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Discussion summary
YOUR RESEARCH996 C4s Oil Check
Leading reported evidence
Use dash tool
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Read evidence and context
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Performed · outcome unconfirmed
I use my dash tool to measure just for the heck of it but go by the dipstick.
Leading evidence: 'Use dash tool' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check dipstick and also verify' (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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Suggestion
I check the dipstick and also verify on the dash (they are usually very close).
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Suggestion
LN Engineering (you'll get to know them if you haven't come across them already) has a free tech doc download on how to check your oil depending on the dipstick (updated or not) which varied by production year.
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Suggestion
I would assume you are also checking the oil level gauge on the dash prior to starting.
Check via dipstick once engine has been driven and warm
Suggestion or failed attempt
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Read evidence and context
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Suggestion · Original poster
I have checked via dipstick once engine has been driven and warm, but oil isn't showing as it normally would on the stick.
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Suggestion
LN Engineering (you'll get to know them if you haven't come across them already) has a free tech doc download on how to check your oil depending on the dipstick (updated or not) which varied by production year.
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8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T154520Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hello All,
New to this platform and know I'm asking a dumb question, but just picked up an 04 C4s and had an oil changed. Wanting to monitor the oil as you would with any performance car.
I have checked via dipstick once engine has been driven and warm, but oil isn't showing as it normally would on the stick. I know there's an onboard computer which tells you oil levels, but there's gotta be a way to get accurate measures via the dipstick.
What am I missing? I've seen some places saying that you need engine warm but then to let it sit for a couple minutes for oil to collect etc.
Let the car sit overnight. Pull the dipstick and wipe it off. Then re-insert the dipstick and pull it again. Have a shop towel handy. Fresh synthetic oil is very difficult to read on the dipstick sometimes. Old mechanics tip - have a clean fresh shop towel on the ready, Place the end of the dipstick on the shop towel horizontally. That will give it a good read. I would assume you are also checking the oil level gauge on the dash prior to starting.
How much oil did your mechanic add? Should be on the bill. Did they change the filter?
What do you mean by "..oil isn't showing as it normally would on the stick..."?
Just my view..
The Dash indicator, is pretty much as good as the dipstick at least on my car.
Overnight cold engine, there are varying opinions, I run mine at bar #3 from the bottom those bars are about 1/4 liter each.
Never fill from a hot measurement you will overfill the engine which is far worse than being 1 quart low out of 8 on the street.
FWIW, my garage is flat and level, my driveway drops the front of the car 1" That inch will throw the reading off by about 1/2 liter.
If I pull my dipstick like at the gas station immediately when the car it at full temp, the oil is just barely if at all touching the dipstick till it sits at least 5 minutes..
Its not low.. Let it sit an hour and its up..
The engine is technically a "dry sump" The oil drains around the crank etc and down through into the actual oil sump,
There are scavenger pumps that move oil from the head to the block, and the supply pump looks a bunch like the old Air cooled dry sump pumps.
There is a ton of backstory and history on the Oiling system. Multiple revisions depending on year and minor tweaks as time went along.
Congrats on the C4S Mike! Looking forward to seeing pictures.
I think everybody said it. Test the oil using the dipstick when cold on a flat surface. I use my dash tool to measure just for the heck of it but go by the dipstick.
LN Engineering (you'll get to know them if you haven't come across them already) has a free tech doc download on how to check your oil depending on the dipstick (updated or not) which varied by production year. It is free after you register on their site; just add it to your cart and go through the purchase process (no CC required). Although free, I don't want to run afoul of them by just uploading it.
https://lnengineering.com/free-downl...n-and-911.html
Congratulations on your new ride!
