To Drain or Not to Drain - Ford Powerstroke Diesel Forum
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post #1 of 22 Old 08-23-2019, 06:16 PM Thread Starter
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To Drain or Not to Drain

Doing my first oil change and I have watched and read so many videos and post on whether to drain the hpop oil when doing an oil change. Some say it’s not necessary and some say it is. Most of my reading is from people that say it’s not because it will recirculate with new oil.

What’s your opinion and why???
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post #2 of 22 Old 08-23-2019, 08:25 PM
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No need to do it, I did it one time and it was a waste of time.
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post #3 of 22 Old 08-23-2019, 10:01 PM
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I've never changed it, but I know of one situation in which it may be beneficial.

If you're conducting Universal Oil Analysis, the remaining HPOP oil will affect the NEXT sample. I had this show up in my UOA's when I changed viscosity from 10/30 to 15/40. The 15/40 sample came back as low viscosity for a 15/40 because it was 'contaminated' by the residual 10/30. The next (third) UOA was normal.
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post #4 of 22 Old 08-23-2019, 10:22 PM
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mu opinion change it regularly use a quality 5-40 synthetic add archoil if you start to get some stiction developing and you'll be fine

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post #5 of 22 Old 08-24-2019, 03:02 AM
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You donít need to, but if you want to get every drop out you can. Itís totally up to you, it wonít really help or hurt either way


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post #6 of 22 Old 08-24-2019, 03:41 AM Thread Starter
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Thanks guys for all the replies. Keep me coming but I see a trend here.
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post #7 of 22 Old 08-24-2019, 04:19 AM
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I like to be as thorough as I can whenever possible, so I DO change mine at every interval.
It doesn't take that much time once you have it figured out.
A side benefit, it forces me to examine the engine compartment on a regular basis
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post #8 of 22 Old 08-24-2019, 11:33 AM Thread Starter
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So far sounds like the majority does not change it and it also sounds like it really adds no benefit to change it.
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post #9 of 22 Old 08-24-2019, 12:55 PM
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No need to change it, complete waste of time unless your OCD about getting as much oil out of you engine as you can.

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post #10 of 22 Old 08-24-2019, 01:24 PM
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Waste of time
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