What is this pink goo?

Can anyone help diagnose what this pinkish goo is in my oil filler tube and under the cap? I have a 2009 with the V6. The truck is usually used for commuting 30k+ (19mi) at a time on the highway. The synthetic oil is changed religiously at 5000k. There is no odd shavings or emulsification in drained oil. I have no loss of power, unusual smoke or noise. I also run an Airaid cai.

Any experience with this symptom would be greatly appreciated.

 

gross. is it like this every 5K when you change the oil, or was this the first time?

 

Normal for cars that are only used for short trips. You can drive more or change oil more often.

 

send a sample in to blackstone, they may be able to diagnose

https://www.blackstone-labs.com/

thread here on the analysis reports

https://www.tacomaworld.com/threads...ts-2nd-generation-tacoma.182294/#post-3861466

 

heres mine, oil analysis shows no issues. I don't think its really a big deal

 

Looks like condensation moisture in the oil. Take it out of the highway for 50+ miles sometimes to get everything really warmed up and remove the moisture from the block.

 

It's a byproduct of moisture.

Short drives, engine not at operating temp long enough between drives (or at all) = foam in filler neck/under cap.

Longer drive time at operating temp or more frequent oil changes is how to prevent it, but it isn't a problem.

 

And cold climate. Make sure the PCV system is working as it should--with that much gunk in the filler tube it could be clogged...

 

@CanisLupus

would a catch can help?

 

Its normal. Toyota chose to put those long necks on the oil fill. The tube never warms up as much as the rest of the engine. Law of nature. Water condenses on colder surfaces. Water is a byproduct of combustion.

You would have to do constant, long distance driving to make that moisture dissapate.

 

The above is the answer you seek. Normal and koditten has explained why above.

It is because the same reason that it rains.

 

Excellent! Thank you to all the wise members that have replied. It puts my mind at ease a bit more. I do live in the harsh Canadian climate that is not good to vehicles. I will stop worrying and start driving more! (And JimboAnz, as I reflect, this condition occurs more frequently during the colder months and less in the summer). Thanks again!

 

Most of my drives are only a few minutes - so I get this 'pudding' all the time.

Just check the oil on your dipstick to make sure it isn't being caused by anything more serious.