Residue in Oil Filler Cap Return
#1
Rennlist Member
Thread Starter
Residue in Oil Filler Cap Return
Just removed the top hose going to the Oil Canister during a plenum removal and found a whitish goo at the return opening (pic below).
I did an oil change about a month ago and nothing seemed out of the ordinary.
My mind is going to a bad place on this (HG), but hoping someone can tell me this is normal, or at least not overly concerning, for the location.
I did an oil change about a month ago and nothing seemed out of the ordinary.
My mind is going to a bad place on this (HG), but hoping someone can tell me this is normal, or at least not overly concerning, for the location.
#4
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Thread Starter
#6
Former Vendor
Considerably more than I've ever seen....
#7
Rennlist Member
Thread Starter
If you are referring to the pic from the top of the tube - it was compressed down with my finger, which made it look like it was blocking the x-section of the tube.
If you are referring in general, I'll continue to monitor unless there's a suggestion to investigate elsewhere.
If you are referring in general, I'll continue to monitor unless there's a suggestion to investigate elsewhere.
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#8
Rennlist Member
Curious how your oil looks on the dipstick and how it looks inside your coolant reservoir. If they look good, and it was my car, I’d take it for a long drive and cook out the moisture after the topend is back together. But if your oil on the dipstick looks like chocolate milk or you see oil in the coolant reservoir, that wouldn't be good. You may see that milky stuff at the top of the dipstick (okay--that didn't come out right), and that too could be okay and just be condensation.
#9
Rennlist Member
Thread Starter
Coolant in the reservoir is totally A-OK. All clear. (just checked)
I haven't driven the car since the oil change, but the old oil coming out of the OP looked normal relative to what I would expect.
I haven't driven the car since the oil change, but the old oil coming out of the OP looked normal relative to what I would expect.
#10
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#12
Chronic Tool Dropper
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Moisture is a normal byproduct of combustion. When you take a lot of short trips the moisture condenses, mostly because the engine does not get thoroughly warmed up, and mosr specifically the oil does not get warm enough to boil off all that moisture that comes into the crankcase with everything cold. This is the primary reason that more frequent oil changes are recommended fpr folks who use the car primarily for short trips with no chance for the oil to heat up.
Recommendation: go drive the car under some load for at least half an hour of actual driving. That might take you an hour or more total, since sitting time isn't just ignored; It's subtracted from the driving time number.
For readers who store their cars in the off season, it's a good idea to go do that long drive under load to cook off the moisture in the oil. Then change the oil with fresh while he block is still warm, and don't restart it until hibernation is done and you are ready to drive it again. This boils out accumulated moisture, and gets fresh non moisture-laden oil into the crankcase for a relatively dry storage opportunity. The engine stays off during the storage period so everything inside stays relatively 'dry'. No corrsion, no acids formed with added combustion byproducts that make their way to the crankcase, etc.
Recommendation: go drive the car under some load for at least half an hour of actual driving. That might take you an hour or more total, since sitting time isn't just ignored; It's subtracted from the driving time number.
For readers who store their cars in the off season, it's a good idea to go do that long drive under load to cook off the moisture in the oil. Then change the oil with fresh while he block is still warm, and don't restart it until hibernation is done and you are ready to drive it again. This boils out accumulated moisture, and gets fresh non moisture-laden oil into the crankcase for a relatively dry storage opportunity. The engine stays off during the storage period so everything inside stays relatively 'dry'. No corrsion, no acids formed with added combustion byproducts that make their way to the crankcase, etc.