Foamy Oil??
#1
93 Touring
Thread Starter
Foamy Oil??
When changing the oil today, the tech showed me how foamy the oil was just inside the filler tube.
I've feared a coolant seal problem for a while, but is there anything else that would cause the oil & water issue?
Thanks
I've feared a coolant seal problem for a while, but is there anything else that would cause the oil & water issue?
Thanks
#7
93 Touring
Thread Starter
Car is almost always "short trips". Why would that cause the foamy problem?
Not using coolant, but then mileage is always fairly short. We do have the white smoke on cold start, but only first time in the am.
Not using coolant, but then mileage is always fairly short. We do have the white smoke on cold start, but only first time in the am.
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#8
Full Member
iTrader: (1)
Because you get condensation inside the engine. If you do not get the engine temp up high enough and long enough to boil off the water...the water will mingle with the oil vapor and turn to oleo. Kinda the same way Velvetta cheese is made. The shorter the trips, the more humid it is and the longer it sits betweenst drives the more you will see of the foamy build up. It's normal under those type conditions. You can even get it if you drive a lot in a humid environment...like Florida. I used to see this in my old 1962 VW Bug all the time since I live near the beach. No "fluid" to leak into the engine either ;-)
#9
Constant threat
I have to second the condensation deal. And if you use PENNZOIL (God forbid) it seems to be the worst about retaining moisture.
And the 'white smoke' at start up is likely just condensation too...very common and expected with ALL engines.
Short trips are the #1 killer of exhaust systems, too. Short trips just are NOT good for cars. This is why you will hear a lot of old-timers (like myself) say, "I'd rather buy a used car with 100,000 HIGHWAY miles over a car with 10,000 miles driven only to the grocery store..."
And the 'white smoke' at start up is likely just condensation too...very common and expected with ALL engines.
Short trips are the #1 killer of exhaust systems, too. Short trips just are NOT good for cars. This is why you will hear a lot of old-timers (like myself) say, "I'd rather buy a used car with 100,000 HIGHWAY miles over a car with 10,000 miles driven only to the grocery store..."
#10
93 Touring
Thread Starter
Hope the Short Trips are the real culprit.
Is a coolant pressure test the best way to know on the coolant seals? If so, is there a target reading or range that I should be looking for.
Thanks
Is a coolant pressure test the best way to know on the coolant seals? If so, is there a target reading or range that I should be looking for.
Thanks
#11
Racecar - Formula 2000
On the subject of foamy oil in the filler tube, IMO, that's totally normal, and short trips in cool/cold weather are the worst, as the previous posters have said. If the oil you drain at an oil change is milky, THEN you have a problem.
#13
Racecar - Formula 2000
....Short trips are the #1 killer of exhaust systems, too. Short trips just are NOT good for cars. This is why you will hear a lot of old-timers (like myself) say, "I'd rather buy a used car with 100,000 HIGHWAY miles over a car with 10,000 miles driven only to the grocery store..."
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