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Oil Change / Vevor extractor

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RegeSullivan

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I bought the Vevor https://www.amazon.com/dp/B0CMTXHRLG?tag=atomicindus08-20 extractor for about $40 off Amazon to see if it would make oil changes easier... sure enough it does but that said it takes a good bit of pumping. I lost count but it is plenty over 100 pumps that works up a little bit of a sweat. The other possibility is going with one of the pneumatic extractors but I'm afraid my little California Air compressor (3.10 CFM at 40 PSI and 2.20 CFM at 90 PSI) would not handle the required volume/pressure and the extractor manufactures seem hide specific information on the requirements.

I am wondering two things... would a better quality extractor make for less work to keep the flow of oil going and/or would my little compressor actually operate one of the pneutic extractors?
 
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jayemm

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On the Amazon link you provided, look down about 7 or 8 reviews. A user commented about lubricating an o-ring, which I 'm guessing is the one on the end fitting of the hose which fits into the top of the unit. You could have a vacuum leak there.
 
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RegeSullivan

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jayemm said:
On the Amazon link you provided, look down about 7 or 8 reviews. A user commented about lubricating an o-ring, which I 'm guessing is the one on the end fitting of the hose which fits into the top of the unit. You could have a vacuum leak there.
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Funny enough... that is my review. On my first try I noticed it made a faint noise I assumed was a leak. A little silicone lube solved the problem and made pushing it in much easier
 
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kbeefy

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I have the mitivac version and it doesn't use much air, I believe your pancake compressor would work fine.
The mitivac is actually cheaper than the HF copy of it, but if your going to buy one I'd recommend the HF roll around one.
It's even cheaper and I prefer that version, if you have room for it.

HF extractor
 
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908Jim

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I use a Mityvac 7201 (manual pump) and It takes about a dozen pumps to pull out like 4-5qts. On my other vehicle (~6 qts) I usually give it a few pumps around the halfway mark.

I don't think you need a pneumatic extractor to solve this problem. Spend the money and get the Mityvac.
 
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908Jim

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Dan in Pasadena said:
What am I missing here, guys? Why not just crawl under and loosen the drain plug? It's easy and it's FREE!
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So is walking across town to the store but driving makes it much easier.

I have two cars with filters up top. With the extractor, I can have an oil change done in like 15-20 minutes with zero mess and I can pump the fluid right back out of the extractor for recycling. The extractor is also great for pulling out fluid from various reservoirs for partial fluid changes, doing yard equipment, and countless other things.

You can bring a whole new level of speed and convenience to your life for less than the cost of a night out and the difference between the amount of oil I pull with the extractor and what gets drained is imperceptible.
 
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GRN96WS6

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The extractors take forever from what I've seen, far longer than just pulling a car on ramps and pulling the plug, plus I don't think you get all the dirt/sludge out when vacuuming it out the fill hole or dipstick. 🤷‍♂️
 
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jayemm

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GRN96WS6 said:
The extractors take forever from what I've seen, far longer than just pulling a car on ramps and pulling the plug, plus I don't think you get all the dirt/sludge out when vacuuming it out the fill hole or dipstick. 🤷‍♂️
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In the whole time I had mine I never did one oil change. One car had a windage tray below the crankshaft that didn't allow the tube to get down into the oil. After that I said screw it for oil changes. No big deal though. It was great for pulling out a quart (or whatever desired) of transmission fluid to freshen it up periodically. Also pulling out some coolant from the radiator to drop the level enough to change a thermostat. Had a brake bleeder attachment hose with a valve in it. Made it possible to build up a whole tank of vacuum and with the valve modulate the flow when vacuum bleeding brakes. Got a plugged up sink that needs the water removed without trying to bail it out, handy for that too. It was truly one of those tools that I wished I had bought one 20 years prior.
 
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thammel

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I find that using the extractor I get more oil out than my using the drain plug. I used it this past weekend to get the oil out of my stand by generator. Great tool to own.
 
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djbmw

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I use an extractor for half of our vehicles, including a boat (it wont work on the other half). It certainly reduces the effort in getting the vehicles up on the hoist and making my clean oil catch pans dirty... but at the expense of time. The manual extractors take FOREVER to suction off all oil when using the smaller tubes (which are usually the only tubes that fit anyway). Im talking about 20 to 30 min to clean out some of the oil sumps that I have (vs 5 min of gravity drain out the bottom). Still... its cleaner and easier.
 
