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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHEasy and cheap coolant line coupler fix.
Leading reported evidence
Use brass coupler and did the exact same thing
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
I used a brass coupler and did the exact same thing with the bracket and clamps.
Leading evidence: 'Use brass coupler and did the exact same thing' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Repair because the plastic piece broke' (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
Porsche used plastic because it's a hell of a lot cheaper than brass.
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Performed · outcome unconfirmed · Original poster
Ground down the pipes and enlarged the hole, then used the rest as a bracket.
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Suggestion
First of all, I did this same repair because the plastic piece broke.
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Discussions that contain suggestions
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Suggestion
I replace mine with water pump and thermostat change, LOL should be part of a water pump kit.
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14 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261026T165820Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
The 3/8 brass coupler is from Home Depot ($2.70). Ground down the pipes and enlarged the hole, then used the rest as a bracket. The clamps are fuel injection clamps. Should last forever.
OMG IMOOO, i did this EXACT same fix a year ago. I broke mine doing my water pump. I was to take the car on a trip the next day, off to home depo i went.....
Great idea. I did a similar fix when I changed out my water pump last year. I also changed out the tee that is also prone to failure. I hope that there are no issues with dissimilar metals, ie brass and aluminum, and the Porsche coolant.
Are you on crack?
If the coolant is not acidic, and it won't be unless it's really, really,really old, nothing will happen. Even if it id, the brass will develop a layer of corrosion and stay that way. Porsche used plastic because it's a hell of a lot cheaper than brass.
First of all, I did this same repair because the plastic piece broke. It was so brittle from age that it just crumbled in my hands. I used a brass coupler and did the exact same thing with the bracket and clamps. I will never worry about that fitting again! Now, for a bit of chemistry...galvanic corrosion occurs when dissimilar metals TOUCH each other. Unless they are in electrical contact, there can be no galvanic couple set up. The brass is electrically isolated due to the rubber hoses, so there is no need to ever worry. For those that are truly way over thinking this one...you can get a electroless nickle or stainless steel hose barb fitting. As for the rest of us, well, with 120,000 miles and 13 years on mine...I'll give you an update in another 100,000 miles/10 years and let you know how it goes.
Thanks, I just did this exact fix and filled it with coolant. So far no leaks.
I'm amazed at how easily that fitting cracked apart initially; when I tried to pull the fitting from the other hose it snapped off on that end too.
Thanks to everyone for your help and suggestions! It really helped to see pictures of the part since I had no idea how it all fit together.
Well, since we are dragging up an 8 year thread, might as well throw this in. The problem I noticed is the lower hose and upper hose are slightly different. I had that clamped off very well and still developed some leaks at the fitting. Yes, I did use a brass barbed fitting and two new hose clamps. I never really liked the overall solution, so I bought a new OE lower hose and got this. Never a single problem now and I don't have to even look at that fitting unless I want to admire this new fitting. Well worth the money.
Another happy customer of Rauch & Spiegle. It should be included as apart of water pump/t stat job if you don't already have one. I busted the original replacing the oil filler neck..while removing the alternator. So many opportunities to break this thing.
