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Anyone use this coolant cap? - 986 Forum - The Community for Porsche Boxster & Cayman Owners

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YOUR RESEARCHAnyone use this coolant cap? - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Leading reported evidence

Test existing one

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Suggestion

I replace mine every year as part of preventative maintenance; I don't even test the existing one.

Anyone use this coolant cap? - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Leading evidence: 'Test existing one' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Test existing one' (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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1 matching discussions · 7 captured posts examined · 0 partial discussions

Frequently discussed actions (1)

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Test existing one

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

I replace mine every year as part of preventative maintenance; I don't even test the existing one.

Anyone use this coolant cap? - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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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.

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

  • 986Forum: 1 discussions

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Generation: 20261026T052503Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Murray Temperature Control 7034 - Radiator Cap | O'Reilly Auto Parts

POST 2Original post

I'd bet that for less than 10 bucks more, you can buy the real deal .04 cap at a dealership or indie... And where does that little spigot attach to, anyway? No OEM cap has that. Just curious if you know. I bought a gennie at my indie for $23, which at the current exchange rate is about USD $2.95.

POST 3Original post

Sunset 996-106-447-04 Reservoir Cap $21.80 996-106-347-02 Vent Valve $68.50 999-707-370-40 Vent Valve outer O-Ring $1.54 999-707-371-40 Vent Valve O-Ring INNER $0.62

POST 4 / ORIGINAL POSTEROriginal post

Quotes source post: 542344

I just found it and thought it looked weird. I got a replacement that looks like the original. Im confused about the spigot too. Joe

POST 5Original post

You can purchase a genuine "04" for under $15.00, no tax, free shipping from here: Porsche 911 Boxster Cayman Expansion Tank Cap FEBI BILSTEIN New 99610644704 | eBay I replace mine every year as part of preventative maintenance; I don't even test the existing one. I've heard of water pump failures because of old, faulty caps, so I don't even mess with them. It may be an old wives tale, but then again, I haven't replaced a water pump yet. Just sayin'............... TO

POST 6 / ORIGINAL POSTEROriginal post

Quotes source post: 542386

Im going to follow your lead and replace mine every year too. The one i bought was $8 from Oreillys and seems to have fixed my overheating issue. Even if it was $50, id replace it every year so i wont have to deal with any overheating. Joe

POST 7Original post

I haven't had a pump fail, but my cap was loose, and it dumped two gallons of coolant. Which would have been OK, but we were on private property and had just signed an agreement with the property owner to not put ANYTHING down the sewers. I see Pelican Parts has two caps, a .04-MB and a .04-IND. Both black, both will fit my car, one $15, one $22. Other than $7, what is the difference?

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