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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHPressurised Brake Fluid Change
Leading reported evidence
Use dewalt impact drill
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Performed · outcome unconfirmed
I used a DeWalt impact drill set to really low torque on hammer setting to remove the bleed screws on these.
Leading evidence: 'Use dewalt impact drill' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check but my car's' (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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Performed · outcome unconfirmed
I use a largeish syringe with a bit of tube on it to get the old fluid out.
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Suggestion
I'd go and check but my car's on it's winter holidays atm.
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Suggestion · Original poster
Has anyone ever done this as I understood this is the recommended Porsche route?
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Suggestion · Original poster
I am about to try using a pressurised system to change the brake fluid in my car.
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Suggestion
I think you need the Porsche software to allow you to flush the ABS system but I recall deMort saying that he never does when changing the fluid, that's good enough for me!
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Suggestion
Just a couple of tips - Loosen the bleed nipples carefully and nip back up before pressurising the system so that you know there are no seized ones, Use a hex socket with a T bar so that you are applying even force to the nipple when you do this.
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Suggestion
I've always found the most reliable bleed is to apply pressure with an eazibleed or similar (20psi or less) and then use the traditional up/down; closed/open bleed method.
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14 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261026T203514Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I am about to try using a pressurised system to change the brake fluid in my car. Has anyone ever done this as I understood this is the recommended Porsche route?
I have been warned that the brake reservoirs are susceptible to splitting, any experience of that also?
Just go with the instrutions and all will be well i.e. don't over presurize the system, you can always put a few more strokes of the pump in. as usual start from bleeding from the furthest caliper to the reservoir i.e. rear drivers side and work in (rear passenger, front drivers side to front passenger side. I take out as much old fluid from the resevoir first as there's no point in having to push this through the system. Bleed inside caliper nipple first followed by outside. That's the way I do it.
Many thanks! Did you manage to get the filter out of the reservoir filler neck? Concerned about forcing it as it appears to be attached to something at the bottom!
I can't remember taking it out... but I must have done to suck out the old fluid. I use a largeish syringe with a bit of tube on it to get the old fluid out. I'd go and check but my car's on it's winter holidays atm.
I’ve bled my brakes 3 or 4 times will a pressurised bleeder like yours, really easy. I tried to remove the filter screen but it’s damn tricky to do so gave up. Follow the technique mentioned above.
...always use this process with one caveat;if you can't remove the filter dont over pressurise the system lest brake fluid escapes! Fortunately my filter comes out easily?
I couldn't get the screen out of my reservoir (996.1), so extracted what I could and then bled carefully until it was nearly empty.
I've always found the most reliable bleed is to apply pressure with an eazibleed or similar (20psi or less) and then use the traditional up/down; closed/open bleed method. Ideally you'll perform an ABS bleed as well. Don't forget to bleed the clutch too as they share a reservoir so the systems cross contaminate if you don't.
Straightforward job as everybody says. Just a couple of tips - Loosen the bleed nipples carefully and nip back up before pressurising the system so that you know there are no seized ones, Use a hex socket with a T bar so that you are applying even force to the nipple when you do this. Also suggest you have twice as much fluid as you need, I always overdo the amount to be sure it is all clean!
I think you need the Porsche software to allow you to flush the ABS system but I recall deMort saying that he never does when changing the fluid, that's good enough for me!
I used a DeWalt impact drill set to really low torque on hammer setting to remove the bleed screws on these. This sort of 'shakes' them free with no chance of snapping them.
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