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Discussion summary
YOUR RESEARCHCoolant leak - help with pipe identification
Leading reported evidence
Replace some point)
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1
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Performed · outcome unconfirmed · Original poster
I don’t think it’s coming from the expansion tank (looks like it’s been replaced some point).
Leading evidence: 'Replace some point)' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace clip first' (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 · Original poster
I’ve used the Mikalor clamps on my exhaust tips so am familiar with those.
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Replace either jubilee clamps or oetiker style clamps i go
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Suggestion
When replacing either Jubilee clamps or Oetiker style clamps I go for these.
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Suggestion · Original poster
I’ll get a jubilee on there as you suggest, and then think about replacing the others!
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
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Generation: 20261026T113718Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
My 996 C2 (‘98) has decided to water the driveway with coolant (didn’t notice any issues driving it c30mins) and it looks like it’s coming from the photographed pipe/clamp? I don’t think it’s coming from the expansion tank (looks like it’s been replaced some point).
Can anyone please tell me what this pipe is, and ideally the size/part number for the clamp? I’m lost looking at the diagrams but hoping a clamp replacement and coolant top up (it’s just on the ‘min’ mark in the tank, so didn’t lose a lot) will get me back home again!
Many thanks for any assistance!
Thanks Alex - managed to top up and get back home and it is definitely coming from that joint as I could see it pouring out! I’ll get a jubilee on there as you suggest, and then think about replacing the others!
Try replacing the clip first. You may find it falls apart when you take it off as they do rust. If you replace with jubilee style clip rather than a new spring clip, you may find you will need two fixed in opposite orientation to each other as they don't have equal clamping force all the way round and it will still leak.
noted, thank you! Hoping I can get under the car at the weekend to measure the pipe(s) properly so will make sure I order a couple/several stainless clips.
Might treat myself to a pair of the clamp pliers as I'm sure they'll be useful again in the future (assuming I dont break them!).
When replacing either Jubilee clamps or Oetiker style clamps I go for these.
https://www.westfieldfasteners.co.uk/HoseClip_Mikalor_Supra-W4.html
Westfield fasteners are also a good place to go for stainless replacement bolts, self tapping screws etc.
