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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHDo you inspect your oil filter?
Leading reported evidence
Check filter
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
Yes, I've had my 4S for less than 2 months and am still in ultra-conservative/paranoid mode so I did an early oil change and checked the filter.
Leading evidence: 'Check filter' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check filter' (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.
Check oil filter and had an oil analysis performed
Performed · outcome unconfirmed
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 performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
For the last 5-6 oil changes I have religiously checked the oil filter and had an oil analysis performed but in the last six months I replaced the bearing (it was perfect!) while doing a clutch job so I'll probably not do either going forward.
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
1
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Performed · outcome unconfirmed
I decided to replace the filter housing and installed a magnetic drain plug for good measure.
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
1
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Performed · outcome unconfirmed
Also installed a magnetic drain plug at the last change.
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
1
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed
I also replaced IMS after RMS leak - old one came out at 63K perfect .
Check oil filter and had an oil analysis performed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.
Performed · outcome unconfirmed
For the last 5-6 oil changes I have religiously checked the oil filter and had an oil analysis performed but in the last six months I replaced the bearing (it was perfect!) while doing a clutch job so I'll probably not do either going forward.
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
For the last 5-6 oil changes I have religiously checked the oil filter and had an oil analysis performed but in the last six months I replaced the bearing (it was perfect!) while doing a clutch job so I'll probably not do either going forward.
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.
20 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 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: 20261026T213932Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I'd like to think I'm above the paranoia the envelops much of the 996 community but seeing how I'm also on my original IMSB I must plead guilty. Just did an oil and filter change on my 2002 Targa after a short 3,400 miles but a fairly longish 8 months. I'm pleased to report after unraveling my oil filter outside in the bright sunlight where any traces of metal would shine brightly, nothing, nada not a trace.
I do religiously inspect my filter, after track days I find 5 or 6 microscopic 2mm long less than hair thick aluminum shaving but that's about it. I would say that I would not even have seen them if the paranoia on the forum was not so strong.
Yes, I've had my 4S for less than 2 months and am still in ultra-conservative/paranoid mode so I did an early oil change and checked the filter. At 87k it still has the original IMSB. I decided to replace the filter housing and installed a magnetic drain plug for good measure.
I just opened up a napa Wix filter for the first time since going with the LN adapter. Had a filter mag on it as well. Absolutely nothing there plus only used a third liter of oil in 2300 miles which included 3 track days.
Waiting for the OA now, hope the warm/fuzzy feeling continues (you gotta love changing the filter too, it's just so much easier)
For the last 5-6 oil changes I have religiously checked the oil filter and had an oil analysis performed but in the last six months I replaced the bearing (it was perfect!) while doing a clutch job so I'll probably not do either going forward.
I cut the filter open and inspect at each oil change and have found no specs of plastic or metal and at 67k miles, still with original IMSB. I'm due to do an oil and filter change this month so I'll share my results.
I cut open my filter and inspect for anything. Every 5000 miles since 45000 when I got the car 3 years ago. It has 69000 miles on it now on the original IMSB. Mines a 99 job with double race bearing.
I'm cutting open the WIX filters too.
Clean as a whistle so far...as is the mag drain plug.
New double-row LN bearing put in 2 months ago...old one was A-OK at 78K
( 5000 mile changes with MOTUL)
Look at my Hengst filter on every annual change - clean. Put in LN mag plug - a little dirt but nothing bad. UOAs look fine. I also replaced IMS after RMS leak - old one came out at 63K perfect . ~5K changes on Mobil 1.
Yup, everytime. Once when I first purchased the car with 50,000kms on it, then again with 55,000kms on the car, then at 59,000 right before a 1000km trip across Japan. Must be getting close for another. Each time not anything I can see with the eye. I have a 2003 so I guess single race and presume original.
Also installed a magnetic drain plug at the last change.
Did my first change at 68.5k. Nothing in the filter. Going to add a magnetic plug. Doing changes at 5k. I have the LN adapter but not using it. I'll stick with OEM for now.
Original IMSB. The RMS was apparently changed twice in the first few miles by Park Place. I need to mosey over there next time I'm in DFW (half my life...
).
Cheap insurance.
TC
I just got my OA back from Blackstone after 3 track days/2300 miles on JG DT40:
"You ran this oil a lot longer than the last, but your Porsche hardly noticed. Wear only changed
by a few ppm in this sample, and we think you could easily use 2,000-2,500 miles as your standard oil
change interval -- maybe longer, if you're so inclined. The engine is handling the track time well. The oil
itself was in good shape physically and contained no harmful contaminants. Both silicon and insolubles (oil oxidation due to heat, use, and blow-by) were low, which shows good air and oil filtration. At 90,300 miles, the 3.4L that powers your 996 is wearing nicely."
One other item I noticed was the higher Zinc levels afforded by the DT40: 1198 after 2300 miles versus
1009 for Castrol 10-60 and 1062 for M1 15-50 (both of those with only a thousand miles/1 track day on the oil)
So that report, coupled with a clean filter is making me feel pretty good about my motor and using DT40 even with all the track days. I'll probably go 4 track days or 3K miles before my next change.
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