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Sumboodie

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Dan in Pasadena said:
What am I missing here, guys? Why not just crawl under and loosen the drain plug? It's easy and it's FREE!
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Not always a drain plug, or it's seized.

Used mine to change the hydraulic oil in my forklift. Drain plug probably hadn't been removed in 30 years and I wasn't going to break it off trying beyond a 3ft adjustable wrench and my 2 feet pushing.

Have used it to drain coolant tanks, fuel tanks, master cylinders, power steering tanks.

Lot of lawn mowers the only way to drain the oil is out the fill pipe. Or even if it has a plug, it's so corroded as it's under the deck.
 
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hobie18

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Ease and cleanliness. And avoiding stripping the oil pan. Depending where the filter is, you may still have to remove shields and dirty a container. But oil transfer is easier.
I do a lot of changes for many different cars. If this helps, I want one. And my back is bad enough that many times I do not have the strength to break the oil plug.
 
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teknikfrog

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Big fan of my mityvac. Around 12 pumps or so. And then I flip the valve and pump the oil right back out into a spare windshield sauce container to take to autozone.
 
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teknikfrog

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niget2002 said:
You must have missed the discussion about cars these days having an underpan that you have to remove a dozen screws in order to drain the pan. :)
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Hmm let's see:
> Drive front of car onto 2x4s
> Slide jack under, now that it just barely fits. get myself filthy lying down and throwing my back out with one hand on the jack and another on the flashlight to get it onto the single center jack point
> Jack car up into air
> Spend several minutes aligning jack stands and re-positioning them
> Get filthy a second time while sliding drain pain and socket/ratchet/extension into place
> Get filthy a third and fourth time finding the right combo of underbody panel fastener tools
> Undo bolt. Get filthy a fifth time as hot oil runs down my arms
> Waste some rags cleaning up the mess
> Drive to store because I forgot a crush washer
> Get filthy again only to realize I forgot my torque wrench
> Finally, torque drain pan bolt into place
> Go up top and R&R nicely accessible filter, fill oil
> Run car to test, drop it, and drive off 2x4

- OR -

> Insert vacuum into dipstick
> Pump 12 times to remove oil
> Go up top and R&R nicely accessible filter, fill oil
> Run car to test

Hmm this really gets the noggin joggin which do you folks think is easier?
 
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niget2002

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teknikfrog said:
Hmm let's see:
> Drive front of car onto 2x4s
> Slide jack under, now that it just barely fits. get myself filthy lying down and throwing my back out with one hand on the jack and another on the flashlight to get it onto the single center jack point
> Jack car up into air
> Spend several minutes aligning jack stands and re-positioning them
> Get filthy a second time while sliding drain pain and socket/ratchet/extension into place
> Get filthy a third and fourth time finding the right combo of underbody panel fastener tools
> Undo bolt. Get filthy a fifth time as hot oil runs down my arms
> Waste some rags cleaning up the mess
> Drive to store because I forgot a crush washer
> Get filthy again only to realize I forgot my torque wrench
> Finally, torque drain pan bolt into place
> Go up top and R&R nicely accessible filter, fill oil
> Run car to test, drop it, and drive off 2x4

- OR -

> Insert vacuum into dipstick
> Pump 12 times to remove oil
> Go up top and R&R nicely accessible filter, fill oil
> Run car to test

Hmm this really gets the noggin joggin which do you folks think is easier?
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I won't lie. Sometimes I wish I had a pump for the wife's car since her filter is up top.

But, It takes so long for the 3 gallons of oil to drain out of my truck that I usually have time to completely replace the filter, through the wheel well no less. But then again, the truck sits high enough I don't need ramps either.

The wife did come check on me one time. It was a nice cool spring morning and apparently I had fallen asleep under the truck while waiting for the pan to finish draining.
 
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teknikfrog

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Cozy.

I can change the oil in my 4runner without any lifting. Still prefer the vacuum.

"Oh you might miss some sludge"

I really don't think so. And I find it really hard to care tbh. Maybe best practice is a real oil change every 5th one or something. Maybe.
 
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johninct

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I bought an oil extractor off Amazon, I forget the brand, it could be Mitivac. What I found is once a vacuum is extablished drawing out the oil, my air compressor doesn't need to provide much air.
 
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