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Oil level was showing low on the electronic indicator, so I checked the dipstick and it was in fact low. Added about a quarter of a Quart and noticed a small leak dripping from this area. Was able to snap a few photos in mid-drip (the photo makes it look like the oil is gushing - its not). Any thoughts on what might be the cause?
If that puddle of oil on the floor is clean, like it just came out of the bottle, that pretty much will confirm the filler tube is cracked. Which is a very common 996 problem area.
If that puddle of oil on the floor is clean, like it just came out of the bottle, that pretty much will confirm the filler tube is cracked. Which is a very common 996 problem area.
jmo
+1. And if it is cracked, you might have a slight vacuum leak now because of it.
That tube is made of the same material that Austin Power’s mirror is made out of. You just look at it wrong, and it cracks.
Last edited by Mike Murphy; 06-10-2024 at 06:57 PM.
Thanks guys. It is clean oil. Can’t believe I didn’t think of that. Any way to do a temporary fix while filling it? Really don’t want to have to remove the manifold and alternator to replace it.
It will cause a lose of vacuum on the crankcase ventilation system..( AkA AOS System) and the result will be lean/rough running at idle, and fuel trim/AFR imbalance and will probably lead to a CEL and codes.
The oil fill tube probably cracked when you lifted it to add oil ?
The vacuum in the crankcase ventilation system ( AKA AOS System ) is very very light , but is Sooooo important due to the Integrated Dry Sump system/flat six design..
For reference the specs is 4-6 inH20 ( inches of water ) ...in a perfect vacuum ( full vacuum ) there are over 400 inches of water , and the 4-6 inh20 is equal to less than 3/10ths of a PSI....
So no way to "feel" this , you have to use a very sensitive instrument or a "water tube" ( Old school scientific tool )
It will cause a lose of vacuum on the crankcase ventilation system..( AkA AOS System) and the result will be lean/rough running at idle, and fuel trim/AFR imbalance and will probably lead to a CEL and codes.
The oil fill tube probably cracked when you lifted it to add oil ?
Thanks PorscheTech. It didn't crack when I lifted it, but rather I looked underneath the tube today and noticed that there is a small hole right where the accordion piece starts. Almost as if its been melted a tad.
I guess the question is, how serious is this issue to get fixed immediately, versus continuing to run the engine as is. I've not had any idling issues or codes thus far. Thanks!
That location is about where they always crack. I would say tape it up and get it repaired ASAP. There is a better solution to the stock oil filler pipe. Check it out here: https://rennlist.com/forums/996-foru...t-members.html
For those that have done it themselves, whats the difficulty level? I've seen some of the videos, seems like theres a few opportunities to royally screw things up.
06-10-2024, 04:58 PM
Oil leak after adding oil
