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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHBrake Pipes - copper alloy or steel? - & Brake Fluid
Leading reported evidence
Use copper brake pipes
Performed · outcome unconfirmed
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 performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
I have used copper brake pipes on my older car installing them some 15 years ago from Automec Buckingham and have had no problems at all with them.
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
Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve.
Leading evidence: 'Use copper brake pipes' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Fill bleeder bottle' (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.
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
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
Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve.
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
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.
Use gunsons pressure brake bleeder (from halfords) all you have
Performed · outcome unconfirmed
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 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
Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve.
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
Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Fill bleeder bottle
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
Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve.
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 have been mulling over the options for replacing my brake pipes which are starting to show signs of corrosion - not serious but but will need doing in due course.
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
as for brake fluid ATE super blue racing which is dot 4 the castrol srf every one goes on about is very hygroscopic and will need replacing frequently at £40 a bottle that is £80 a time really only for racing cars not daily drivers the ate stuff is rated for 3 years some other people like castrol response super
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
Also Brake fluid - clearly DOT 4 (any specific DOT 4?) should be used but again it appears from google search that DOT 5 synthetic is perfectly OK but difficult to get out all the air when bleeding = spongy pedal.
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
some people use copper for me corrosion resistance is most important Cu is more maleable Kunifer once fitted is uaully to hard to reowork and has to be replaced
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
Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve.
Use gunsons pressure brake bleeder (from halfords) all you have
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
Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve.
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.
4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Porsche Club GB: 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: 20261026T144035Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I have been mulling over the options for replacing my brake pipes which are starting to show signs of corrosion - not serious but but will need doing in due course. Having read a wealth of info via google it seems opinion is evenly spread between 'avoid copper at all costs and copper allloy is the best'. Any thoughts amongst the 996 techno wizards.
Also Brake fluid - clearly DOT 4 (any specific DOT 4?) should be used but again it appears from google search that DOT 5 synthetic is perfectly OK but difficult to get out all the air when bleeding = spongy pedal. Again any thoughts out there.
[8|]
I have used copper brake pipes on my older car installing them some 15 years ago from Automec Buckingham and have had no problems at all with them. Also I am using DOT5 silicone brake fluid which is easy to install using a Gunsons pressure brake bleeder (from Halfords) All you have to do is fill the bleeder bottle with the brake fluid, pressurise it from a tyre valve, then go round the car opening the bleed valves until the fluid comes out of that bleed valve. Simples, and you can do it all by yourself. It is easier if you can get under the car on a lift or putting it up on axle stands and take the wheels off.
I am just coming to the end of my mammoth golf mk 3 r32 build
for the brake lines I am using Kunifer(Cu+10%nickel) most modern cars are usually mild steel coated in plastic
some people use copper for me corrosion resistance is most important Cu is more maleable Kunifer once fitted is uaully to hard to reowork and has to be replaced
as for brake fluid ATE super blue racing which is dot 4 the castrol srf every one goes on about is very hygroscopic and will need replacing frequently at £40 a bottle that is £80 a time really only for racing cars not daily drivers the ate stuff is rated for 3 years some other people like castrol response super
Brake fluid - Dot 4 is fine - any good make will do. I would personally stay clear of the silicone stuff.
Hoses - have you considered teflon s/s braided hose, e.g Earles, Aeroquip or WHY?
Available from any number of UK suppliers and lengths can easily be made up yourself, using appropriate fittings and normal DIY tools.
It is not overly expensive, cannot corrode and is the best solution for brake hydraulics. It is used extensively in motorsport.
Regards,
Clive
This is a source reference. Confirm exact model applicability in the original material.
