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Thread: MK3 2012 Focus - Oil Change 101 Reply to Thread
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Topic Review (Newest First)
04-18-2015 02:08 PM
or10r Did my first change today at 1000 miles. Special thanks to the op for posting. Didnt need to figure out what tools to use or what to expect. It was all in the thread and the pics. Much appreciated.
04-17-2015 06:16 PM
Arco-Zakus
Quote:
Originally Posted by rczrider View Post
The exploding bit was meant to be a joke. ...
So was my "Gasp!"


Quote:
Originally Posted by rczrider View Post
... All that said, is there any good reason not to do it? No. ...
I found one -- it is very easy to overfill it, which makes a real mess. Ooops. It also saves a minute or two to just put it on empty and fill it by cranking the engine without starting it to fill the filter. For all the reasons you explained, that should not cause any harm.

Quote:
Originally Posted by rczrider View Post
... I'll try to remember to do it next time, but likely won't because I'm forgetful like that.
I mostly did it out of curiosity this time after reading all the discussion about it in this thread, but will probably use dan50's method next time:

Quote:
Originally Posted by dan50 View Post
An alternative is to crank the engine with the accelerator floored after an oil change. The floored accelerator shuts off fuel flow so the engine won't fire, but the oil pump will begin to prime the filter. ...
04-16-2015 05:40 PM
felixthecat Next oc, I'm going w/ RP hps.
04-16-2015 08:43 AM
dan50
Quote:
Originally Posted by rczrider View Post
The exploding bit was meant to be a joke. Oil is one of those things that I've always felt there were many "right" ways to do it, but only a couple of truly "wrong" ones.

I didn't pre-load (pre-fill/pre-charge/pre-soak/prime) because it never occurred to me to do it. My Mazda3 is nearly identical (vertical, uses the same filter and oil I put in the Focus) and I haven't had trouble in my ~80k miles...yet

Especially with full synthetic (but even with dino), the additives should ensure plenty of boundary lubrication. Any noise from a "dry" start (which it isn't, really) is likely to be a clatter coming from the top end since there should be plenty of residual lubrication around the crank. But I haven't experienced any noise from my Mazda, and didn't in the Focus, either.

All that said, is there any good reason not to do it? No. Do I think it makes any significant difference whether you do or don't? No. I'll try to remember to do it next time, but likely won't because I'm forgetful like that.
An alternative is to crank the engine with the accelerator floored after an oil change. The floored accelerator shuts off fuel flow so the engine won't fire, but the oil pump will begin to prime the filter.

At the end of the day, probably 99% of all oil changes are followed by a start with a completely empty oil filter. Doesn't seem to make much of a difference in engine longevity.
04-16-2015 07:51 AM
rczrider
Quote:
Originally Posted by Arco-Zakus View Post
Were you expecting it to?

Gasp! You're not saying that you did not pre-load your filter, are you? ;)

I have to admit to being scared into doing that on mine from reading this thread.
The exploding bit was meant to be a joke. Oil is one of those things that I've always felt there were many "right" ways to do it, but only a couple of truly "wrong" ones.

I didn't pre-load (pre-fill/pre-charge/pre-soak/prime) because it never occurred to me to do it. My Mazda3 is nearly identical (vertical, uses the same filter and oil I put in the Focus) and I haven't had trouble in my ~80k miles...yet

Especially with full synthetic (but even with dino), the additives should ensure plenty of boundary lubrication. Any noise from a "dry" start (which it isn't, really) is likely to be a clatter coming from the top end since there should be plenty of residual lubrication around the crank. But I haven't experienced any noise from my Mazda, and didn't in the Focus, either.

All that said, is there any good reason not to do it? No. Do I think it makes any significant difference whether you do or don't? No. I'll try to remember to do it next time, but likely won't because I'm forgetful like that.
04-15-2015 07:59 PM
JFocus12 Thanks for sharing!
04-15-2015 03:43 PM
Arco-Zakus
Quote:
Originally Posted by rczrider View Post
... It has been 50 miles and the car has not exploded. Yet.
Were you expecting it to?

Gasp! You're not saying that you did not pre-load your filter, are you? ;)

I have to admit to being scared into doing that on mine from reading this thread.

My other car has lasted 72,000 miles* without that precaution because its filter is mounted sideways. Any oil poured in comes right back out when screwing it on, between the back of the block and the firewall. Arghhh. (I did at least crank it a few revolutions by hand to get some new oil into the filter before starting it.) The Focus is so nice, with the filter being upright and easily reached in the front of the block. I love it.

EDIT: * ... and is still running strong ...
04-15-2015 12:11 PM
rczrider I didn't read this whole thread. Just came in to post that I had the first oil change done on our 2014 - now at 10k miles - with Purolator PureONE PL10241 filter and 4.5 quarts of Mobil 1 5W-20 full synthetic oil.

It has been 50 miles and the car has not exploded. Yet.
04-11-2015 06:26 PM
dyn085
Quote:
Originally Posted by Arco-Zakus View Post
Sometimes smileys help.
04-11-2015 06:00 PM
Arco-Zakus Sometimes smileys help.
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