8 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCH996 water coolant leaks
Leading reported evidence
Install 2 new manifolds in stainless
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
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Performed · outcome unconfirmed · Original poster
Now fitted 2 new manifolds in stainless with 3 hose clips , problem will never happen again,
Leading evidence: 'Install 2 new manifolds in stainless' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Install 2 new manifolds in stainless' (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
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Performed · outcome unconfirmed
I had all my three front radiators changed and burst pipes...
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8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Porsche Club GB: 1 discussions
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Generation: 20261026T112012Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Have I been unlucky or are water coolant leaks common, from this nylon manifold.
A hose has seperated from a nylon type material manifold , this manifold holds or joins 3 coolant pipes and no external fittings ie hose clips , the 3 pipe's simply push in.
would be interesting to know if this is a common problem, before I make my own stainless steel manifold with 3 hose clips.
2 of these units are fitted to the 996tt and are not very nice to get at when on a trip in Ireland , but I pushed them back in , filled up with new water and got home.
These units are adjacent to the underbody work about 6 inch away from the front diff and are a pain to reach.
any one had same problem ????
Also had all rads replaced in last few years - they collect a lot of muck and seem to corrode all too easily- well worth removing nose cone for a good clean out on a regular basis. Info re that job on this site somewhere.
Not had any hose leaks yet but my header tank had to be replaced as it developed a crack for no obvious reason. I guess this new fangled water cooled business was a problem too far for Porsche when they introduced it for the 996.
I've had both radiators replaced on my C4S too.
Small pools of coolant found just in front of each front wheel...new radiators required! Great.
Not very good really...especially when my 13 year of Golf remains fluid-tight despite assorted forms of detritis sitting behind the bumper skin on that over it's lifetime.
I have read with interest the issue of coolant leakage. I have a 996 turbo with a slight coolant leak on the LHS of the engine (dripping pipe). It was difficult for two garages to diagnose and required two pressure tests of the coolant system. The leak does not effect anything and is minimal but it is highly annoying. I have been advised that the only way to fix it is to remove the engine as it is very difficult to access. Has anyone got any solutions or advice as I do not really want to remove the engine to replace one pipe.
Thank you
Andrew
