Poll: Draining Engine Oil; Warm or Cold?

[Ry_Tower]

voted doesnt matter ^_^
i do it usually after 30 minutes (or more) naka park, mainit naman lagi so mag drain talaga ang oil.
tapos pag patak patak nalang; i jackup passenger side, then driver side. yosi break, youtube, or kain muna bago punasan bago kabit drain bolt; next naman yung oil filter hehehe

Yeah, either way 1% difference in the drained oil won't make much of a difference naman dito sa atin because medyo warm climate natin. Unlike in winter countries where it is better to warm the engine oil before draining it.

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[ninjababez]

When engine is cold, oil is thicker, thus, draining it when warm would be better as the motor oil is less viscous

Di ba mas malapot pag mainit? San napunta yung 0w30?

*jakewise, pakisagot naman si bro yapoy; curious din ako kung ano sagot dyan

[box_type]

wether it be hot or cold its the same meron at meron pa din matitira, that's what oil filters are for they fllter out the gunks and what ever "residues" remain in the oil, besides kung regular ka naman mag change oil hindi yan (residues and gunks) kakapit sa paligid ng loob ng engine, imho

[jakewise]

Di ba mas malapot pag mainit? San napunta yung 0w30?

From what I understand, viscosity decreases (thins) with increasing temperature and increases (or thickens) with decreased temperature irregardless of oil grade (0w-30). To better visualize viscosity, think of pouring pancake syrup from the bottle. At warmer temperatures, the syrup pours fast and easy, while at colder temperatures, it’s thicker and more difficult to get flowing


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[ninjababez]

From what I understand, viscosity decreases (thins) with increasing temperature and increases (or thickens) with decreased temperature.


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pero may winter rating, yun 1st number tulad ng nabanggit ni yapoy?

[sp00nman]

Mainit - malabnaw (manipis)
Malamig - malapot (makapal)

regardless of the viscosity rating

[jakewise]

pero may winter rating, yun 1st number tulad ng nabanggit ni yapoy?

Yes, Multigrade oils must fulfill two viscosity specifications, their viscosity grade consists of two numbers, e.g. 10W-40: 10W refers to the low-temperature viscosity ("Winter"), 40 refers to the high-temperature viscosity ("Summer").

[oj88]

Yes, Multigrade oils must fulfill two viscosity specifications, their viscosity grade consists of two numbers, e.g. 10W-40: 10W refers to the low-temperature viscosity ("Winter"), 40 refers to the high-temperature viscosity ("Summer").

Wrong.

"40" is the oil viscosity at engine operating temp (≈100°C)

[beepbeepph]

I think the best would be if your engine temperature is warm when draining oil. DIY oil change is not an easy task as it requires enough tools and skills. You just need to know the proper procedure to avoid any mistakes. Draining your oil also requires proper disposal to avoid the mess in your area. However, it's still best to bring your car to your trusted car shop if you're still hesitant about the process to avoid any problems that would affect other parts of your vehicle and lessen its functionality. Hope this helps!

[kisshmet]

Wrong.

"40" is the oil viscosity at engine operating temp (≈100°C)

The manual states atmospheric temperature not the engine temperature

Be careful changing oil while the engine is hot..dripping hot oil could scald you

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