[Shop-talk] Oil plugs, WHY?
Jimmie Mayfield
mayfield+shoptalk at sackheads.org
Mon Jan 4 08:50:21 MST 2021
FWIW, my 06 4Runner has a vertical drain plug that's recessed and
protected by a skid plate.
You might consider installing a Fumoto-style drain plug valve. I
haven't installed one yet but lots of people seem to swear by them.
They'll let you connect a hose to drain the oil directly into your drain
pan.
On 1/4/21 08:14, eric at megageek.com wrote:
> OK, this is half vent and half "can someone explain why the heck do
> they do this to us?"
>
> I notice that just about EVERY modern's car drain plug drains
> horizontally and not vertically (where the plug come straight down
> from the bottom of the oil pan.) This make's oil changes SO much
> harder and messier.
>
> Then, I've even seen (2018 Ford F150) where it has a frame rail right
> in front of the oil hole and it splashes the nearly 2 GALLONS of oil
> everywhere. Then, the oil filter has a 'slide' under it to redirect
> the oil to the front of the frame, which is nice, EXCEPT that it
> doesn't go all the way back to under the oil filter! This means that
> some oil drips under the oil filter while more drips in front of the
> frame rail about 2 feet away (meaning no single oil pan can catch
> both.) I'm seeing this in more and more cars that have stupid oil
> drains.
>
> Now I get that engines are sometime designed in a vacuum and the frame
> builders don't care what is in the way, but it just seems that for
> optimal oil changes, a plug should be at the bottom of the pan. With
> all the environmental concerns, I would also imagine that any way to
> prevent oil spills and splashes would be ideal.
>
> Can anyone explain this? Or is it just a case of designers really
> HATE mechanics?
>
>
> "Be as beneficent as the sun or the sea, but if your rights as a
> rational being are trenched on, die on the first inch of your
> territory." Ralph Waldo Emerson
> -Who is John Galt?
>
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