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911uk

Disaster,coolant leak

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Original source
10 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHDisaster,coolant leak

Leading reported evidence

Check expansion tank topped it up

Suggestion or failed attempt

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 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 · Original poster

Checked the expansion tank topped it up and then took off the oil filler ,white gunge ,i will clear it tomorrow and then get it up to temp and see,i will post some pics and hope for the best .

Disaster,coolant leak
Read full discussion summary

Leading evidence: 'Check expansion tank topped it up' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check expansion tank topped it 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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1 matching discussions · 10 captured posts examined · 0 partial discussions

Compare 3 other evidence results

Fill coolant system

Suggestion or failed attempt

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 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 · Original poster

Can i ask if i need a vac pump to correctly fill the coolant system ,

Disaster,coolant leak

Fill coolant up and started ,small amount of steam

Suggestion or failed attempt

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 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 · Original poster

Vents ,so turned around back home and when i have looked a small plastic tee pipe has broke ,made do and connected both pipes filled the coolant up and started ,small amount of steam but nothing major i have had to top the header up and noticed that the gauge stays just over half way but now have mayo in the oil filler neck,disaster ,so could well be head gaskets ,the gauge never got past the quarter and the steam was from the hose dumping coolant on the semi hot engine i must have done no more than a mile ,2 weeks ownership feeling a bit p***ed off ,have i really been unlucky .

Disaster,coolant leak

Replace rads or drained the system

Suggestion or failed attempt

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 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

Vac pump is only needed if you have replaced the rads or drained the system ..

Disaster,coolant leak
Frequently discussed actions (4)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Check expansion tank topped it up

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 · Original poster

Checked the expansion tank topped it up and then took off the oil filler ,white gunge ,i will clear it tomorrow and then get it up to temp and see,i will post some pics and hope for the best .

Disaster,coolant leak

Fill coolant system

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 · Original poster

Can i ask if i need a vac pump to correctly fill the coolant system ,

Disaster,coolant leak

Fill coolant up and started ,small amount of steam

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 · Original poster

Vents ,so turned around back home and when i have looked a small plastic tee pipe has broke ,made do and connected both pipes filled the coolant up and started ,small amount of steam but nothing major i have had to top the header up and noticed that the gauge stays just over half way but now have mayo in the oil filler neck,disaster ,so could well be head gaskets ,the gauge never got past the quarter and the steam was from the hose dumping coolant on the semi hot engine i must have done no more than a mile ,2 weeks ownership feeling a bit p***ed off ,have i really been unlucky .

Disaster,coolant leak

Replace rads or drained the system

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

Vac pump is only needed if you have replaced the rads or drained the system ..

Disaster,coolant leak
Coverage and how to read this overview

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.

10 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • 911uk: 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: 20261026T105141Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

So today got about a mile from home and noticed steam out of the rear Vents ,so turned around back home and when i have looked a small plastic tee pipe has broke ,made do and connected both pipes filled the coolant up and started ,small amount of steam but nothing major i have had to top the header up and noticed that the gauge stays just over half way but now have mayo in the oil filler neck,disaster ,so could well be head gaskets ,the gauge never got past the quarter and the steam was from the hose dumping coolant on the semi hot engine i must have done no more than a mile ,2 weeks ownership feeling a bit p***ed off ,have i really been unlucky .

POST 2Original post

Calm down young man .. mayo in the oil filler neck is normal .. you worry when it's in the coolant bottle . From the sounds of things you have the small plastic pipe to the n/s/r which has broken . Head gasket failure in 996 is very rare .. i've seen less than a handful in 18 years on all models of Porsche . Pictures if possible for me to confirm but so far i don't feel you have an issue .

POST 3 / ORIGINAL POSTEROriginal post

Thanks for the reply,my concern is the fact that before this i was adding some oil and looking in the filler neck i noticed a small amount of yellow mayo but after this incident i have gone on a quick drive got back and Checked the expansion tank topped it up and then took off the oil filler ,white gunge ,i will clear it tomorrow and then get it up to temp and see,i will post some pics and hope for the best .

POST 4Original post

The oil filler neck is exposed .. it is subject to high and low temps .. water in the oil or rather condensation due to temperature extremes emulsifies and creates mayo ... this is an oil / water mix . Some cars have this and some don't depending on conditions the cars is stored and used . .. yours has just had boiling hot water on it .. i would tend to say that's a temperature extreme that would cause mayo . If you have a dipstick then pull it out .. mayo on that in the oil section and ok there is an issue . For now .. i don't feel there is a problem . I've seen one or two porsches over the years shall we say

POST 5 / ORIGINAL POSTEROriginal post

I have now realised this is the AOS coolant pipe connector ,i have noticed this part can be upgraded to a aluminium part ,will update tomorrow .

POST 6Original post

I know the part and as its old plastic it can easily break .. i've broken a few over the years just from touching them .. sigh .

POST 7 / ORIGINAL POSTEROriginal post

Can i ask if i need a vac pump to correctly fill the coolant system , I have just topped it up bit at a time as it cooled .

POST 8Original post

Vac pump is only needed if you have replaced the rads or drained the system .. you won't get an airlock from a pipe on the engine .. well .. i very much doubt you will .. airlocks are at the front and stop circulation . Basic check is always .. do you get warm air from the heater vents on hot with car running .. if yes you won't have an airlock .

POST 9 / ORIGINAL POSTEROriginal post

Hi.thanks for the reply,hot air from the vents so thats a relief ,

POST 10 / ORIGINAL POSTEROriginal post

Relief, :thumbs: many thanks for the helpful replies to my coolant situation,have now got it back up and running fine ,up to temo and thankfully no problems .

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