richard i am sure
Suggestion or failed attempt
No successful repair reported for this finding.
0
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1
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Read evidence and context
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Discussions that contain suggestions
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Suggestion
Once done refit wheel torque bolts to 120nm (check with Richard I am sure that's right setting) then move to next wheel.
Leading evidence: 'Check with richard i am sure' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check with richard i am sure' (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.
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Suggestion
I suggest the first thing to do would be to change the brake fluid and bleed the brakes.
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
Flat out in the office at mo so will have to do fluid change instructions later
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
Once done refit wheel torque bolts to 120nm (check with Richard I am sure that's right setting) then move to next wheel.
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
Suggest you test drive another 911 to compare with yours.
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Suggestion
Pick a wheel and remove it, you will see the bleed screws at the top of the caliper, pop off the rubber caps and affix the tubing to the rear bleed screw, put the other end of the tubing into the clear bottle, simply undo the bleed screw using the 10mm spanner (usually just half a turn will suffice) then you will either see bubbles go down the line or pure fluid, if bubbles await until you get a stream of fluid with no bubbles, if no bubbles of air tighten bleed screw and put the cap back on then do same on front, most outer bleed screw.
Use 10mm spanner (usually just half a turn will suffice)
No successful repair reported for this finding.
0
Reported fixes
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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
Pick a wheel and remove it, you will see the bleed screws at the top of the caliper, pop off the rubber caps and affix the tubing to the rear bleed screw, put the other end of the tubing into the clear bottle, simply undo the bleed screw using the 10mm spanner (usually just half a turn will suffice) then you will either see bubbles go down the line or pure fluid, if bubbles await until you get a stream of fluid with no bubbles, if no bubbles of air tighten bleed screw and put the cap back on then do same on front, most outer bleed screw.
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.
911uk: 1 discussions
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Generation: 20261026T220748Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Have only had my 996 C4S a few weeks, but I think the brakes are soft. If I pump them they still feel quite soft.
Am able to stop OK, but I must say they are a bit disappointing considering the size of those calipers.
Is this normal?
Jeremy
No, it isn't normal, and most people note how firm the pedal is - not how soft.
I suggest the first thing to do would be to change the brake fluid and bleed the brakes.
Agree, they should not feel soft but you do have to push the pedal harder than most other cars as the Porsche is not so "over-servo'd"
Suggest you test drive another 911 to compare with yours.
David
Bleeding brakes:
You just need a small amount of Dot 4 or 5.1 to top up if necessary, 2 ft of 3 or 4mm bore clear windscreen washer tubing, a clear plastic bottle (pref. 1 ltr size) and a 10mm ring spanner.
WARNING - Never pump brakes when a bleed screw is un-done, this method can only be done on a non-ABS car, if you use
the pedal-pumping technique on a car with ABS you can damage the system.
The 911 can be done simply by gravity. Pick a wheel and remove it, you will see the bleed screws at the top of the caliper, pop off the rubber caps and affix the tubing to the rear bleed screw, put the other end of the tubing into the clear bottle, simply undo the bleed screw using the 10mm spanner (usually just half a turn will suffice) then you will either see bubbles go down the line or pure fluid, if bubbles await until you get a stream of fluid with no bubbles, if no bubbles of air tighten bleed screw and put the cap back on then do same on front, most outer bleed screw. Once done refit wheel torque bolts to 120nm (check with Richard I am sure that's right setting) then move to next wheel.
Note - Keep the fluid above minimum throughout the process.
Flat out in the office at mo so will have to do fluid change instructions later
