![]() The main hose (which is flexible) is 5′ in length. Plus, it guarantees that it’s leak-proof, which is always handy when you’re dealing with oils. There’s very little to break or go wrong. ![]() The tank itself is made from a one-piece construction. Expect that to cut in around 5 liters, and that’s definitely pushing the limit. There is an overflow valve that prevents it from getting too full. The extractor should be enough for a regular vehicle, but it would be worth checking the amount of oil your car takes before ordering it The OEMTOOLS 24389 Manual Fluid Extractor is the smallest capacity in the list. If you need to transport it anywhere (let’s say for dumping), you either need to leave the oil pipe attached (which can drip) or find some other way of blanking it off. Once you remove the fluid tube and adapter, there’s nothing to seal the open hole. There is an overfill valve fitted, and it will stop sucking the fluid before it gets too full. So, hot oil isn’t too much of a problem either. It can cope with temperatures up to 200 degrees Fahrenheit. That makes it virtually indestructible under normal use. The kit itself comes with three different hoses – the main hose is 7.8 mm ID, and two further hoses measure up at 5.3 mm ID and 4.0 mm ID, all hoses are one meter long, and to make things easier, they really could do with being that bit longer. EWK says that it can empty an average-sized oil pan within around 5 minutes. It shifts around 1.6 liters of fluid a minute. It makes life much easier and gives a relatively fast extraction speed. The neat thing about the EWK extractor is that it can be used with the built-in pump or connected to a compressor. That should be big enough for all but the biggest of engines. The EWK is slightly smaller in volume than the Mityvac. They’re all made from nylon, giving them a little rigidity, while still remaining flexible enough to be manipulated. There are three different tubes supplied. Simply push the release ring to remove them. All the tubes fit the unit with a quick coupling. ![]() I’ve physically had to pry it out in the past. I’ve found that if you leave the stopper in for any length of time, it can be most difficult to remove when you want to. And there is a locking mechanism in the form of a cam-lock. Of course, you don’t want the stopper to just fall out. The rubber stopper is what I’ve found an issue with. Although there is a built-in pouring spout, it’s blanked off with a rubber stopper. This also helps with emptying the evacuator. It’s literally just the push of the directional valve and it’s ready to go. You don’t have to mess about or convert anything. This makes it an excellent dispenser for oils or transmission fluids. That means that fluid can be evacuated, or pumped from the tank. The beauty of the Mityvac is that it’s bi-directional. It can be used for pretty much any fluid. So there’s always a little extra space in reserve. The Mity holds 8.8 liters of fluid (2.3 gallons) but the overfill shutoff valve cuts in at 8 liters. If we’re keeping to the automotive theme, then most fluids will work aside from perhaps gear oil like you’d find in a differential. ![]() While they’re called ‘oil extractors’, the reality is that they can be used for pretty much any fluid removal, if the fluid isn’t too viscous. It’s doubtful that you can top up or refill a transmission without a way of pumping the fluid. You can pump the fluid through the filler hole (which 99% of the time has to be done from underneath). If they’re fitted with a reversible valve, it could mean that they can dispense fluids as well as suck them up.įor example, let’s say you need to change the transmission oil in a manual transmission. Whether it’s water, oil, or transmission fluid, the tank acts as a reservoir to collect the fluid. The tank is depressurized, and the hose going into the tank starts sucking. You could almost see it like a vacuum cleaner for oil. Essentially, all you’re doing is creating a vacuum. So just why would you want to use an oil extractor? What benefits do they have over other methods? How Does an Oil Extractor Work? In fact, one of these oil extractors also comes with a brake bleeding accessory. They’re doing a very similar job: sucking fluid from a component. They’re very similar to the brake bleeders that we looked at a while back. If you read these reviews regularly, some of these items may look familiar. Oil extractors make that job so much easier and cleaner. And the most difficult part is removing the old oil. Paying a couple of hundred dollars for an oil change doesn’t sit well with me.
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